Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS : Libksba vulnerability (USN-5787-1)

critical Nessus Plugin ID 169583

Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS / 22.10 host has packages installed that are affected by a vulnerability as referenced in the USN-5787-1 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

Update the affected libksba-dev, libksba-mingw-w64-dev and / or libksba8 packages.

See Also

https://ubuntu.com/security/notices/USN-5787-1

Plugin Details

Severity: Critical

ID: 169583

File Name: ubuntu_USN-5787-1.nasl

Version: 1.4

Type: local

Agent: unix

Published: 1/5/2023

Updated: 10/16/2023

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

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: cpe:/o:canonical:ubuntu_linux:18.04:-:lts, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:libksba-dev, p-cpe:/a:canonical:ubuntu_linux:libksba-mingw-w64-dev, p-cpe:/a:canonical:ubuntu_linux:libksba8

Required KB Items: Host/cpu, Host/Ubuntu, Host/Ubuntu/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 1/5/2023

Vulnerability Publication Date: 12/20/2022

Reference Information

CVE: CVE-2022-47629

IAVA: 2023-A-0072

USN: 5787-1