Auth bypass in Icewhale Casaos
CVE-2023-37265
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.
Vulnerability class: Broken Authentication
EPSS: 0.074 (93.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Icewhale Casaos — versions 0.4.4
- Icewhale Casaos-gateway — versions 0.4.4
- Icewhaletech Casaos-gateway — versions < 0.4.4
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2023-37265?
- CVE-2023-37265 is a critical-severity vulnerability in Icewhale Casaos, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2023-07-17.
- How severe is CVE-2023-37265?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2023-37265 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.