Pam: improper hostname interpretation in pam_access leads to access control bypass

7.4 CVSS

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

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Affected Vendor

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Affected Software

Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat Enterprise Linux 9.4 Extended Update Support, Red Hat OpenShift Container Platform 4.16, Red Hat OpenShift Container Platform 4.17, Red Hat OpenShift AI 2.16, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7

Vulnerable Versions:

1.3.1, 1.5.1, 1.6.0, 0:1.3.1-36.el8_10, 0:1.5.1-22.el9_5, 0:1.5.1-23.el9_4, 416.94.202411261619-0, 417.94.202411261220-0, sha256:c2a79db6d2ba9c313640149a55f306e8aa4dc36f3cc24bf554c025503b013644