SB2023022209 - Improper access control in Central Authentication Services (CAS) module for Backdrop CMS
Published: February 22, 2023
Security Bulletin ID
SB2023022209
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper access control (CVE-ID: CVE-2022-39369)
The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to improper access restrictions within the phpCAS library that is maintained by a third-party. A remote user can bypass implemented security restrictions and gain unauthorized access to the application.
Remediation
Install update from vendor's website.
References
- https://github.com/apereo/phpCAS/security/advisories/GHSA-8q72-6qq8-xv64
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2XL7SMW6ESSP2Y6HHRYWW2MMCZSI4LBZ/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RUA2JM6YT3ZXSZLBJVRA32AXYM3GJMO3/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VJZGTWJ5ZXUUT47EHARNOUUNTH6SYDSE/