Debian dla-4033 : libtar-dev - security update

critical Nessus Plugin ID 214740

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Synopsis

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

Description

The remote Debian 11 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-4033 advisory.

- ------------------------------------------------------------------------- Debian LTS Advisory DLA-4033-1 [email protected] https://www.debian.org/lts/security/ Adrian Bunk January 28, 2025 https://wiki.debian.org/LTS
- -------------------------------------------------------------------------

Package : libtar Version : 1.2.20-8+deb12u1~deb11u1 CVE ID : CVE-2021-33643 CVE-2021-33644 CVE-2021-33645 CVE-2021-33646

Multiple vulnerabilities have been fixed in libtar, a library for manipulating tar archives.

CVE-2021-33643

out-of-bounds read in gnu_longlink()

CVE-2021-33644

out-of-bounds read in gnu_longname()

CVE-2021-33645

memory leak in th_read()

CVE-2021-33646

memory leak in th_read()

For Debian 11 bullseye, these problems have been fixed in version 1.2.20-8+deb12u1~deb11u1.

We recommend that you upgrade your libtar packages.

For the detailed security status of libtar please refer to its security tracker page at:
https://security-tracker.debian.org/tracker/libtar

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 libtar-dev packages.

Plugin Details

Severity: Critical

ID: 214740

File Name: debian_DLA-4033.nasl

Version: 1.1

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 1/28/2025

Updated: 1/28/2025

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.2

CVSS v2

Risk Factor: High

Base Score: 9.4

Temporal Score: 7

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

CVSS Score Source: CVE-2021-33644

CVSS v3

Risk Factor: Critical

Base Score: 9.1

Temporal Score: 7.9

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

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

CVSS Score Source: CVE-2021-33643

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:libtar0, cpe:/o:debian:debian_linux:11.0, p-cpe:/a:debian:debian_linux:libtar-dev

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

Exploit Ease: No known exploits are available

Patch Publication Date: 1/28/2025

Vulnerability Publication Date: 8/9/2022

Reference Information

CVE: CVE-2021-33643, CVE-2021-33644, CVE-2021-33645, CVE-2021-33646

Detections

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