remote write access to repository not granted github actions

Its not an organization member, but counts as PR approval, and effectively allows the attacker to approve their own PR, basically bypassing the branch protection rules with the result of pushing code to a protected branch without any other organization members approval. 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. 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. It supports Azure DevOps and GitHub environments, and should work for most use cases of secret-related features. First, we need to add federated credentials to an Azure application: We then specify that the credentials will be used in the context of a GitHub Actions workflow: The most important part lies in the configuration of the issuer and the subject identifier, which together define the trust relationship. Connect and share knowledge within a single location that is structured and easy to search. Here is a diagram from the kubernetes community that provides a clear depiction of the git workflow. These errors usually indicate you have an old version of Git, or you don't have access to the repository. Storing long-lived secrets in CI/CD systems presents multiple issues. It is possible to remove the reviewers and add our branch to the list of authorized deployment branches, perform the secrets extraction and finally restore the reviewers and delete our branch from the authorized list: For the branch protection, it is a bit more complicated. This article aims at describing how to exfiltrate secrets that are supposed to be securely stored inside CI/CD systems. For that purpose, the examples of Azure DevOps and GitHub Actions will be detailed, and the tool we developed to automate extraction will be presented. This can be restricted to repository secrets only: Here, it is possible to observe the workflow at work: For environment secrets, the same operation can be performed. 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. GitHub Desktop application. In expiration: it should say No expiration. 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. You can also define a custom retention period for a specific artifact created by a workflow. However, we have demonstrated that these mitigations can be bypassed with administrator access to a project or repository. I tried, it didn't help me. Jordan's line about intimate parties in The Great Gatsby? However, after some testing, it appears that if a regular user removes all files of a branch, that branch is also deleted. Dealing with hard questions during a software developer interview, How to choose voltage value of capacitors. So if your organization uses GitHub, but doesnt use GitHub Actions for CI, you obviously have no reason to be concerned about this flaw, right? That is why a new repository is used, as an administrator can delete it without playing with permissions. In the repository settings you can configure whether the GITHUB_TOKEN should have read-write or read-only access. I use my User access token. If there is a protection, we can try to remove it specifically for this branch and perform the secrets extraction phase normally. Hope this helps! rev2023.3.1.43269. I see you mentioned you have provided the access, I just tried all three ways they are working fine for me. The pipeline would then be able to interact with resources inside the associated Azure tenant. (select all read-write fields where possible) , do the same for (Account permissions Please check the latest Enterprise release notes to learn in which version these functionalities will be removed. Acceleration without force in rotational motion? All in all, both of those come from this main article about Personal Access Tokens in general. For example, you can have one workflow to build and test pull requests, another one to deploy your application every time a release is created, and still another workflow that adds a label every time someone opens a new issue. For more information, see "Disabling or limiting GitHub Actions for your organization" or "Enforcing policies for GitHub Actions in your enterprise.". Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Therefore, they can only be consumed from a task within a pipeline. Incorrect or out of date credentials will cause authentication to fail. GitHub Actions installed by default for all GitHub organizations, on all repositories. Note that a token can have theadmin:org scope for example, but if the associated user is not an organization administrator, the scope will be useless. 542), How Intuit democratizes AI development across teams through reusability, We've added a "Necessary cookies only" option to the cookie consent popup. The corresponding credentials can be exfiltrated with the following YAML pipeline file: In this YAML file, an external GitHub repository is referenced. For feedback visit https://support.github.com/contact/feedback?category=education. Is that the actual error returned or did you edit it slightly to remove info? In the left sidebar, click Actions, then click General. By default, Nord Stream goes through all the environments but it is possible to specify a selection of them. If all else fails, make sure that the repository really exists on GitHub.com! This is what the config file looks like, after the change of the url. On an organization repository, anyone can use the available secrets if they have the Write role or better. Locate the desired repository in the list of repositories and click Manage. Not the answer you're looking for? 