sssd: libsss_certmap fails to sanitise certificate data used in LDAP filters
Priority HIGH 73CWE-90Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat.
Summary
sssd: libsss_certmap fails to sanitise certificate data used in LDAP filters
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0095 61st percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix Fixed Red Hat: 3 advisories
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | SSSD | Affects SSSD 1.15.3, Fixed in SSSD 2.3.1 | — | No fix listed | CNA |
- SSSD Vendor— Affected Affects SSSD 1.15.3, Fixed in SSSD 2.3.1 Fixed in — No fix listed CNA
CPE configurations NVD · 14
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:fedoraproject:sssd:*:*:*:*:*:*:*:* | 1.15.3 to before 2.3.1 | Vulnerable | Fedoraproject |
| cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* | 8.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_for_power_big_endian:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_for_scientific_computing:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server_aus:8.2:*:*:*:*:*:*:* | 8.2 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:8.1:*:*:*:*:*:*:* | 8.1 | Vulnerable | Red Hat |
- cpe:2.3:a:fedoraproject:sssd:*:*:*:*:*:*:*:* Versions 1.15.3 to before 2.3.1 Vulnerable ·Fedoraproject
- cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_for_power_big_endian:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_for_scientific_computing:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server_aus:8.2:*:*:*:*:*:*:* Versions 8.2 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:8.1:*:*:*:*:*:*:* Versions 8.1 Vulnerable ·Red Hat
Show 4 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:8.2:*:*:*:*:*:*:* | 8.2 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server_tus:8.2:*:*:*:*:*:*:* | 8.2 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server_update_services_for_sap_solutions:8.1:*:*:*:*:*:*:* | 8.1 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Red Hat |
- cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:8.2:*:*:*:*:*:*:* Versions 8.2 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server_tus:8.2:*:*:*:*:*:*:* Versions 8.2 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server_update_services_for_sap_solutions:8.1:*:*:*:*:*:*:* Versions 8.1 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
Remediation
Red Hat 3 advisories
- RHSA-2023:0442 Released 2023-01-24 · Red Hat rating Importantsssd security update
- Red Hat Enterprise Linux BaseOS E4S (v. 8.1) libipa_hbac-2.2.0-19.el8_1.3, libsss_autofs-2.2.0-19.el8_1.3, libsss_certmap-2.2.0-19.el8_1.3 +26
- RHSA-2023:0403 Released 2023-01-24 · Red Hat rating Importantsssd security and bug fix update
- Red Hat Enterprise Linux Client (v. 7) libipa_hbac-1.16.5-10.el7_9.15, libsss_autofs-1.16.5-10.el7_9.15, libsss_certmap-1.16.5-10.el7_9.15 +24
- Red Hat Enterprise Linux Client Optional (v. 7) libipa_hbac-devel-1.16.5-10.el7_9.15, libsss_certmap-devel-1.16.5-10.el7_9.15, libsss_idmap-devel-1.16.5-10.el7_9.15 +4
- Red Hat Enterprise Linux ComputeNode Optional (v. 7) libipa_hbac-devel-1.16.5-10.el7_9.15, libsss_certmap-devel-1.16.5-10.el7_9.15, libsss_idmap-devel-1.16.5-10.el7_9.15 +4
- Red Hat Enterprise Linux Server (v. 7) libipa_hbac-1.16.5-10.el7_9.15, libipa_hbac-1.16.5-10.el7_9.15.ppc, libsss_autofs-1.16.5-10.el7_9.15 +31
- Red Hat Enterprise Linux Server Optional (v. 7) libipa_hbac-devel-1.16.5-10.el7_9.15, libipa_hbac-devel-1.16.5-10.el7_9.15.ppc, libsss_certmap-devel-1.16.5-10.el7_9.15 +10
- Red Hat Enterprise Linux Workstation (v. 7) libipa_hbac-1.16.5-10.el7_9.15, libsss_autofs-1.16.5-10.el7_9.15, libsss_certmap-1.16.5-10.el7_9.15 +25
- Red Hat Enterprise Linux Workstation Optional (v. 7) libipa_hbac-devel-1.16.5-10.el7_9.15, libsss_certmap-devel-1.16.5-10.el7_9.15, libsss_idmap-devel-1.16.5-10.el7_9.15 +3
- RHSA-2023:0397 Released 2023-01-24 · Red Hat rating Importantsssd security update
- Red Hat Enterprise Linux BaseOS AUS (v. 8.2) libipa_hbac-2.2.3-20.el8_2.2, libsss_autofs-2.2.3-20.el8_2.2, libsss_certmap-2.2.3-20.el8_2.2 +26
- Red Hat Enterprise Linux BaseOS E4S (v. 8.2) libipa_hbac-2.2.3-20.el8_2.2, libsss_autofs-2.2.3-20.el8_2.2, libsss_certmap-2.2.3-20.el8_2.2 +26
- Red Hat Enterprise Linux BaseOS TUS (v. 8.2) libipa_hbac-2.2.3-20.el8_2.2, libsss_autofs-2.2.3-20.el8_2.2, libsss_certmap-2.2.3-20.el8_2.2 +26
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux BaseOS AUS (v. 8.2) | Fixed | RHSA-2023:0397 |
| Red Hat Enterprise Linux BaseOS E4S (v. 8.1) | Fixed | RHSA-2023:0442 |
| Red Hat Enterprise Linux BaseOS E4S (v. 8.2) | Fixed | RHSA-2023:0397 |
| Red Hat Enterprise Linux BaseOS TUS (v. 8.2) | Fixed | RHSA-2023:0397 |
| Red Hat Enterprise Linux Client (v. 7) | Fixed | RHSA-2023:0403 |
| Red Hat Enterprise Linux Client Optional (v. 7) | Fixed | RHSA-2023:0403 |
| Red Hat Enterprise Linux ComputeNode Optional (v. 7) | Fixed | RHSA-2023:0403 |
| Red Hat Enterprise Linux Server (v. 7) | Fixed | RHSA-2023:0403 |
| Red Hat Enterprise Linux Server Optional (v. 7) | Fixed | RHSA-2023:0403 |
| Red Hat Enterprise Linux Workstation (v. 7) | Fixed | RHSA-2023:0403 |
| Red Hat Enterprise Linux Workstation Optional (v. 7) | Fixed | RHSA-2023:0403 |
Not affected: 3 products
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2022-4254
- 2026-10-03 Alias added: GHSA-x75f-4m4h-6374
References
Exploit 2
Sources
- CVE-2022-4254 · CVE Program
- CVE-2022-4254 · NVD
- FIRST EPSS
- GHSA-x75f-4m4h-6374 · GitHub Advisory Database · CC BY 4.0
- CVE-2022-4254 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences