Auth bypass in Red Hat Enterprise Linux 10
CVE-2024-10963
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.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.008 (54.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 54.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8 — versions 0:1.3.1-36.el8_10
- Red Hat Enterprise Linux 9 — versions 0:1.5.1-22.el9_5
- Red Hat Enterprise Linux 9.4 Extended Update Support — versions 0:1.5.1-23.el9_4
- Red Hat Openshift Ai 2.16 — versions v2.16.0-1733133582, sha256:c2a79db6d2ba9c313640149a55f306e8aa4dc36f3cc24bf554c025503b013644
- Red Hat Openshift Container Platform 4
- Red Hat Openshift Container Platform 4.16 — versions 416.94.202411261619-0
- Red Hat Openshift Container Platform 4.17 — versions 417.94.202411261220-0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- access.redhat.com/errata/RHSA-2024:10232 (vendor-advisory)
- access.redhat.com/errata/RHSA-2024:10244 (vendor-advisory)
- access.redhat.com/errata/RHSA-2024:10379 (vendor-advisory)
- access.redhat.com/errata/RHSA-2024:10518 (vendor-advisory)
- access.redhat.com/errata/RHSA-2024:10528 (vendor-advisory)
- access.redhat.com/errata/RHSA-2024:10852 (vendor-advisory)
- access.redhat.com/security/cve/CVE-2024-10963 (vdb-entry)
- bugzilla.redhat.com/show_bug.cgi (issue-tracking)
- github.com/linux-pam/linux-pam/issues/834
- github.com/linux-pam/linux-pam/pull/835
Frequently asked questions
- What is CVE-2024-10963?
- CVE-2024-10963 is a high-severity vulnerability in Red Hat Enterprise Linux 10, classified under Improper Authentication. CVSS score: 7.4/10. Published 2024-11-07.
- How severe is CVE-2024-10963?
- High severity. CVSS v3 base score is 7.4 out of 10.
- Is CVE-2024-10963 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.