CVE-2024-10963
Pam: improper hostname interpretation in pam_access leads to access control bypass
At a glance
- Severity
- HIGH 7.4
- EPSS
- EPSS 0.78 % · percentile 56 (2026-10-27)
- State
- PUBLISHED
- Published
- Updated
- Assigner
- redhat
- NVD status
- Deferred
Description
A flaw was found in pam_access, where certain rules in its configuration file are mistakenly treated as hostnames. This vulnerability allows attackers to trick the system by pretending to be a trusted hostname, gaining unauthorized access. This issue poses a risk for systems that rely on this feature to control who can access certain services or terminals.
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | HIGH 7.4 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N | redhat |
| CVSS 3.1 | HIGH 7.4 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N | NVD · secalert@redhat.com (Secondary) |
Weaknesses (CWE)
European references
- ENISA EUVD · EUVD-2024-33602
- GCVE · GCVE-0-2024-10963
CERT-FR advisories
- CERTFR-2026-AVI-1385 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
- CERTFR-2025-AVI-0969 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
- CERTFR-2025-AVI-0756 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
- CERTFR-2025-AVI-0693 — Multiples vulnérabilités dans VMware Tanzu · cert.ssi.gouv.fr
- CERTFR-2025-AVI-0524 — Multiples vulnérabilités dans VMware Tanzu · cert.ssi.gouv.fr
- CERTFR-2025-AVI-0512 — Multiples vulnérabilités dans les produits IBM · cert.ssi.gouv.fr
- CERTFR-2025-AVI-0422 — Multiples vulnérabilités dans IBM QRadar SIEM · cert.ssi.gouv.fr
- CERTFR-2025-AVI-0337 — Multiples vulnérabilités dans les produits IBM · cert.ssi.gouv.fr
- CERTFR-2024-AVI-1081 — Multiples vulnérabilités dans les produits IBM · cert.ssi.gouv.fr
Affected products
| Product | Versions |
|---|---|
| pam | affected 1.3.1 ; affected 1.5.1 ; affected 1.6.0 < 1.7.0 |
| Red Hat · Red Hat Enterprise Linux 8 | unaffected 0:1.3.1-36.el8_10 < * |
| Red Hat · Red Hat Enterprise Linux 9 | unaffected 0:1.5.1-22.el9_5 < * |
| Red Hat · Red Hat Enterprise Linux 9 | unaffected 0:1.5.1-22.el9_5 < * |
| Red Hat · Red Hat Enterprise Linux 9.4 Extended Update Support | unaffected 0:1.5.1-23.el9_4 < * |
| Red Hat · Red Hat OpenShift Container Platform 4.16 | unaffected 416.94.202411261619-0 < * |
| Red Hat · Red Hat OpenShift Container Platform 4.17 | unaffected 417.94.202411261220-0 < * |
| Red Hat · Red Hat OpenShift Container Platform 4.18 | unaffected v4.18.0-202501230001.p0.g088dcaf.assembly.stream.el9 < * |
| Red Hat · Red Hat OpenShift Container Platform 4.18 | unaffected v4.18.0-202501230001.p0.gd4fb1b6.assembly.stream.el9 < * |
| Red Hat · Red Hat OpenShift Container Platform 4.18 | unaffected v4.18.0-202501230001.p0.g11ced00.assembly.stream.el9 < * |
| Red Hat · Red Hat OpenShift Container Platform 4.18 | unaffected v4.18.0-202501230001.p0.gf648c78.assembly.stream.el9 < * |
| Red Hat · Red Hat OpenShift Container Platform 4.18 | unaffected v4.18.0-202501230001.p0.g24a6532.assembly.stream.el9 < * |
| Red Hat · Red Hat OpenShift Container Platform 4.18 | unaffected v4.18.0-202502100301.p0.g2e139ed.assembly.stream.el9 < * |
| Red Hat · Red Hat OpenShift Container Platform 4.18 | unaffected v4.18.0-202501230001.p0.g3193a75.assembly.stream.el9 < * |
| Red Hat · Red Hat OpenShift Container Platform 4.18 | unaffected v4.18.0-202502041302.p0.g1ad8f2e.assembly.stream.el9 < * |
| Red Hat · Red Hat OpenShift Container Platform 4.18 | unaffected v4.18.0-202501230001.p0.g7149f2d.assembly.stream.el9 < * |
| Red Hat · Red Hat OpenShift Container Platform 4.18 | unaffected v4.18.0-202501230001.p0.g7149f2d.assembly.stream.el9 < * |
| Red Hat · Red Hat OpenShift Container Platform 4.18 | unaffected v4.18.0-202501230001.p0.g962ccca.assembly.stream.el9 < * |
| Red Hat · Red Hat OpenShift Container Platform 4.18 | unaffected v4.18.0-202501230001.p0.gba2234b.assembly.stream.el9 < * |
| Red Hat · Red Hat OpenShift Container Platform 4.18 | unaffected v4.18.0-202502111035.p0.gf76635f.assembly.stream.el9 < * |
References
- https://access.redhat.com/errata/RHSA-2024:10232
- https://access.redhat.com/errata/RHSA-2024:10244
- https://access.redhat.com/errata/RHSA-2024:10379
- https://access.redhat.com/errata/RHSA-2024:10518
- https://access.redhat.com/errata/RHSA-2024:10528
- https://access.redhat.com/errata/RHSA-2024:10852
- https://access.redhat.com/errata/RHSA-2024:6122
- https://access.redhat.com/security/cve/CVE-2024-10963
- https://bugzilla.redhat.com/show_bug.cgi?id=2324291
- https://github.com/linux-pam/linux-pam/issues/834
- https://github.com/linux-pam/linux-pam/pull/835
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |