Unrestricted Upload of File with Dangerous Type in Gogs
### Impact The malicious user is able to upload a crafted `config` file into repository's `.git` directory with to gain SSH access to the server. All installations with [repository upload enabled (default)](https://github.com/gogs/gogs/blob/f36eeedbf89328ee70cc3a2e239f6314f9021f58/conf/app.ini#L127-L129) are affected. ### Patches Repository file uploads are prohibited to its `.git` directory. Users should upgrade to 0.12.6 or the latest 0.13.0+dev. ### Workarounds [Disable repository files upload](https://github.com/gogs/gogs/blob/f36eeedbf89328ee70cc3a2e239f6314f9021f58/conf/app.ini#L128-L129). ### References https://huntr.dev/bounties/b4928cfe-4110-462f-a180-6d5673797902/ ### For more information If you have any questions or comments about this advisory, please post on #6833.
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2022-0415US | high8.8 | — | ||
Remote Command Execution in uploading repository file in GitHub repository gogs/gogs prior to 0.12.6. | ||||
references
External citations — patches, advisories, analysis.
- https://github.com/gogs/gogsPACKAGE
- https://github.com/gogs/gogs/commit/0fef3c9082269e9a4e817274942a5d7c50617284WEB
- https://github.com/gogs/gogs/issues/6833WEB
- https://github.com/gogs/gogs/pull/6838WEB
- https://github.com/gogs/gogs/security/advisories/GHSA-5gjh-5j4f-cpwvWEB
- https://huntr.dev/bounties/b4928cfe-4110-462f-a180-6d5673797902WEB
- https://nvd.nist.gov/vuln/detail/CVE-2022-0415ADVISORY
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