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Amazon Linux 2 : zlib (ALAS-2022-1849)

critical Nessus Plugin ID 165996

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Synopsis

The remote Amazon Linux 2 host is missing a security update.

Description

The version of zlib installed on the remote host is prior to 1.2.7-19. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2022-1849 advisory.

 A security vulnerability was found in zlib. The flaw triggered a heap-based buffer in inflate in the inflate.c function via a large gzip header extra field. This flaw is only applicable in the call inflateGetHeader. (CVE-2022-37434)

Tenable has extracted the preceding description block directly from the tested product 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

Run 'yum update zlib' to update your system.

See Also

https://alas.aws.amazon.com/AL2/ALAS-2022-1849.html

https://alas.aws.amazon.com/cve/html/CVE-2022-37434.html

Plugin Details

Severity: Critical

ID: 165996

File Name: al2_ALAS-2022-1849.nasl

Version: 1.5

Type: local

Agent: unix

Published: 10/10/2022

Updated: 12/11/2024

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Nessus Agent, 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: p-cpe:/a:amazon:linux:minizip-devel, p-cpe:/a:amazon:linux:zlib, p-cpe:/a:amazon:linux:zlib-static, p-cpe:/a:amazon:linux:zlib-debuginfo, cpe:/o:amazon:linux:2, p-cpe:/a:amazon:linux:minizip, p-cpe:/a:amazon:linux:zlib-devel

Required KB Items: Host/local_checks_enabled, Host/AmazonLinux/release, Host/AmazonLinux/rpm-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/15/2022

Vulnerability Publication Date: 8/5/2022

Reference Information

CVE: CVE-2022-37434