Ubuntu 20.04 LTS / 22.04 LTS : zlib vulnerability (USN-5570-2)

critical Nessus Plugin ID 166179

Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 20.04 LTS / 22.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-5570-2 advisory.

USN-5570-1 fixed a vulnerability in zlib. This update provides the corresponding update for Ubuntu 22.04 LTS and Ubuntu 20.04 LTS.

Original advisory details:

Evgeny Legerov discovered that zlib incorrectly handled memory when

performing certain inflate operations. An attacker could use this issue

to cause zlib to crash, resulting in a denial of service, or possibly

execute arbitrary code.

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for this issue 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-5570-2

Plugin Details

Severity: Critical

ID: 166179

File Name: ubuntu_USN-5570-2.nasl

Version: 1.6

Type: local

Agent: unix

Published: 10/18/2022

Updated: 8/27/2024

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless 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-2022-37434

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:20.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:libx32z1-dev, p-cpe:/a:canonical:ubuntu_linux:zlib1g, p-cpe:/a:canonical:ubuntu_linux:zlib1g-dev, p-cpe:/a:canonical:ubuntu_linux:lib32z1, p-cpe:/a:canonical:ubuntu_linux:lib32z1-dev, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:lib64z1, p-cpe:/a:canonical:ubuntu_linux:libx32z1, p-cpe:/a:canonical:ubuntu_linux:lib64z1-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: 10/17/2022

Vulnerability Publication Date: 8/5/2022

Reference Information

CVE: CVE-2022-37434

USN: 5570-2