Detections
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EulerOS 2.0 SP10 : libksba (EulerOS-SA-2023-1553)

critical Nessus Plugin ID 172719

Synopsis

The remote EulerOS host is missing multiple security updates.

Description

According to the versions of the libksba package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

 - 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)

 - Libksba before 1.6.3 is prone to an integer overflow vulnerability in the CRL signature parser.
 (CVE-2022-47629)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Update the affected libksba packages.

See Also

http://www.nessus.org/u?cd23b296

Plugin Details

Severity: Critical

ID: 172719

File Name: EulerOS_SA-2023-1553.nasl

Version: 1.1

Type: local

Published: 3/19/2023

Updated: 8/30/2023

Supported Sensors: 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-2022-47629

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: p-cpe:/a:huawei:euleros:libksba, cpe:/o:huawei:euleros:2.0

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

Excluded KB Items: Host/EulerOS/uvp_version

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 3/18/2023

Vulnerability Publication Date: 10/7/2022

Reference Information

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

IAVA: 2023-A-0072