OS Command Injection in gogs
### Impact The malicious user is able to update 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 updates are prohibited to its `.git` directory. Users should upgrade to 0.12.8 or the latest 0.13.0+dev. ### Workarounds N/A ### References N/A ### For more information If you have any questions or comments about this advisory, please post on #6555.
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2021-32546US | high8.8 | — | ||
Missing input validation in internal/db/repo_editor.go in Gogs before 0.12.8 allows an attacker to execute code remotely. An unprivileged attacker (registered user) can overwrite t… | ||||
references
External citations — patches, advisories, analysis.
- https://github.com/gogs/gogsPACKAGE
- https://github.com/gogs/gogs/blob/f36eeedbf89328ee70cc3a2e239f6314f9021f58/conf/app.ini#L127-L129WEB
- https://github.com/gogs/gogs/issues/6555WEB
- https://github.com/gogs/gogs/pull/6986WEB
- https://github.com/gogs/gogs/releasesWEB
- https://github.com/gogs/gogs/releases/tag/v0.12.8WEB
- https://github.com/gogs/gogs/security/advisories/GHSA-56j7-2pm8-rgmxWEB
- https://nvd.nist.gov/vuln/detail/CVE-2021-32546ADVISORY
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