remote write access to repository not granted github actions

Making statements based on opinion; back them up with references or personal experience. Workflow code is aimed to approve the PR using the GitHub API. Personal access tokens are an alternative to using passwords for authentication when using the GitHub API. In all cases, limiting the impact in the event that credentials used to access Azure DevOps or GitHub are compromised is not enough. Like in Azure DevOps, workflows are described by a YAML file and can be triggered when a specific action is performed, such as a push on a repository branch. GIT integration in Studio requires the Microsoft Visual C++ Redistributable for Visual Studio 2015, 2017, 2019, and 2022. That token should start with ghp_: it should then authenticate you properly, allowing you to clone the repository, and push back to it. Lets see. If you're having trouble cloning a repository, check these common errors. And, for testing, chose an expiration date "No Expiration", to be sure it remains valid. If it is a private repository that is accessed using the classic Personal Access Token (PAT) try resetting the fetch and push url for the remote repo by running: git remote set-url origin https://<classic PAT >@github.com/organization_name/repo_name this problem could be addressed by using the GraphQL API, which could be the subject of a future pull request. If you choose Allow OWNER, and select non-OWNER, actions and reusable workflows, actions and reusable workflows within your organization are allowed, and there are additional options for allowing other specific actions and reusable workflows. Actions and reusable workflows in your private repositories can be shared with other private repositories owned by the same user or organization. I do not see where is the option to create credentials. This can be explained by the difficulty to maintain and deploy multiple projects at the same time. During this action, the pipeline will use the GitHub credentials of the associated service connection to authenticate to GitHub. (select all read-write fields where possible) , do the same for (Account permissions joseprzgonzalez (joseprzgonzalez) October 29, 2021, 1:24pm 3 rahulsharma: Give feedback. Would the reflected sun's radiation melt ice in LEO? Therefore, the secrets exposed need to be revoked and changed in every resource using them, which can be tedious. Jordan's line about intimate parties in The Great Gatsby? I recently found a new method that allows secure code analysis mechanisms to be bypassed and even worse ab NPM might be executing malicious code in your CI without your knowledge. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. Connect and share knowledge within a single location that is structured and easy to search. In fact, they are only accessible from the execution context of a pipeline. ). To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Well occasionally send you account related emails. All these protections are configured by an administrator. Therefore, a full review of all tokens and user permissions should be performed to only give access to resources that are needed by applying the principle of least privilege. Therefore, they can only be consumed from a task within a pipeline. These systems help teams and developers by enforcing automation when building, testing and deploying applications. From there, we exploited our access to extract secrets stored at different places in projects, which allowed us to move laterally into Azure RM (Resource Manager) and GitHub. By default, when you create a new repository in your personal account, GITHUB_TOKEN only has read access for the contents and packages scopes. This behavior can be problematic for Red Team assessments because it leaves traces. 3 Jonno_FTW 7 mo. Most likely your password is cached to your user.email and your token isn't being used instead. If a policy is disabled for an organization, it cannot be enabled for a repository. There are a few solutions to this error, depending on the cause. Running gh auth login will let you setup your credentials using your token instead of your old password. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. Suspicious referee report, are "suggested citations" from a paper mill? It is used to connect to GitHub to push, pull or interact with the GitHub API. We will use this example to explain how this can be configured but also abused. Turns out for whatever reason you have to use ssh and cannot use PAT and https. We recommend you to use this new setting to disallow malicious actors from bypassing branch protection rules by approving their own pull requests. . The following YAML file can be used to perform the extraction: The addSpnToEnvironment option is used to make the service principal credentials available in the environment of the pipeline agent. Click Deploy HEAD Commit to deploy your changes. For sensitive branches (such as the default one or any other branch wed want to protect), we can set rules to limit an account with Write permissions to directly push code to it by requiring the user to create a pull request. Powered by Discourse, best viewed with JavaScript enabled, Push problems - not write access to the repository. Sometimes, users realize this is a bad practice and decide to push a commit removing these secrets. Exploiting a remote heap overflow with a custom TCP stack, Building a io_uring based network scanner in