GHSA-vm62-9jw3-c8w3
First published: Mon Dec 23 2024(Updated: )
### Impact When the built-in SSH server is enabled (`[server] START_SSH_SERVER = true`), unprivileged user accounts with at least one SSH key can execute arbitrary commands on the Gogs instance with the privileges of the user specified by `RUN_USER` in the configuration. It allows attackers to access and alter any users' code hosted on the same instance. ### Patches The `env` command sent to the internal SSH server has been changed to be a passthrough (https://github.com/gogs/gogs/pull/7868), i.e. the feature is effectively removed. Users should upgrade to 0.13.1 or the latest 0.14.0+dev. ### Workarounds [Disable the use of built-in SSH server](https://github.com/gogs/gogs/blob/7adac94f1e93cc5c3545ea31688662dcef9cd737/conf/app.ini#L76-L77) on operating systems other than Windows. ### References https://www.cve.org/CVERecord?id=CVE-2024-39930
| Affected Software | Affected Version | How to fix |
|---|---|---|
| go/gogs.io/gogs | <=0.13.0 | 0.13.1 |
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Reference Links
- https://github.com/gogs/gogs/security/advisories/GHSA-vm62-9jw3-c8w3
- https://www.sonarsource.com/blog/securing-developer-tools-unpatched-code-vulnerabilities-in-gogs-1
- https://www.vicarius.io/vsociety/posts/argument-injection-in-gogs-ssh-server-cve-2024-39930
- https://github.com/advisories/GHSA-vm62-9jw3-c8w3 (Advisory)
- collector/github-advisory-latest
- source/GitHub
- alias/GHSA-vm62-9jw3-c8w3
- alias/CVE-2024-39930
- agent/software-canonical-lookup
- agent/last-modified-date
- agent/severity
- agent/references
- agent/weakness
- agent/tags
- agent/type
- agent/softwarecombine
- agent/first-publish-date
- agent/description
- agent/event
- package-manager/go