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GLSA-202212-07 : libksba: Remote Code Execution

critical Nessus Plugin ID 169408

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Description

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.
 (CVE-2022-47629)

 - 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.

Solution

All libksba users should upgrade to the latest version:

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

See Also

https://security.gentoo.org/glsa/202212-07

https://bugs.gentoo.org/show_bug.cgi?id=877453

Plugin Details

Severity: Critical

ID: 169408

File Name: gentoo_GLSA-202212-07.nasl

Version: 1.2

Type: local

Published: 12/28/2022

Updated: 9/11/2023

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.4

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-2022-47629

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: cpe:/o:gentoo:linux, p-cpe:/a:gentoo:linux:libksba

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

Exploit Available: true

Exploit Ease: 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