Detections
Analytics

Ubuntu 16.04 ESM / 18.04 ESM / 20.04 ESM : RPM Package Manager vulnerabilities (USN-5273-1)

high Nessus Plugin ID 183159

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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 / 20.04 ESM host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-5273-1 advisory.

 Demi M. Obenour discovered that RPM Package Manager incorrectly handled certain files. An attacker could possibly use this issue to corrupt the database and cause a denial of service. (CVE-2021-3421, CVE-2021-20271)

 Demi M. Obenour discovered that RPM Package Manager incorrectly handled memory when processing certain data from the database. An attacker could possibly use this issue to cause a denial of service. This issue only affects Ubuntu 18.04 ESM and Ubuntu 20.04 ESM. (CVE-2021-20266)

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-5273-1

Plugin Details

Severity: High

ID: 183159

File Name: ubuntu_USN-5273-1.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: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 5.1

Temporal Score: 3.8

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

CVSS Score Source: CVE-2021-20271

CVSS v3

Risk Factor: High

Base Score: 7

Temporal Score: 6.1

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

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:python3-rpm, p-cpe:/a:canonical:ubuntu_linux:rpm-common, cpe:/o:canonical:ubuntu_linux:16.04:-:esm, p-cpe:/a:canonical:ubuntu_linux:librpmsign8, p-cpe:/a:canonical:ubuntu_linux:python-rpm, p-cpe:/a:canonical:ubuntu_linux:rpm2cpio, p-cpe:/a:canonical:ubuntu_linux:rpm, p-cpe:/a:canonical:ubuntu_linux:librpm8, p-cpe:/a:canonical:ubuntu_linux:librpmio3, p-cpe:/a:canonical:ubuntu_linux:librpmsign3, p-cpe:/a:canonical:ubuntu_linux:librpmio8, cpe:/o:canonical:ubuntu_linux:18.04:-:esm, p-cpe:/a:canonical:ubuntu_linux:rpm-i18n, p-cpe:/a:canonical:ubuntu_linux:librpm3, p-cpe:/a:canonical:ubuntu_linux:librpmbuild3, p-cpe:/a:canonical:ubuntu_linux:debugedit, p-cpe:/a:canonical:ubuntu_linux:librpmbuild8, p-cpe:/a:canonical:ubuntu_linux:librpm-dev, cpe:/o:canonical:ubuntu_linux:20.04:-:esm

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

Exploit Ease: No known exploits are available

Patch Publication Date: 7/21/2022

Vulnerability Publication Date: 3/22/2021

Reference Information

CVE: CVE-2021-20266, CVE-2021-20271, CVE-2021-3421

USN: 5273-1