Debian DLA-2830-1 : tar - LTS security update

critical Nessus Plugin ID 155707

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Synopsis

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

Description

The remote Debian 9 host has packages installed that are affected by a vulnerability as referenced in the dla-2830 advisory.

An infinite loop when --sparse is used with file shrinkage during read access was fixed in the GNU tar archiving utility. For Debian 9 stretch, this problem has been fixed in version 1.29b-1.1+deb9u1. We recommend that you upgrade your tar packages. For the detailed security status of tar please refer to its security tracker page at: https://security-tracker.debian.org/tracker/tar 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 tar packages.

For Debian 9 stretch, this problem has been fixed in version 1.29b-1.1+deb9u1.

Plugin Details

Severity: Critical

ID: 155707

File Name: debian_DLA-2830.nasl

Version: 1.4

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 11/29/2021

Updated: 1/24/2025

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Low

Base Score: 1.9

Temporal Score: 1.5

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

CVSS Score Source: CVE-2018-20482

CVSS v3

Risk Factor: Medium

Base Score: 4.7

Temporal Score: 4.2

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

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

CVSS v4

Risk Factor: Critical

Base Score: 9.3

Threat Score: 8.9

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:tar, p-cpe:/a:debian:debian_linux:tar-scripts, cpe:/o:debian:debian_linux:9.0

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: 11/28/2021

Vulnerability Publication Date: 12/26/2018

Reference Information

CVE: CVE-2018-20482

Detections

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