Amazon Linux 2 : libksba (ALAS-2022-1890)

critical Nessus Plugin ID 168445


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


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 ALAS2-2022-1890 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: 168445

File Name: al2_ALAS-2022-1890.nasl

Version: 1.5

Type: local

Agent: unix

Published: 12/7/2022

Updated: 9/20/2023

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

Risk Information


Risk Factor: Medium

Score: 6.7


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-2022-3515


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

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: 12/1/2022

Vulnerability Publication Date: 10/26/2022

Reference Information

CVE: CVE-2022-3515

IAVA: 2023-A-0072