Debian DLA-2730-1 : libpam-tacplus - LTS security update

high Nessus Plugin ID 152217

Synopsis

The remote Debian host is missing a security-related update.

Description

The remote Debian 9 host has a package installed that is affected by a vulnerability as referenced in the dla-2730 advisory.

It was discovered that there was an issue in libpam-tacplus (a security module for using the TACACS+ authentication service) where shared secrets such as private server keys were being added in the clear to various logs. For Debian 9 stretch, this problem has been fixed in version 1.3.8-2+deb9u1. We recommend that you upgrade your libpam-tacplus packages. For the detailed security status of libpam-tacplus please refer to its security tracker page at: https://security-tracker.debian.org/tracker/libpam-tacplus Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS

Tenable has extracted the preceding description block directly from the Debian security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade the libpam-tacplus packages.

For Debian 9 stretch, this problem has been fixed in version 1.3.8-2+deb9u1.

See Also

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=962830

http://www.nessus.org/u?9395a573

https://www.debian.org/lts/security/2021/dla-2730

https://security-tracker.debian.org/tracker/CVE-2020-13881

https://packages.debian.org/source/stretch/libpam-tacplus

Plugin Details

Severity: High

ID: 152217

File Name: debian_DLA-2730.nasl

Version: 1.3

Type: local

Agent: unix

Published: 8/4/2021

Updated: 1/24/2025

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:N/A:N

CVSS Score Source: CVE-2020-13881

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:9.0, p-cpe:/a:debian:debian_linux:libpam-tacplus

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 8/4/2021

Vulnerability Publication Date: 6/6/2020

Reference Information

CVE: CVE-2020-13881