Headline
GHSA-vjh7-5r6x-xh6g: CasaOS Gateway vulnerable to incorrect identification of source IP addresses
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
- GitHub Advisory Database
- GitHub Reviewed
- CVE-2023-37265
CasaOS Gateway vulnerable to incorrect identification of source IP addresses
Critical severity GitHub Reviewed Published Jul 17, 2023 in IceWhaleTech/CasaOS-Gateway • Updated Jul 17, 2023
Package
gomod github.com/IceWhaleTech/CasaOS-Gateway (Go)
Affected versions
< 0.4.4
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
References
- GHSA-vjh7-5r6x-xh6g
- IceWhaleTech/CasaOS-Gateway@391dd7f
Published to the GitHub Advisory Database
Jul 17, 2023
Last updated
Jul 17, 2023
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,
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.