Amazon Linux 2 : libksba (ALAS-2023-2041)

critical Nessus Plugin ID 175971

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Synopsis

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

Description

The version of libksba installed on the remote host is prior to 1.3.0-6. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2023-2041 advisory.

- Libksba before 1.6.3 is prone to an integer overflow vulnerability in the CRL signature parser.
(CVE-2022-47629)

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 libksba' to update your system.

Plugin Details

Severity: Critical

ID: 175971

File Name: al2_ALAS-2023-2041.nasl

Version: 1.0

Type: local

Agent: unix

Family: Amazon Linux Local Security Checks

Published: 5/17/2023

Updated: 5/17/2023

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

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

CVSS Score Source: CVE-2022-47629

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:libksba, p-cpe:/a:amazon:linux:libksba-debuginfo, cpe:/o:amazon:linux:2, p-cpe:/a:amazon:linux:libksba-devel

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

Exploit Ease: No known exploits are available

Patch Publication Date: 5/11/2023

Vulnerability Publication Date: 12/20/2022

Reference Information

CVE: CVE-2022-47629

IAVA: 2023-A-0072

Detections

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