Information Exposure Through Log Files Affecting libpam-tacplus package, versions <1.3.8-2+deb8u1build0.16.04.1


Severity

Recommended
low

Based on Ubuntu security rating.

Threat Intelligence

EPSS
1.72% (78th percentile)

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  • Snyk IDSNYK-UBUNTU1604-LIBPAMTACPLUS-674623
  • published16 Sept 2020
  • disclosed6 Jun 2020

Introduced: 6 Jun 2020

CVE-2020-13881  (opens in a new tab)
CWE-532  (opens in a new tab)

How to fix?

Upgrade Ubuntu:16.04 libpam-tacplus to version 1.3.8-2+deb8u1build0.16.04.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libpam-tacplus package and not the libpam-tacplus package as distributed by Ubuntu. See How to fix? for Ubuntu:16.04 relevant fixed versions and status.

In support.c in pam_tacplus 1.3.8 through 1.5.1, the TACACS+ shared secret gets logged via syslog if the DEBUG loglevel and journald are used.

CVSS Base Scores

version 3.1