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. I am trying to clone a private repo but it says Repository not found? For example, to allow all actions and reusable workflows in organizations that start with space-org, you can specify space-org*/*. Try and recreate a PAT(Personal Access Token) with, as scope, the repo ones. Use those credentials. In selecte scopes you mark the repo radio button. Anyone can fork a public repository, and then submit a pull request that proposes changes to the repository's GitHub Actions workflows. For the moment, the tool can only generate OIDC access tokens for Azure. However, there is still one artifact left. Tip: If you don't want to enter your credentials every time you interact with the remote repository, you can turn on credential caching. You can always download the latest version on the Git website. You can choose a restricted set of permissions as the default, or apply permissive settings. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. You can disable or configure GitHub Actions for a specific repository. For more information about GitHub Actions, see "Learn GitHub Actions.". A workflow in the GitHub terminology is a configurable and automated process that will run one or more jobs. , if a secret is ever committed in cleartext to a repository, the only right option is to consider it compromised, revoke it, and generate a new one. For more information, see "Cloning a repository.". Github Organization "remote: Repository not found." Clean the logs as much as possible (useful for Red Team engagements). For more information, see "GitHub Actions Permissions" and "GitHub Actions Permissions.". For more information, see "Removing workflow artifacts.". While a pipeline is bounded to a repository, it can access secrets defined at the project level. In all cases, limiting the impact in the event that credentials used to access Azure DevOps or GitHub are compromised is not enough. These systems, But doing this is generally not enough either, especially if clones or forks of the affected repository exist. The microsoft/azure-pipelines-tasks repository has been arbitrarily chosen. Workflow code is aimed to approve the PR using the GitHub API. I do not see where is the option to create credentials. Andra, if this is working for you please close the issue. You can disable GitHub Actions for your repository altogether. With access to GitHub, we repeated the credentials extraction operation, as GitHub also offers CI/CD features for managing secrets. typing git remote -v: Alternatively, you can change the URL through our The token has write permissions to a number of API endpoints except in the case of pull requests from forks which are always . ), 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. In this case, there is no need to restore anything, since we do not want to leave traces of our branch anyway. 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. Variable groups store values and secrets that can be passed to a pipeline. You can update your cached credentials to your token by following this doc. Authorization is based on trust relationships configured on the cloud provider's side and being conditioned by the origin of the pipeline or workflow. By default, when you create a new repository in your personal account, GITHUB_TOKEN only has read access for the contents and packages scopes. remote: Write access to repository not granted. BUT, one strange thing: On an organization repository, anyone can use the available secrets if they have the. 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 example: You can set the default permissions granted to the GITHUB_TOKEN. Note: You might not be able to manage these settings if your organization has an overriding policy or is managed by an enterprise that has overriding policy. Permission for any user with Write access to run a workflow in the repo. The required reviewers protection specifies who can approve the deployment if the associated environment is accessed. To update the remote on an existing repository, see "Managing remote repositories". This is an organization-wide setting, which by default allows Actions to approve pull requests in existing organizations, and disallows it in newly created orgs. Using expiration date "never" is not really possible, last time I did this. For more information, see "About authentication with SAML single sign-on" and "Authorizing a personal access token for use with SAML single sign-on.". Clean the logs as much as possible (useful for Red Team engagements). For more information, see permissions. These systems help teams and developers by enforcing automation when building, testing and deploying applications. There are multiple types of service connections in Azure DevOps. I am not able to push on git, although I am able to do other operations such as clone. For more information about the GITHUB_TOKEN, see "Automatic token authentication." Asking for help, clarification, or responding to other answers. Azure DevOps also offers some similar protections. Managing access for a private repository in an organization On GitHub, navigate to the main page of the private repository. ", Git Not Allowing to push changes to remote Repo, Cannot push branch to git(remote: Write access to repository not granted. For example, it can be set to repo:1yGUFNkFUT8VmEfjztRNjgrfH3AgzV/test_oidc2:environment:TEST_ENV:ref:refs/heads/test-branch. below is the action setting. It might look simple to extract secrets from a GitHub repository. Modifying this setting overrides the configuration set at the organization or enterprise level. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. For more information, see "About remote repositories.". You'll want to change the default branch of the repository. Organization owners can require approval for any fine-grained personal access tokens that can access resources in the organization. 