Weak json web token (JWT) secrets in CasaOS
CVE-2023-37266

9.8CRITICAL

Key Information:

Vendor

Icewhaletech

Status
Casaos
Vendor
CVE Published:
17 July 2023

What is CVE-2023-37266?

CasaOS, an open-source Personal Cloud system, has a vulnerability that allows unauthenticated attackers to create arbitrary JSON Web Tokens (JWTs). This flaw enables them to access functions that typically require user authentication, and execute commands with root privileges on affected CasaOS instances. To address this issue, validation of JWTs has been improved in the patch included in CasaOS version 0.4.4. Users are strongly recommended to upgrade to this version to secure their systems. For those unable to upgrade, it is advisable to restrict access to CasaOS from untrusted users, such as by avoiding public exposure.

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Deploy the Patch

Affected Version(s)

CasaOS < 0.4.4

References

https://github.com/IceWhaleTech/CasaOS/security/advisorie...
x_refsource_CONFIRM
https://github.com/IceWhaleTech/CasaOS/commit/705bf1facbf...
x_refsource_MISC
https://www.sonarsource.com/blog/security-vulnerabilities...
x_refsource_MISC

EPSS Score

89% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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