Debian DLA-2987-1 : libarchive - LTS security update

high Nessus Plugin ID 160408

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Synopsis

The remote Debian host is missing one or more security-related updates.

Description

The remote Debian 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-2987 advisory.

Three issues have been found in libarchive, a multi-format archive and compression library. CVE-2021-31566 symbolic links incorrectly followed when changing modes, times, ACL and flags of a file while extracting an archive CVE-2021-23177 extracting a symlink with ACLs modifies ACLs of target CVE-2019-19221 out-of- bounds read because of an incorrect mbrtowc or mbtowc call For Debian 9 stretch, these problems have been fixed in version 3.2.2-2+deb9u3. We recommend that you upgrade your libarchive packages. For the detailed security status of libarchive please refer to its security tracker page at: https://security- tracker.debian.org/tracker/libarchive 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 these issues but has instead relied only on the application's self-reported version number.

Solution

Upgrade the libarchive packages.

For Debian 9 stretch, these problems have been fixed in version 3.2.2-2+deb9u3.

Plugin Details

Severity: High

ID: 160408

File Name: debian_DLA-2987.nasl

Version: 1.7

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 5/2/2022

Updated: 1/24/2025

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Low

Base Score: 2.1

Temporal Score: 1.6

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

CVSS Score Source: CVE-2019-19221

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7

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

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

CVSS Score Source: CVE-2021-31566

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:bsdtar, p-cpe:/a:debian:debian_linux:libarchive-dev, p-cpe:/a:debian:debian_linux:libarchive13, p-cpe:/a:debian:debian_linux:bsdcpio, cpe:/o:debian:debian_linux:9.0, p-cpe:/a:debian:debian_linux:libarchive-tools

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/30/2022

Vulnerability Publication Date: 11/21/2019

Reference Information

CVE: CVE-2019-19221, CVE-2021-23177, CVE-2021-31566

Detections

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