High severity · published Feb 1, 2023
CVE-2022-4254
sssd: libsss_certmap fails to sanitise certificate data used in LDAP filters
8.8
CVSS
1%
EPSS
No
On KEV
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 61% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EL
Enterprise Linux · Redhat
8.0 · source: NVD
EL
Enterprise Linux Desktop · Redhat
7.0 · source: NVD
EL
Enterprise Linux For Ibm Z Systems · Redhat
7.0 · source: NVD
EL
Enterprise Linux For Power Big Endian · Redhat
7.0 · source: NVD
EL
Enterprise Linux For Power Little Endian · Redhat
7.0 · source: NVD
EL
Enterprise Linux For Scientific Computing · Redhat
7.0 · source: NVD
EL
Enterprise Linux Server · Redhat
7.0 · source: NVD
EL
Enterprise Linux Server Aus · Redhat
8.2 · source: NVD
EL
EL
Enterprise Linux Server Tus · Redhat
8.2 · source: NVD
EL
Enterprise Linux Server Update Services For Sap Solutions · Redhat
8.1 · source: NVD
EL
Enterprise Linux Workstation · Redhat
7.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-4254
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-4254
Third Party Advisory
https://access.redhat.com/security/cve/CVE-2022-4254
Exploit
https://bugzilla.redhat.com/show_bug.cgi?id=2149894
Patch
https://github.com/SSSD/sssd/commit/a2b9a84460429181f2a4fa7e2bb5ab49fd561274
Exploit
https://github.com/SSSD/sssd/issues/5135
lists.debian.org
https://lists.debian.org/debian-lts-announce/2023/05/msg00028.html
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