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CVE-2024-10963: Pam: improper hostname interpretation in pam_access leads to access control bypass

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.

Classification

CVE ID: CVE-2024-10963

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.04% (probability of being exploited)

EPSS Percentile: 15.73% (scored less or equal to compared to others)

EPSS Date: 2025-03-07 (when was this score calculated)

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/security/cve/CVE-2024-10963
https://bugzilla.redhat.com/show_bug.cgi?id=2324291

Timeline