Detections
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Ubuntu 16.04 ESM / 18.04 ESM : Libsolv vulnerabilities (USN-4851-1)

medium Nessus Plugin ID 183114

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Synopsis

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

Description

The remote Ubuntu 16.04 ESM / 18.04 ESM host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-4851-1 advisory.

 It was discovered that Libsolv incorrectly handled certain malformed input. An attacker could use this issue to cause Libsolv to crash, resulting in a denial of service.

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-4851-1

Plugin Details

Severity: Medium

ID: 183114

File Name: ubuntu_USN-4851-1.nasl

Version: 1.1

Type: local

Agent: unix

Published: 10/16/2023

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: 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-2018-20534

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.9

Vector: CVSS:3.0/AV:N/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:python-solv, p-cpe:/a:canonical:ubuntu_linux:libsolv0, p-cpe:/a:canonical:ubuntu_linux:libsolv-tools, p-cpe:/a:canonical:ubuntu_linux:python3-solv, cpe:/o:canonical:ubuntu_linux:18.04:-:esm, p-cpe:/a:canonical:ubuntu_linux:libsolvext0-dev, p-cpe:/a:canonical:ubuntu_linux:libsolvext0, p-cpe:/a:canonical:ubuntu_linux:libsolv0-dev, p-cpe:/a:canonical:ubuntu_linux:libsolv-perl, cpe:/o:canonical:ubuntu_linux:16.04:-:esm

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: 12/28/2018

Reference Information

CVE: CVE-2018-20532, CVE-2018-20533, CVE-2018-20534

USN: 4851-1