Ubuntu 18.04 ESM : LibSass vulnerabilities (USN-4837-1)

critical Nessus Plugin ID 183625

Synopsis

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

Description

The remote Ubuntu 18.04 ESM host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-4837-1 advisory.

It was discovered that LibSass incorrectly handled certain specially crafted sass file. An attacker could possibly use this issue to cause a denial of service or other unspecified impact.

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 libsass-dev and / or libsass0 packages.

See Also

https://ubuntu.com/security/notices/USN-4837-1

Plugin Details

Severity: Critical

ID: 183625

File Name: ubuntu_USN-4837-1.nasl

Version: 1.1

Type: local

Agent: unix

Published: 10/20/2023

Updated: 8/27/2024

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: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.9

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

CVSS Score Source: CVE-2018-11499

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

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:18.04:-:esm, p-cpe:/a:canonical:ubuntu_linux:libsass0, p-cpe:/a:canonical:ubuntu_linux:libsass-dev

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: 3/15/2021

Vulnerability Publication Date: 5/26/2018

Reference Information

CVE: CVE-2018-11499, CVE-2018-11693, CVE-2018-11695, CVE-2018-11696, CVE-2018-11697, CVE-2018-11698, CVE-2018-19797, CVE-2018-19827, CVE-2018-19839, CVE-2018-20190, CVE-2019-6283, CVE-2019-6284, CVE-2019-6286

USN: 4837-1