SUSE SLES12 Security Update : libksba (SUSE-SU-2022:3681-1)

critical Nessus Plugin ID 166423

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Synopsis

The remote SUSE host is missing a security update.

Description

The remote SUSE Linux SLES12 / SLES_SAP12 host has a package installed that is affected by a vulnerability as referenced in the SUSE-SU-2022:3681-1 advisory.

- A vulnerability was found in the Libksba library due to an integer overflow within the CRL parser. The vulnerability can be exploited remotely for code execution on the target system by passing specially crafted data to the application, for example, a malicious S/MIME attachment. (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.

Solution

Update the affected libksba8 package.

See Also

https://bugzilla.suse.com/1204357

https://www.suse.com/security/cve/CVE-2022-3515

http://www.nessus.org/u?5205fd51

Plugin Details

Severity: Critical

ID: 166423

File Name: suse_SU-2022-3681-1.nasl

Version: 1.7

Type: local

Agent: unix

Published: 10/22/2022

Updated: 7/14/2023

Supported Sensors: Agentless Assessment, Continuous 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: 7.8

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

CVSS Score Source: CVE-2022-3515

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:novell:suse_linux:12, p-cpe:/a:novell:suse_linux:libksba8

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 10/21/2022

Vulnerability Publication Date: 10/7/2022

Reference Information

CVE: CVE-2022-3515

IAVA: 2023-A-0072

SuSE: SUSE-SU-2022:3681-1