What’s Vulnerable › Vulnerabilities

CVE-2022-4254

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-02-01 · updated 2026-06-17
• Weakness: CWE-90

Description

sssd: libsss_certmap fails to sanitise certificate data used in LDAP filters

Affected products

• [UNKNOWN] sssd: from 1.15.3 before 2.3.1 — fixed in 2.3.1
• Red Hat Enterprise Linux: 8.0
• RedHat Enterprise Linux Desktop: 7.0
• RedHat Enterprise Linux For Ibm Z Systems: 7.0
• RedHat Enterprise Linux For Power Big Endian: 7.0
• RedHat Enterprise Linux For Power Little Endian: 7.0
• RedHat Enterprise Linux For Scientific Computing: 7.0
• RedHat Enterprise Linux Server: 7.0
• RedHat Enterprise Linux Server Aus: 8.2
• RedHat Enterprise Linux Server For Power Little Endian Update Services For Sap Solutions: 8.1, 8.2
• RedHat Enterprise Linux Server Tus: 8.2
• RedHat Enterprise Linux Server Update Services For Sap Solutions: 8.1
• RedHat Enterprise Linux Workstation: 7.0

How to fix

Upgrade to a fixed version: [UNKNOWN] sssd 2.3.1. Check the vendor advisory for mitigations.

References

• https://access.redhat.com/security/cve/CVE-2022-4254
• https://bugzilla.redhat.com/show_bug.cgi?id=2149894
• https://github.com/SSSD/sssd/commit/a2b9a84460429181f2a4fa7e2bb5ab49fd561274
• https://github.com/SSSD/sssd/issues/5135
• https://lists.debian.org/debian-lts-announce/2023/05/msg00028.html
• https://access.redhat.com/security/cve/CVE-2022-4254
• https://bugzilla.redhat.com/show_bug.cgi?id=2149894
• https://github.com/SSSD/sssd/commit/a2b9a84460429181f2a4fa7e2bb5ab49fd561274
• https://github.com/SSSD/sssd/issues/5135
• https://lists.debian.org/debian-lts-announce/2023/05/msg00028.html

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