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CentOS 8 : libtasn1 (CESA-2023:0116)

critical Nessus Plugin ID 190218

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Synopsis

The remote CentOS host is missing a security update.

Description

The remote CentOS Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CESA-2023:0116 advisory.

 - GNU Libtasn1 before 4.19.0 has an ETYPE_OK off-by-one array size check that affects asn1_encode_simple_der. (CVE-2021-46848)

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 libtasn1, libtasn1-devel and / or libtasn1-tools packages.

See Also

https://access.redhat.com/errata/RHSA-2023:0116

Plugin Details

Severity: Critical

ID: 190218

File Name: centos8_RHSA-2023-0116.nasl

Version: 1.0

Type: local

Agent: unix

Published: 2/8/2024

Updated: 2/8/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.0

CVSS v2

Risk Factor: High

Base Score: 9.4

Temporal Score: 7.4

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

CVSS Score Source: CVE-2021-46848

CVSS v3

Risk Factor: Critical

Base Score: 9.1

Temporal Score: 8.2

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:centos:centos:8-stream, p-cpe:/a:centos:centos:libtasn1-tools, p-cpe:/a:centos:centos:libtasn1-devel, p-cpe:/a:centos:centos:libtasn1

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 1/12/2023

Vulnerability Publication Date: 10/24/2022

Reference Information

CVE: CVE-2021-46848

RHSA: 2023:0116