Rust, https://docs.github.com/en/authentication/keeping-your-account-and-data, https://github.com/trufflesecurity/trufflehog, https://www.devjev.nl/posts/2022/i-am-in-your-pipeline-reading-all-your, https://pascalnaber.wordpress.com/2020/01/04/backdoor-in-azure-devops-t, https://docs.github.com/en/developers/apps/building-oauth-apps/scopes-f, https://learn.microsoft.com/en-us/azure/devops/release-notes/roadmap/20, https://learn.microsoft.com/en-us/azure/devops/organizations/audit/azur, https://learn.microsoft.com/en-us/azure/architecture/example-scenario/d, https://docs.github.com/en/enterprise-cloud@latest/admin/monitoring-act, https://github.blog/2022-10-13-introducing-github-advanced-security-sie. It might look simple to extract secrets from a GitHub repository. Try running git config --list and see what's returned. If you're not using GitHub Actions, disable it for the entire organization or for specific repositories where it's not required. The token has write permissions to a number of API endpoints except in the case of pull requests from forks which are always read. See something that's wrong or unclear? Ah, yes, that was the underlying reason. For example, the actions/checkout action would not be accessible. If we remove it before the branch deletion, when the branch deletion operation occurs, it will match the first rule, thus preventing the branch deletion. For more information, see "Allowing select actions and reusable workflows to run.". Make sure that you have access to the repository in one of these ways: In rare circumstances, you may not have the proper SSH access to a repository. For now, when the tool creates a new branch, it is not able to know if there is any protection applying to the branch before pushing it to the remote repository. GitHub Classroom now offers a pre-made GitHub starter course (Public Beta), https://support.github.com/contact/feedback?category=education, Sunsetting API Authentication via Query Parameters, and the OAuth Applications API, Read/write for all scopes (current default), May 5, 2021: For 12 hours starting at 14:00 UTC, June 9, 2021: For 24 hours starting at 14:00 UTC, August 11, 2021: For 48 hours starting at 14:00 UTC. Making statements based on opinion; back them up with references or personal experience. Is there a way to only permit open-source mods for my video game to stop plagiarism or at least enforce proper attribution? Please request access or change your credentials. This code can also go down the CI/CD pipeline, run unreviewed in the CI, or find itself in the companys production environment. When you allow actions and reusable workflows from only in your organization, the policy blocks all access to actions authored by GitHub. Also, do you confirm you are the owner or a contributor to this repo? If indeed the Personal access token above is authorized to access that repo you should now be able to do all functions from before such as cloning, pushing and pulling. Under "Actions permissions", select an option. GitHub Docs: Using a token on the command line, @chris-c-thomas yep, edited url. Push the modification, which triggers the GitHub workflow and runs it. Our research has exposed a flaw that leverages GitHub Actions to bypass protected branch restrictions reliant on the multiple reviews control. However, if the GitHub personal token provided to Nord Stream belongs to an administrator, it is possible to bypass all those limitations by modifying them. Launching the CI/CD and R Collectives and community editing features for Where to store my Git personal access token? For example, it can be set to repo:1yGUFNkFUT8VmEfjztRNjgrfH3AgzV/test_oidc2:environment:TEST_ENV:ref:refs/heads/test-branch. via Https Clone. When you choose Allow OWNER, and select non-OWNER, actions and reusable workflows, local actions and reusable workflows are allowed, and there are additional options for allowing other specific actions and reusable workflows: Allow actions created by GitHub: You can allow all actions created by GitHub to be used by workflows. These new settings allow you to follow a principle of least privilege in your workflows. The number of distinct words in a sentence. This means that any organization that was created before this setting was introduced is still vulnerable, unless changing the default setting. So, what does a typical GitHub organization look like?It generally has: Practically, this means an attacker that hijacks a user account and wants to push code to a protected branch, can simply push their malicious code to a new remote branch, along with a workflow with the following content: Then, the attacker creates a pull request, with the intent to merge their malicious code to a protected branch. To extract the secure files, Nord Stream performs the same actions as for the secrets in variable groups, except for the generation of the YAML pipeline. But if this task is able to use those credentials, this means it is possible to exfiltrate them6. However, to prevent bad actors from performing these actions, multiple protections can easily be enabled: Branch protection rules are rules that can be applied to one or multiple branches. If you cannot see the "Settings" tab, select the dropdown menu, then click Settings. You can check this by typing You can always download the latest version on the Git website. I'm part of an organization, and through the UI I can create a private repository inside that organization. One such tool is GitHub Actions GitHubs CI service which is used to build, test, and deploy GitHub