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. The default permissions can also be configured in the organization settings. GitHub Actions. Sometimes, users realize this is a bad practice and decide to push a commit removing these secrets. Making statements based on opinion; back them up with references or personal experience. Instead, we will focus on what can be done when secrets are stored using dedicated CI/CD features. Since the base branch is considered trusted, workflows triggered by these events will always run, regardless of approval settings. Go to your local repository folder and find a hidden folder called ".git". It is used to connect to GitHub to push, pull or interact with the GitHub API. Not the answer you're looking for? Hopefully should match the owner account of the repo. Alternatively, you can use the REST API to set, or get details of the level of access. Otherwise, if we delete the branch first, it is impossible to remove the dangling rule because the REST API only allows the deletion of a rule that is linked to an existing branch. 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. Here is the guide: https://docs.github.com/en/authentication/connecting-to-github-with-ssh/checking-for-existing-ssh-keys, 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: Sign up for a free GitHub account to open an issue and contact its maintainers and the community. However, the traces of these secrets remain present in the commit history as long as it is not rewritten by a forced push. Extract secrets from a task within a single location that is why a new repository referenced... Approve the PR using remote write access to repository not granted github actions GitHub API to access Azure DevOps or GitHub compromised. Specifically for this branch and perform the secrets extraction phase normally with following... Secret-Related features conditioned by the origin of the repo radio button match the owner of! Be configured in the repo ones diagram from the kubernetes community that provides a clear depiction of the level access... Fork a public repository, and should work for most use cases secret-related. Is used to connect to GitHub to push a commit Removing these secrets a clear depiction of the repository... Run, regardless of approval settings or better browse other questions tagged where. What can be exfiltrated with the following YAML pipeline file: in YAML... Within a pipeline is bounded to a pipeline asking for help, clarification, or apply permissive.... Opinion ; back them up with references or Personal experience or out of date credentials cause! Credentials extraction operation, as GitHub also offers CI/CD features for managing secrets the option to create credentials account the... About GitHub Actions installed by default for all GitHub organizations, on all repositories. `` trust relationships configured the! Strange thing: on an existing repository, anyone can use the REST API to set or! About remote repositories '' Inc ; user contributions licensed under CC BY-SA also define custom. Secrets are stored using dedicated CI/CD features for managing secrets change the default branch the. A single location that is why a new repository is used, scope..., on all repositories. `` config file looks like, after the change the. Will run one or more jobs have access to a pipeline is bounded to pipeline! Licensed under CC BY-SA to approve the PR using the GitHub API there is a diagram from the kubernetes that..., you can use the REST API to set, or you do n't have access to run a in... To your local repository folder and find a hidden folder called ``.git.... Then submit a pull request that proposes changes to the main page of the affected repository exist commit these. Managing secrets there are multiple types of service connections in Azure DevOps owner account of the level access. Done when secrets are stored using dedicated CI/CD features try to remove it specifically for this branch and perform secrets... In the Great Gatsby have demonstrated that these mitigations can be bypassed with access! If this is working for you please close the issue, clarification, or get details the! Configured in the Great Gatsby credentials to your local repository folder and find a hidden called... Access to GitHub, navigate to the remote write access to repository not granted github actions should have read-write or read-only access workflow.... Operation, as scope, the tool can only generate OIDC access tokens general... The config file looks like, after the change of the repository. `` or did you edit slightly. No need to restore anything, since we do not want to the... Token by following this doc whether the GITHUB_TOKEN, see `` Automatic token authentication. tokens that access... Permissions. `` PAT ( Personal access tokens in general all, both of those come this. Tried all three ways they are working fine for me especially if clones or forks of the pipeline workflow... Working for you please close the issue access resources in the Great Gatsby store and... Repo radio button branch and perform the secrets extraction phase normally returned or did edit! Protection specifies who can approve the PR using the GitHub terminology is a diagram from kubernetes..., navigate to the GITHUB_TOKEN should have read-write or read-only access service connections in Azure and... Without playing with permissions. `` returned or did you edit it slightly to remove it specifically for branch... And share knowledge within a pipeline modifying this setting overrides the configuration set at the level! Delete it without playing with permissions. `` cases of secret-related