Headline
CVE-2023-37265: Incorrect identification of source IP addresses
CasaOS is an open-source Personal Cloud system. Due to a lack of IP address verification an unauthenticated attackers can execute arbitrary commands as root on CasaOS instances. The problem was addressed by improving the detection of client IP addresses in 391dd7f. This patch is part of CasaOS 0.4.4. Users should upgrade to CasaOS 0.4.4. If they can’t, they should temporarily restrict access to CasaOS to untrusted users, for instance by not exposing it publicly.
Package
gomod github.com/IceWhaleTech/CasaOS-Gateway (Go)
Affected versions
< 0.4.4
Description
Impact
Unauthenticated attackers can execute arbitrary commands as root on CasaOS instances.
Patches
The problem was addressed by improving the detection of client IP addresses in 391dd7f. This patch is part of CasaOS 0.4.4.
Workarounds
Users should upgrade to CasaOS 0.4.4. If they can’t, they should temporarily restrict access to CasaOS to untrusted users, for instance by not exposing it publicly.
References
- 391dd7f
Related news
Two critical security flaws discovered in the open-source CasaOS personal cloud software could be successfully exploited by attackers to achieve arbitrary code execution and take over susceptible systems. The vulnerabilities, tracked as CVE-2023-37265 and CVE-2023-37266, both carry a CVSS score of 9.8 out of a maximum of 10. Sonar security researcher Thomas Chauchefoin, who discovered the bugs,
### Impact Unauthenticated attackers can execute arbitrary commands as `root` on CasaOS instances. ### Patches The problem was addressed by improving the detection of client IP addresses in 391dd7f. This patch is part of CasaOS 0.4.4. ### Workarounds Users should upgrade to CasaOS 0.4.4. If they can't, they should temporarily restrict access to CasaOS to untrusted users, for instance by not exposing it publicly. ### References - 391dd7f