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Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : Perl vulnerabilities (USN-4602-1)

high Nessus Plugin ID 141913

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Synopsis

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

Description

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-4602-1 advisory.

 ManhND discovered that Perl incorrectly handled certain regular expressions. In environments where untrusted regular expressions are evaluated, a remote attacker could possibly use this issue to cause Perl to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2020-10543)

 Hugo van der Sanden and Slaven Rezic discovered that Perl incorrectly handled certain regular expressions.
 In environments where untrusted regular expressions are evaluated, a remote attacker could possibly use this issue to cause Perl to crash, resulting in a denial of service, or possibly execute arbitrary code.
 (CVE-2020-10878)

 Sergey Aleynikov discovered that Perl incorrectly handled certain regular expressions. In environments where untrusted regular expressions are evaluated, a remote attacker could possibly use this issue to cause Perl to crash, resulting in a denial of service, or possibly execute arbitrary code.
 (CVE-2020-12723)

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-4602-1

Plugin Details

Severity: High

ID: 141913

File Name: ubuntu_USN-4602-1.nasl

Version: 1.7

Type: local

Agent: unix

Published: 10/27/2020

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: Medium

Score: 4.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2020-10878

CVSS v3

Risk Factor: High

Base Score: 8.6

Temporal Score: 7.5

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

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

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:20.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:perl-modules-5.30, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:perl-base, p-cpe:/a:canonical:ubuntu_linux:perl-modules-5.22, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:libperl5.30, p-cpe:/a:canonical:ubuntu_linux:perl-debug, p-cpe:/a:canonical:ubuntu_linux:perl, p-cpe:/a:canonical:ubuntu_linux:perl-modules-5.26, p-cpe:/a:canonical:ubuntu_linux:libperl5.22, p-cpe:/a:canonical:ubuntu_linux:libperl5.26, 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: 10/26/2020

Vulnerability Publication Date: 6/5/2020

Reference Information

CVE: CVE-2020-10543, CVE-2020-10878, CVE-2020-12723

USN: 4602-1