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AlmaLinux 8 : libtasn1 (ALSA-2023:0116)

critical Nessus Plugin ID 170084

Synopsis

The remote AlmaLinux host is missing a security update.

Description

The remote AlmaLinux 8 host has packages installed that are affected by a vulnerability as referenced in the ALSA-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://errata.almalinux.org/8/ALSA-2023-0116.html

Plugin Details

Severity: Critical

ID: 170084

File Name: alma_linux_ALSA-2023-0116.nasl

Version: 1.1

Type: local

Published: 1/16/2023

Updated: 9/7/2023

Supported Sensors: Continuous Assessment, 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: p-cpe:/a:alma:linux:libtasn1, cpe:/o:alma:linux:8, cpe:/o:alma:linux:8::baseos, p-cpe:/a:alma:linux:libtasn1-devel, cpe:/o:alma:linux:8::appstream, p-cpe:/a:alma:linux:libtasn1-tools

Required KB Items: Host/local_checks_enabled, Host/AlmaLinux/release, Host/AlmaLinux/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

CWE: 125, 193