critical
9.8
CWE
88
EPSS
0.043%
Advisory Published
Advisory Published
Updated

CVE-2025-21613: go-git has an Argument Injection via the URL field

First published: Mon Jan 06 2025(Updated: )

### Impact An argument injection vulnerability was discovered in `go-git` versions prior to `v5.13`. Successful exploitation of this vulnerability could allow an attacker to set arbitrary values to [git-upload-pack flags](https://git-scm.com/docs/git-upload-pack). This only happens when the `file` transport protocol is being used, as that is the only protocol that shells out to `git` binaries. ### Affected versions Users running versions of `go-git` from `v4` and above are recommended to upgrade to `v5.13` in order to mitigate this vulnerability. ### Workarounds In cases where a bump to the latest version of `go-git` is not possible, we recommend users to enforce restrict validation rules for values passed in the URL field. ## Credit Thanks to @vin01 for responsibly disclosing this vulnerability to us.

Credit: security-advisories@github.com security-advisories@github.com

Affected SoftwareAffected VersionHow to fix
go/github.com/go-git/go-git/v5<5.13.0
5.13.0
go/gopkg.in/src-d/go-git.v4>=4.0.0<=4.13.1
go-git<5.13.0

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2025-21613?

    The severity of CVE-2025-21613 has not been officially assigned but is considered significant due to the potential for argument injection in git-upload-pack.

  • How do I fix CVE-2025-21613?

    To fix CVE-2025-21613, upgrade to `go-git` version 5.13.0 or later.

  • What versions are affected by CVE-2025-21613?

    CVE-2025-21613 affects `go-git` versions before v5.13 and `gopkg.in/src-d/go-git.v4` versions from 4.0.0 to 4.13.1.

  • What happens if CVE-2025-21613 is exploited?

    If exploited, CVE-2025-21613 could allow an attacker to set arbitrary values to git-upload-pack flags, potentially affecting repository interactions.

  • Is CVE-2025-21613 a remote or local vulnerability?

    CVE-2025-21613 is considered a remote vulnerability as it can be exploited through networked interactions with git repositories.

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