CVE-2022-1884: Remote Command Execution in gogs/gogs
First published: Thu Jun 02 2022(Updated: )
### 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 Windows 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 0.12.8 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://www.huntr.dev/bounties/9cd4e7b7-0979-4e5e-9a1c-388b58dea76b/ ### For more information If you have any questions or comments about this advisory, please post on #6968.
Credit: security@huntr.dev security@huntr.dev
| Affected Software | Affected Version | How to fix |
|---|---|---|
| go/gogs.io/gogs | <0.12.8 | 0.12.8 |
| All of | ||
| Gogs | <=0.12.7 | |
| Microsoft Windows Operating System |
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Reference Links
- https://huntr.com/bounties/9cd4e7b7-0979-4e5e-9a1c-388b58dea76b
- https://github.com/gogs/gogs/security/advisories/GHSA-958j-443g-7mm7
- https://github.com/gogs/gogs/issues/6968
- https://github.com/gogs/gogs/pull/6970
- https://github.com/gogs/gogs/blob/f36eeedbf89328ee70cc3a2e239f6314f9021f58/conf/app.ini#L127-L129
- https://github.com/gogs/gogs/releases/tag/v0.12.8
- https://nvd.nist.gov/vuln/detail/CVE-2022-1884
- https://www.huntr.dev/bounties/9cd4e7b7-0979-4e5e-9a1c-388b58dea76b
- https://github.com/advisories/GHSA-958j-443g-7mm7 (Advisory)
Frequently Asked Questions
What is the severity of CVE-2022-1884?
CVE-2022-1884 is considered a high severity vulnerability that allows malicious users to upload a crafted config file for unauthorized SSH access.
How do I fix CVE-2022-1884?
To fix CVE-2022-1884, update your Gogs installation to version 0.12.8 or later.
Which versions of Gogs are affected by CVE-2022-1884?
CVE-2022-1884 affects Gogs versions prior to 0.12.8, specifically versions 0.12.7 and earlier.
Is Windows the only platform affected by CVE-2022-1884?
No, while the issue has been noted on Windows installations, it is primarily related to Gogs regardless of platform.
What is the impact of CVE-2022-1884?
The impact of CVE-2022-1884 is that an attacker can gain unauthorized SSH access to the server through a maliciously crafted config file.
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