code by building and running workflows from development to production systems. Try asking your friend to give that. In February 2020, to strengthen the security of our API, we deprecated API Authentication via Query Parameters and the OAuth Application API to avoid unintentional logging of in-transit access tokens. I have no idea how this setting got set differently on the repos as I haven't touched it. Submit a pull request. The text was updated successfully, but these errors were encountered: I think you do not have write permissions to the upstream repository os-climate/corporate_data_pipeline. A pipeline is a configurable and automated process that will run one or more tasks. Why was the nose gear of Concorde located so far aft? For the moment, the tool can only generate OIDC access tokens for Azure. Select the ' Advanced ' tab. Since they can be used to deploy applications, they often need a lot of permissions, which turned out to be very interesting for us. Is it ethical to cite a paper without fully understanding the math/methods, if the math is not relevant to why I am citing it? Maybe that's different between the repositories? There are a few common errors when using HTTPS with Git. Finally, the deployment branch protection restricts which branches can deploy to a specific environment using branch name patterns. I tried, it didn't help me. That's why I had asked if when you originally cloned the repository you entered your token like this here? Try and recreate a PAT(Personal Access Token) with, as scope, the repo ones. Thanks for contributing an answer to Stack Overflow! Each token can only access specific repositories. Learn more about setting the token permissions, For questions, visit the GitHub Actions community, To see whats next for Actions, visit our public roadmap. If I am the owner of the repo, why do I not have write access? GitHub has evolved significantly since its inception and continues to add features, products, and tools for code management and shipment. However, in order to integrate, deliver and deploy, these systems need credentials to seamlessly interact with other environments, like cloud ones. Detecting this error is simple; Git will warn you when you try to clone the repository: To fix the error, you'll need to be an administrator of the repository on GitHub.com. Storing long-lived secrets in CI/CD systems presents multiple issues. For more information, see "About OAuth App access restrictions.". Before attempting to retrieve secrets stored through secure features of the CI/CD systems, it is worth checking whether secrets are leaking in cleartext at the repository level. But it says the above error. This can be explained by the difficulty to maintain and deploy multiple projects at the same time. Thus, the 403. A newly discovered security flaw in GitHub allows leveraging GitHub Actions to bypass the required reviews mechanism and push unreviewed code to a protected branch, potentially allowing malicious code to be used by other users or flow down the pipeline to production. For more information, see Adding a new SSH key to your GitHub account. In the end, it allowed us to compromise our customer's infrastructure by obtaining a lot of credentials. Collection of actionable measures across Prevention, Mitigation, Detection and assessment for coping w Cider Security has been acquired by Palo Alto Networks. Any permission that is absent from the list will be set to none. Monitoring deployment logs and run logs for unusual activity can be a good starting point. Sign in If you are trying to clone a private repository but do not have permission to view the repository, you will receive this error. For public repositories: you can change this retention period to anywhere between 1 day or 90 days. For example, an application deployment can be triggered after a developer pushes a new version of the code to a repository. On Windows, I ended up on this well known issue: this works only if you have an ssh key associated with your github account, That doesn't explain why you need write access just to clone a repository, As its currently written, your answer is unclear. Another interesting kind of service connections is the GitHub one. A pipeline is bounded to an Azure DevOps repository, but a repository can have multiple pipelines, each of which can perform a different set of tasks. Click Update from Remote to pull changes from the remote repository. The general idea is to allow authorized pipelines or workflows to get short-lived access tokens directly from a cloud provider, without involving any static secrets. You can update your cached credentials to your token by following this doc. I have do my login using github credential, then I dont know what kind of credentials it wants to change. The exception to this behavior is where an admin user has selected the Send write tokens to workflows from pull requests option in the GitHub Actions settings. Workflow is granted with Write permissions on the pull requests API endpoint. Their only purpose is to limit the user rights for a given token. I belive this will help. The required reviewers protection specifies who can approve the deployment if the associated environment is accessed. Generate the workflow file based on secrets to be extracted and write it to the. By default, GitHub Actions is enabled on all repositories and organizations. Going on repository -> setting -> Collaboration and team, I can see Using expiration date "never" is not really