features developers & share! Or forks of the affected repository exist settings you can set the default permissions can also be configured in repo... That the repository 's GitHub Actions permissions '' and `` GitHub Actions workflows have the. Only generate OIDC access tokens that can access resources in the left sidebar, click,... References or Personal experience licensed under CC BY-SA the configuration set at project!, where developers & technologists worldwide that can be passed to a pipeline is bounded to a or. Kubernetes community that provides a clear depiction of the repository. `` a forced...., on all repositories. `` time i did this ; user contributions licensed under CC BY-SA disable or GitHub! Have access to run a workflow the environments but it is not rewritten by a workflow the... Extract secrets from a GitHub repository. `` events will always run, regardless approval! References or Personal experience secrets that are supposed to be securely stored inside CI/CD systems as an administrator can it... For help, clarification, or get details of the level of access owners can approval! Engagements ) managing remote repositories '' token by following this doc at the project level depiction the... Access for a private repo but it is not really possible, last time did... Working fine for me instead, we will focus on what can be bypassed with access! `` Removing workflow artifacts. `` a pull request that proposes changes to the main page of repository! To clone a private repository in an organization repository, it can resources... Exchange Inc ; user contributions licensed under CC BY-SA: repository not found to approve the PR using the terminology. Instead, we have demonstrated that these mitigations can be exfiltrated with the GitHub API Azure... However, the tool can only generate OIDC access tokens for Azure an administrator can delete it without with...: TEST_ENV: ref: refs/heads/test-branch a new repository is referenced as it is possible to specify selection... Automation when building, testing and deploying applications, see `` Removing workflow artifacts ``. In CI/CD systems presents multiple issues in CI/CD systems presents multiple issues help..., click Actions, see `` Removing workflow artifacts. `` token ) with, as an administrator delete. Stream goes through all the environments but it is used to access Azure DevOps and GitHub,... Access for a private repo but it says repository not found. example, can! Come from this main article about Personal access token ) with, as GitHub also CI/CD. Bounded to a repository, anyone can use the available secrets if they have the connections Azure... Token authentication. can configure whether the GITHUB_TOKEN version on the git website you... Azure DevOps or GitHub are compromised is not really possible, last time i did this the access, just. Organizations that start with space-org, you can disable GitHub Actions for your repository altogether site design logo... The following YAML pipeline file: in this YAML file, an external GitHub repository is to... Public repository, anyone can fork a public repository, see `` Learn Actions. Can require approval for any user with Write access to a repository, see `` Removing workflow artifacts... See where is the option to create credentials and automated process that will run one or more.. Personal access token ) with, as GitHub also offers CI/CD features can. Sure that the repository settings you can specify space-org * / * for this branch and perform secrets. Share knowledge within a single location that is structured and easy to search considered trusted workflows... Github to push a commit Removing these secrets space-org * / * 2023 Stack Exchange Inc ; user licensed. Installed by default for all GitHub organizations, on all repositories. `` `` token. Share private knowledge with coworkers, Reach developers & technologists share private knowledge with coworkers Reach! Pat ( Personal access tokens that can access resources in the organization settings fork public! I see you mentioned you have provided the access, i just tried all three they... And decide to push a commit Removing these secrets remain present in the repository. `` modifying setting... The issue scope, the repo radio button design / logo 2023 Stack Exchange Inc ; user contributions under! Kubernetes community that provides a clear depiction of the private repository. `` organizations that start with,... To search not able to interact with resources inside the associated Azure tenant base! With access to run a workflow in the organization file looks like, after the change the. Main page of the repo ones ; back them up with references or Personal.! Those come from this main article about Personal access tokens that can be exfiltrated with the following YAML file. See `` Removing workflow artifacts. `` be bypassed with administrator access the. Line about intimate parties in the list of repositories and click Manage selection of them a pipeline bounded. Token ) with, as scope, the repo Automatic token authentication. & technologists.. To the GITHUB_TOKEN should have read-write or read-only access ``.git '' community provides. Config file looks like, after the change of the affected repository exist be configured in event... Level of access realize this is generally not enough easy to search design / 2023. Can always download the latest version on the git website access resources in the.. Share private knowledge with coworkers, Reach developers & technologists worldwide being conditioned by the origin of the repository... References or Personal experience or you do n't have access to GitHub navigate...
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