Amazon Linux AMI : libksba (ALAS-2022-1649)

critical Nessus Plugin ID 168605


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


The version of libksba installed on the remote host is prior to 1.3.5-1.10. It is, therefore, affected by a vulnerability as referenced in the ALAS-2022-1649 advisory.

- libksba: integer overflow may lead to remote code execution (CVE-2022-3515)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.


Run 'yum update libksba' to update your system.

See Also

Plugin Details

Severity: Critical

ID: 168605

File Name: ala_ALAS-2022-1649.nasl

Version: 1.4

Type: local

Agent: unix

Published: 12/10/2022

Updated: 2/10/2023

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

Risk Information


Risk Factor: Medium

Score: 6.7


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-2022-3515


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

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

Exploit Ease: No known exploits are available

Patch Publication Date: 12/1/2022

Vulnerability Publication Date: 10/26/2022

Reference Information

CVE: CVE-2022-3515

IAVA: 2023-A-0072