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.

- 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. (CVE-2020-13881)

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: 1.2

Type: local

Agent: unix

Published: 8/4/2021

Updated: 8/4/2021

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, 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: p-cpe:/a:debian:debian_linux:libpam-tacplus, cpe:/o:debian:debian_linux:9.0

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