possible, last time I did this. It is based on the concept of workflows, which automate the execution of code when an event happens. Can the Spiritual Weapon spell be used as cover? You can use the * wildcard character to match patterns. Azure DevOps also offers some similar protections. This topic was automatically closed 3 days after the last reply. fatal: unable to access, akin to a password (but can easily be revoked/regenerated), https://github.com/settings/tokens?type=beta, The open-source game engine youve been waiting for: Godot (Ep. See something that's wrong or unclear? However, there is still one artifact left. However mine were already set and I still have the error, select a project goto Settings > Actions > General , can find there "Workflow permissions". Have a question about this project? A pipeline is usually defined by a YAML file and can be automatically triggered when a specific action is performed, like a push to a repository branch, or manually triggered. For feedback visit https://support.github.com/contact/feedback?category=education. So does a compromise of a single user account mean the attacker can push code down the pipeline without restrictions? But if I clone this new repository I get "fatal: unable to access". While a pipeline is bounded to a repository, it can access secrets defined at the project level. Hope this helps! Regarding your error, are you using GIT login credentials? GitHub offers similar features for developers with pipelines and secrets management, so we repeated this operation to get even more secrets and fully compromise our customer's GitHub environment. To update the remote on an existing repository, see "Managing remote repositories". #122 Closed Thanks for contributing an answer to Stack Overflow! Authorization is based on trust relationships configured on the cloud provider's side and being conditioned by the origin of the pipeline or workflow. As this is a non-standard OIDC configuration, we need to provide GitHub Actions with the format of the OIDC tokens to generate when running on the1yGUFNkFUT8VmEfjztRNjgrfH3AgzV/test_oidc2 repository. just ran git config --list, name and email are synced correct. Again, this problem could be addressed by using the GraphQL API, which could be the subject of a future pull request (maybe yours? Here is a diagram from the kubernetes community that provides a clear depiction of the git workflow. However, certain hardening settings can provide more granular control over access to repositories and thus to GitHub Actions secrets (see the, we need to provide GitHub Actions with the format of the OIDC tokens to generate when running on the, For example, it is possible to ask it to include the. A service connection holds credentials for an identity to a remote service. Typos happen, and repository names are case-sensitive. Please, I guess this means that the owner of the repository has to provide a fine-grained token to any collaborators but when using a classic token, that is not needed, it works just with, remote: Write access to repository not granted. Let's imagine that there is a basic branch protection rule applying to branches matching dev*. Duress at instant speed in response to Counterspell, Click on your Profile Icon (top-right on github website), Pick an expiration date from the menu or a custom one, From the menu at right select "Access> Read and Write", Input token description e.g. there doesn't seem to be a non-interactive way to check if you have write access, even if you do have a clone of the repo. But doing this is generally not enough either, especially if clones or forks of the affected repository exist2. Note: a token is akin to a password (but can easily be revoked/regenerated), so you should not use any other tokens but your own. Please use a personal access token instead.". You'll want to follow them carefully so your config is set to use your token for the repos that require it. performs the same actions as for the secrets in variable groups, except for the generation of the YAML pipeline. however for some of my remotes, this opens a password prompt & hangs indefinitely. Checking the options that GIThub give when I push on clone repository. Change color of a paragraph containing aligned equations. Organization admins can now disallow GitHub Actions from approving pull requests. Anyone with write access to a repository can modify the permissions granted to the GITHUB_TOKEN, adding or removing access as required, by editing the permissions key in the workflow file. Alternatively, you can use the REST API to set, or get details of the level of access. Why do we kill some animals but not others? Its content can finally be exfiltrated to the pipeline execution output. Note that there is no matching branch for the moment. It is possible to list them with our Python tool, Nord Stream, which makes calls to Azure DevOps API endpoints under the hood: To extract them5, the following YAML file can be used: Here, we specify that we want to use the CICD secrets2 variable group, thus exposing the secrets it stores to our environment. This article aims at describing the inner mechanisms of CI/CD pipeline secrets extraction by going through multiple examples on Azure DevOps and GitHub. On an organization repository, anyone can use the available secrets if they have the Write role or better. When GitHub has verified the creator of the action as a partner organization, the badge is displayed next to the action in GitHub Marketplace. Write access to the repository are not sufficient to bypass them. I have included your comment in the answer for more visibility. ), How to push to organisation's repo on github, Remote origin already exists on 'git push' to a new repository, Remove directory from remote repository after adding them to .gitignore, GitHub "fatal: remote origin already exists", Git, fatal: The remote end hung up unexpectedly, gpg failed to sign the data fatal: failed to write commit object [Git 2.10.0], Unable to push remote repository to my repo, Message "Support for password authentication was removed. The repository you're trying to fetch must exist on GitHub.com, and the URL is case-sensitive. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. I also tried with my own token but it says the same. For example, you can have one pipeline to run tests on a pull request and email the project owner if all tests are successful, another pipeline to deploy your application at regular intervals, etc. During a Red Team engagement, we somehow managed to leak a PAT (personal access token) used by our target to authenticate to Azure DevOps. Github Docs: using a token on the multiple reviews control integration Studio... Pr using the GitHub API only be consumed from a task within single! Now disallow GitHub actions is enabled on all repositories and organizations let 's imagine that there is a branch... Enabled for a given token, for testing, chose an expiration date `` no expiration '', select dropdown... Some of my remotes, this means that any organization that was the reason! Are `` suggested citations '' from a GitHub repository be tedious connect and share knowledge within a pipeline to! Bad practice and decide to push, pull or interact with the API... Ci, or find itself in the Great Gatsby must exist on GitHub.com, and tools for management. Animals but not others be configured but also abused and R Collectives and community features! Since its inception and continues to add features, products, and 2022 a task a! Actions authored by GitHub to anywhere between 1 day or 90 days GitHub.... Still vulnerable, unless changing the default setting can create a private inside... By obtaining a lot of credentials it wants to change let you setup your credentials your! Gear of Concorde located so far aft are synced correct and deploy multiple projects at project... Account to open an issue and contact its maintainers and the community with other private repositories can triggered! The same time the REST API to set, or find itself in the CI, get... A single location that is absent from the list will be set to none OIDC! You confirm remote write access to repository not granted github actions are the owner or a contributor to this repo least enforce attribution! Ssh and can not use PAT and https the execution context of a single user account mean the attacker push! Way to only permit open-source mods for my video game to stop plagiarism or at least proper..., for testing, chose an expiration date `` no expiration '', select an option repo:1yGUFNkFUT8VmEfjztRNjgrfH3AgzV/test_oidc2. Or find itself in the CI, or find itself in the event that credentials used to access DevOps... Be set to none chose an expiration date `` no expiration '', select an option Concorde located far! Specific environment using branch name patterns. `` the user rights for a given token Post your answer, can... Private repositories owned by the difficulty to maintain and deploy multiple projects at the project level can now GitHub. Your error, depending on the command line, @ chris-c-thomas yep, edited URL line about parties. 'S why I had asked if when you allow actions and reusable workflows in your private can... Help teams and developers by enforcing automation when building, testing and deploying applications yes, that was before! Closed 3 days after the last reply a flaw that leverages GitHub actions to bypass them chose expiration! Where to store my git personal access tokens for Azure comment in the event that credentials used to access DevOps... Exfiltrated to the repository you entered your token by following this doc triggers the GitHub API 're to... Turns out for whatever reason you have to use your token instead of your old password will use the workflow! Logs and run logs for unusual activity can be problematic for Red assessments..., why do we kill some animals but not others GitHub give when I push on clone.. Workflow file based on opinion ; back them up with references or personal experience it might simple! Password is cached to your GitHub account but if this task is able to use those credentials this. & # x27 ; Advanced & # x27 ; s different between the repositories that was the underlying reason find. To only permit open-source mods for my video game to stop plagiarism or least! 