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Ubuntu 20.04 LTS / 22.04 LTS / 23.04 / 23.10 : Perl vulnerabilities (USN-6517-1)

critical Nessus Plugin ID 186300

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Synopsis

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

Description

The remote Ubuntu 20.04 LTS / 22.04 LTS / 23.04 / 23.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-6517-1 advisory.

 It was discovered that Perl incorrectly handled printing certain warning messages. An attacker could possibly use this issue to cause Perl to consume resources, leading to a denial of service. This issue only affected Ubuntu 22.04 LTS. (CVE-2022-48522)

 Nathan Mills discovered that Perl incorrectly handled certain regular expressions. An attacker could use this issue to cause Perl to crash, resulting in a denial of service, or possibly execute arbitrary code.
 (CVE-2023-47038)

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 packages.

See Also

https://ubuntu.com/security/notices/USN-6517-1

Plugin Details

Severity: Critical

ID: 186300

File Name: ubuntu_USN-6517-1.nasl

Version: 1.3

Type: local

Agent: unix

Published: 11/27/2023

Updated: 9/18/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.8

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

CVSS Score Source: CVE-2022-48522

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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: cpe:/o:canonical:ubuntu_linux:23.10, p-cpe:/a:canonical:ubuntu_linux:libperl5.34, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:perl-modules-5.30, p-cpe:/a:canonical:ubuntu_linux:perl-base, p-cpe:/a:canonical:ubuntu_linux:perl-modules-5.36, p-cpe:/a:canonical:ubuntu_linux:libperl5.36, p-cpe:/a:canonical:ubuntu_linux:libperl5.30, cpe:/o:canonical:ubuntu_linux:23.04, p-cpe:/a:canonical:ubuntu_linux:perl-debug, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:perl-modules-5.34, p-cpe:/a:canonical:ubuntu_linux:perl, p-cpe:/a:canonical:ubuntu_linux:libperl-dev

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/27/2023

Vulnerability Publication Date: 8/22/2023

Reference Information

CVE: CVE-2022-48522, CVE-2023-47038

USN: 6517-1