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

CVE-2022-4254

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

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

HIGH · CVSS 8.8 EPSS 0.00078
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-90Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection')
CWE-90Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection')
▤

Affected Products & Versions

13
fedoraproject sssd>= 1.15.3 and < 2.3.1
redhat enterprise linuxall versions
redhat enterprise linux desktopall versions
redhat enterprise linux for ibm z systemsall versions
redhat enterprise linux for power big endianall versions
redhat enterprise linux for power little endianall versions
redhat enterprise linux for scientific computingall versions
redhat enterprise linux serverall versions
⚠

Public Exploits & PoCs

2
pocbugzilla.redhat.com · show_bug.cgi?id=2149894bugzilla.redhat.com
pocgithub.com · 5135github.com
▣

Scoring & Timeline

8.8
HIGH · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD01 Feb 2023 · 05:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
poc
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

9
usnUSN-6156-1
suse-csafSUSE-SU-2023:0292-1
suse-csafSUSE-SU-2023:0300-1
suse-csafSUSE-SU-2023:0301-1
suse-csafSUSE-SU-2023:0200-1
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://access.redhat.com/security/cve/CVE-2022-4254Third Party Advisory
https://github.com/SSSD/sssd/commit/a2b9a84460429181f2a4fa7e2bb5ab49fd561274PatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2023/05/msg00028.html
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