RHEL 8 : libksba (RHSA-2023:0592)

critical Nessus Plugin ID 171037

Synopsis

The remote Red Hat host is missing a security update for libksba.

Description

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2023:0592 advisory.

KSBA (pronounced Kasbah) is a library to make X.509 certificates as well as the CMS easily accessible by other applications. Both specifications are building blocks of S/MIME and TLS.

Security Fix(es):

* libksba: integer overflow to code executiona (CVE-2022-47629)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

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 RHEL libksba package based on the guidance in RHSA-2023:0592.

See Also

http://www.nessus.org/u?d71431a9

https://access.redhat.com/security/updates/classification/#important

https://bugzilla.redhat.com/show_bug.cgi?id=2161571

https://access.redhat.com/errata/RHSA-2023:0592

Plugin Details

Severity: Critical

ID: 171037

File Name: redhat-RHSA-2023-0592.nasl

Version: 1.5

Type: local

Agent: unix

Published: 2/6/2023

Updated: 11/7/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

Vendor

Vendor Severity: Important

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:redhat:rhel_aus:8.2, p-cpe:/a:redhat:enterprise_linux:libksba, cpe:/o:redhat:rhel_tus:8.2, cpe:/o:redhat:rhel_e4s:8.2

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

Exploit Ease: No known exploits are available

Patch Publication Date: 2/6/2023

Vulnerability Publication Date: 12/20/2022

Reference Information

CVE: CVE-2022-47629

CWE: 190

IAVA: 2023-A-0072

RHSA: 2023:0592