SB2023012437 - Authentication bypass in SSSD
Published: January 24, 2023
Security Bulletin ID
SB2023012437
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) LDAP injection (CVE-ID: CVE-2022-4254)
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to improper input validation in libsss_certmap functionality when validating data used in DLAP queries. A remote non-authenticated attacker can use a specially crafted certificate to bypass authentication process and gain control of the admin account, leading to full domain takeover.
Remediation
Install update from vendor's website.