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Debian DSA-5202-1 : unzip - security update

medium Nessus Plugin ID 163926

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Synopsis

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

Description

The remote Debian 11 host has a package installed that is affected by multiple vulnerabilities as referenced in the dsa-5202 advisory.

 - A flaw was found in Unzip. The vulnerability occurs during the conversion of a wide string to a local string that leads to a heap of out-of-bound write. This flaw allows an attacker to input a specially crafted zip file, leading to a crash or code execution. (CVE-2022-0529, CVE-2022-0530)

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 unzip packages.

For the stable distribution (bullseye), these problems have been fixed in version 6.0-26+deb11u1.

See Also

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1010355

https://security-tracker.debian.org/tracker/source-package/unzip

https://www.debian.org/security/2022/dsa-5202

https://security-tracker.debian.org/tracker/CVE-2022-0529

https://security-tracker.debian.org/tracker/CVE-2022-0530

https://packages.debian.org/source/bullseye/unzip

Plugin Details

Severity: Medium

ID: 163926

File Name: debian_DSA-5202.nasl

Version: 1.3

Type: local

Agent: unix

Published: 8/9/2022

Updated: 10/16/2023

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.4

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

CVSS Score Source: CVE-2022-0530

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 5

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

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:unzip, cpe:/o:debian:debian_linux:11.0

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: 8/8/2022

Vulnerability Publication Date: 2/9/2022

Reference Information

CVE: CVE-2022-0529, CVE-2022-0530