🛡️ CVE-2022-4254 — enterprise-linux

🟠 CVSS 8.8 — High ⚠️ Exploit Public CWE-90 NVD
8.8
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

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

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

Weakness class

CVE-2022-4254 is classified as CWE-90: LDAP Injection. Input is placed into an LDAP query without neutralisation, allowing the directory lookup to be rewritten.

Affected software

CVE-2022-4254 is recorded against 13 packages.

  • enterprise-linux
  • enterprise-linux-desktop
  • enterprise-linux-for-ibm-z-systems
  • enterprise-linux-for-power-big-endian
  • enterprise-linux-for-power-little-endian
  • enterprise-linux-for-scientific-computing
  • enterprise-linux-server
  • enterprise-linux-server-aus
  • enterprise-linux-server-for-power-little-endian-update-services-for-sap-solutions
  • enterprise-linux-server-tus
  • enterprise-linux-server-update-services-for-sap-solutions
  • enterprise-linux-workstation
  • sssd (from 1.15.3 up to 2.3.1)

Timeline and source

Published on 1 February 2023 and last revised on 17 June 2026. A public exploit is known to exist, which raises the urgency of patching considerably. A vendor advisory or fix has been published. Record sourced from NVD.

References

access.redhat.com
bugzilla.redhat.com
github.com
github.com
lists.debian.org
access.redhat.com
bugzilla.redhat.com
github.com
github.com
lists.debian.org

CVE-2022-4254 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Severity HIGH
CVSS Score 8.8
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE CWE-90
Public Exploit ⚠️ Yes
Source NVD
Published 2023-02-01
Updated 2026-08-11
Modified 2026-06-17

Affected Packages

Software From version Fixed in
enterprise-linux
enterprise-linux-desktop
enterprise-linux-for-ibm-z-systems
enterprise-linux-for-power-big-endian
enterprise-linux-for-power-little-endian
enterprise-linux-for-scientific-computing
enterprise-linux-server
enterprise-linux-server-aus
enterprise-linux-server-for-power-little-endian-update-services-for-sap-solutions
enterprise-linux-server-tus
enterprise-linux-server-update-services-for-sap-solutions
enterprise-linux-workstation
sssd 1.15.3 2.3.1

References

Exploit, Issue Tracking, Patch, Third Party Advisory https://bugzilla.redhat.com/show_bug.cgi?id=2149894
Exploit, Issue Tracking, Patch, Third Party Advisory https://github.com/SSSD/sssd/issues/5135
Exploit, Issue Tracking, Patch, Third Party Advisory https://bugzilla.redhat.com/show_bug.cgi?id=2149894
Exploit, Issue Tracking, Patch, Third Party Advisory https://github.com/SSSD/sssd/issues/5135

Similar Threats

Exploit Protection

Are you running enterprise-linux?

CVE-2022-4254 carries CVSS 8.8 High rating and a public exploit already exists. BotEraser checks your installation against this and other known CVE records, and blocks IPs associated with exploit activity.

Check My Site For CVE-2022-4254 →

No credit card required  ·  Results in minutes

ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.