2015, 2017, 2019, and tools for code management and.... In variable groups, except for the moment remote repository way to permit... The repositories available secrets if they have the write role or better a policy is disabled for organization... ; t touched it so far aft prompt & amp ; hangs indefinitely I the. Owner or a contributor to this repo event that credentials used to connect to GitHub this... Be triggered after a developer pushes a new ssh key to your GitHub account to open issue. Assessments because it leaves traces a new ssh key to your token by this. The answer for more information, see `` about OAuth App access restrictions. remote write access to repository not granted github actions there is a diagram the. So does a compromise of a pipeline on trust relationships configured remote write access to repository not granted github actions the cause, best viewed with JavaScript,. Answer to Stack Overflow a policy is disabled for an identity to a,. Authenticate to GitHub their only purpose is to limit the user rights for a repository those,! Amp ; hangs indefinitely concept of workflows, which triggers the GitHub workflow and runs it of code when event! And your token by following this doc following this doc get details of the workflow. Up for a free GitHub account the community dont know what kind of connections... In all cases, limiting the impact in the case of pull from! Deploying applications be consumed from a paper mill there is no matching branch for the repos as I &. Access secrets defined at the same paper mill using https with git and easy to.... To follow a principle remote write access to repository not granted github actions least privilege in your workflows animals but others! Which automate the execution of code when an event happens it is possible to exfiltrate them6 instead. Us to compromise our customer 's infrastructure by obtaining a lot of credentials was is. Your workflows multiple reviews control need to be sure it remains valid version the! But not others projects at the same protection specifies who can approve the deployment branch protection applying. Github Docs: using a token on the command line, @ chris-c-thomas yep, URL! Setting to disallow malicious actors from bypassing branch protection restricts which branches can deploy to a specific environment using name... Token but it says the same user or organization the community the difficulty maintain... With other private repositories owned by the origin of the git website can the Weapon... On the git workflow my remotes, this means it is used to access Azure DevOps GitHub! The last reply code is aimed to approve the deployment branch protection restricts branches. Actions/Checkout action would not be accessible and cookie policy privilege in your.. To open an issue and contact its maintainers and the community kill some animals but not others, name email. Api endpoint create a private repository inside that organization example, the pipeline will use example. Can now disallow GitHub actions to bypass them s different between the repositories game to plagiarism! In Studio requires the Microsoft Visual C++ Redistributable for Visual Studio 2015 2017... An remote write access to repository not granted github actions to using passwords for authentication when using https with git except in the answer for more information see! And reusable workflows in your workflows single location that is structured and easy to search after a pushes... But if I clone this new setting to disallow malicious actors from bypassing branch protection restricts which can!, 2019, and the URL is case-sensitive browse other questions tagged, developers. Specific environment using branch name patterns protection rule applying to branches matching dev * old password to. After a developer pushes a new ssh key to your GitHub account to open an issue and contact its and... Information, see `` Allowing select actions and reusable workflows in your private repositories by. Match patterns write it to the pipeline without restrictions share private knowledge coworkers. Are always read code down the CI/CD and R Collectives and community editing features for Where to my. Credentials, this means that any organization that was created before this setting got set on... What 's returned following this doc melt ice in LEO you are the owner a. In all cases, limiting the impact in the event that credentials used access. Remote service UI I can create a private repository inside that organization be sure it remains valid for. Restrictions reliant on the multiple reviews control `` suggested citations '' from a GitHub.! Or workflow following this doc storing long-lived secrets in variable groups, except for the.! Possible to exfiltrate them6 GitHub API this article aims at describing the inner mechanisms of pipeline. Authentication when using the GitHub API ice in LEO is generally not enough either especially... Or personal experience associated service connection holds credentials for an identity to a number of API endpoints except the. When building, testing and deploying applications underlying reason of remote write access to repository not granted github actions, which automate execution. To push a commit removing these secrets private knowledge with coworkers, Reach developers & technologists share knowledge. Easy to search credentials used to access Azure DevOps or GitHub are compromised is not either. Must exist on GitHub.com, and tools for code management and shipment while pipeline! Actions to bypass them own token but it says the same the multiple reviews.... Where developers & technologists worldwide to this error, depending on the git website select... Be shared with other private repositories can be triggered after a developer pushes a ssh. Branch name patterns the pipeline without restrictions Visual Studio 2015, 2017 2019... Tokens are an alternative to using passwords for authentication when using the one... Github credentials of the git workflow the actions/checkout action would not be enabled for a free account! Command line, @ chris-c-thomas yep, edited URL: environment: TEST_ENV: ref:....

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