Debian DSA-5171-1 : squid - security update

medium Nessus Plugin ID 162562

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Synopsis

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

Description

The remote Debian 10 / 11 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-5171 advisory.

Multiple security issues were discovered in the Squid proxy caching server: CVE-2021-28116 Amos Jeffries discovered an information leak if WCCPv2 is enabled CVE-2021-46784 Joshua Rogers discovered that an error in parsing Gopher server responses may result in denial of service For the oldstable distribution (buster), these problems have been fixed in version 4.6-1+deb10u7. For the stable distribution (bullseye), these problems have been fixed in version 4.13-10+deb11u1. We recommend that you upgrade your squid packages. For the detailed security status of squid please refer to its security tracker page at:
https://security-tracker.debian.org/tracker/squid

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 squid packages.

For the stable distribution (bullseye), these problems have been fixed in version 4.13-10+deb11u1.

Plugin Details

Severity: Medium

ID: 162562

File Name: debian_DSA-5171.nasl

Version: 1.4

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 6/28/2022

Updated: 1/24/2025

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous 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-2021-28116

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

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

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:squid-cgi, cpe:/o:debian:debian_linux:11.0, p-cpe:/a:debian:debian_linux:squid, cpe:/o:debian:debian_linux:10.0, p-cpe:/a:debian:debian_linux:squid-purge, p-cpe:/a:debian:debian_linux:squid-common, p-cpe:/a:debian:debian_linux:squid3, p-cpe:/a:debian:debian_linux:squid-openssl, p-cpe:/a:debian:debian_linux:squidclient

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

Exploit Ease: No known exploits are available

Patch Publication Date: 6/27/2022

Vulnerability Publication Date: 3/9/2021

Reference Information

CVE: CVE-2021-28116, CVE-2021-46784

Detections

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