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Ubuntu 22.04 LTS : YARA vulnerability (USN-7177-1)

medium Nessus Plugin ID 213193

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Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 22.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-7177-1 advisory.

 It was discovered that YARA did not properly sanitize its configuration settings. An attacker could potentially exploit this issue to cause a denial of service.

Tenable has extracted the preceding description block directly from the Ubuntu 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

Update the affected libyara-dev, libyara8 and / or yara packages.

See Also

https://ubuntu.com/security/notices/USN-7177-1

Plugin Details

Severity: Medium

ID: 213193

File Name: ubuntu_USN-7177-1.nasl

Version: 1.1

Type: local

Agent: unix

Published: 12/18/2024

Updated: 12/18/2024

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, 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-2021-45429

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:canonical:ubuntu_linux:libyara-dev, p-cpe:/a:canonical:ubuntu_linux:yara, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:libyara8

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 12/18/2024

Vulnerability Publication Date: 2/4/2022

Reference Information

CVE: CVE-2021-45429

USN: 7177-1