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Ubuntu 18.04 LTS / 20.04 LTS : Privoxy vulnerabilities (USN-5826-1)

medium Nessus Plugin ID 170650

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Synopsis

The remote Ubuntu host is missing one or more security updates.

Description

The remote Ubuntu 18.04 LTS / 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5826-1 advisory.

 Joshua Rogers discovered that Privoxy incorrectly handled memory allocation. An attacker could possibly use this issue to cause a denial of service. (CVE-2021-44540)

 Artem Ivanov discovered that Privoxy incorrectly handled input validations. An

 attacker could possibly use this issue to perform cross-site scripting (XSS) attacks.

 (CVE-2021-44543)

Tenable has extracted the preceding description block directly from the Ubuntu 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

Update the affected privoxy package.

See Also

https://ubuntu.com/security/notices/USN-5826-1

Plugin Details

Severity: Medium

ID: 170650

File Name: ubuntu_USN-5826-1.nasl

Version: 1.2

Type: local

Agent: unix

Published: 1/25/2023

Updated: 8/27/2024

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Low

Base Score: 2.6

Temporal Score: 1.9

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

CVSS Score Source: CVE-2021-44543

CVSS v3

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 5.3

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

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

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:18.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:privoxy, cpe:/o:canonical:ubuntu_linux:20.04:-:lts

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

Exploit Ease: No known exploits are available

Patch Publication Date: 1/25/2023

Vulnerability Publication Date: 12/15/2021

Reference Information

CVE: CVE-2021-44540, CVE-2021-44543

USN: 5826-1