Deadlock Affecting pam package, versions <0:1.1.8-12.el7_1.1


0.0
medium

Snyk CVSS

    Attack Complexity Low

    Threat Intelligence

    EPSS 0.87% (83rd percentile)
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NVD
6.5 medium
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Red Hat
6.5 medium

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  • Snyk ID SNYK-CENTOS7-PAM-2052510
  • published 26 Jul 2021
  • disclosed 25 Jun 2015

How to fix?

Upgrade Centos:7 pam to version 0:1.1.8-12.el7_1.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream pam package and not the pam package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

The _unix_run_helper_binary function in the pam_unix module in Linux-PAM (aka pam) before 1.2.1, when unable to directly access passwords, allows local users to enumerate usernames or cause a denial of service (hang) via a large password.