GLSA-202212-07 : libksba: Remote Code Execution

high Nessus Plugin ID 169408


The remote host is affected by the vulnerability described in GLSA-202212-07 (libksba: Remote Code Execution)

- Libksba before 1.6.3 is prone to an integer overflow vulnerability in the CRL signature parser.

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

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


All libksba users should upgrade to the latest version:

# emerge --sync # emerge --ask --oneshot --verbose >=dev-libs/libksba-1.6.3

See Also

Plugin Details

Severity: High

ID: 169408

File Name: gentoo_GLSA-202212-07.nasl

Version: 1.1

Type: local

Published: 12/28/2022

Updated: 2/10/2023

Risk Information


Risk Factor: High

Score: 8.4


Risk Factor: High

Base Score: 7.6

Temporal Score: 5.6

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

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

CVSS Score Source: CVE-2022-3515


Risk Factor: High

Base Score: 8.1

Temporal Score: 7.1

Vector: CVSS:3.0/AV:N/AC:H/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:gentoo:linux:libksba, cpe:/o:gentoo:linux

Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list

Exploit Ease: No known exploits are available

Patch Publication Date: 12/28/2022

Vulnerability Publication Date: 10/7/2022

Reference Information

CVE: CVE-2022-3515, CVE-2022-47629

IAVA: 2023-A-0072