SUSE SLES12 Security Update : libtasn1 (SUSE-SU-2022:3797-1)

critical Nessus Plugin ID 166694

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Synopsis

The remote SUSE host is missing one or more security updates.

Description

The remote SUSE Linux SLES12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:3797-1 advisory.

Security issue fixed:

- CVE-2018-1000654: Fixed a denial of service in the asn1 parser (bsc#1105435).
- CVE-2017-6891: Added safety check to fix a stack overflow issue (bsc#1040621).
- CVE-2021-46848: Fixed off-by-one array size check that affects asn1_encode_simple_der (bsc#1204690)

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected libtasn1, libtasn1-6 and / or libtasn1-6-32bit packages.

Plugin Details

Severity: Critical

ID: 166694

File Name: suse_SU-2022-3797-1.nasl

Version: 1.6

Type: Local

Agent: unix

Family: SuSE Local Security Checks

Published: 10/28/2022

Updated: 6/26/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.12

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.3

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

CVSS Score Source: CVE-2017-6891

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

CVSS Score Source: CVE-2021-46848

Vulnerability Information

CPE: cpe:/o:novell:suse_linux:12, p-cpe:/a:novell:suse_linux:libtasn1, p-cpe:/a:novell:suse_linux:libtasn1-6, p-cpe:/a:novell:suse_linux:libtasn1-6-32bit

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: 10/27/2022

Vulnerability Publication Date: 5/22/2017

Reference Information

CVE: CVE-2017-6891, CVE-2018-1000654, CVE-2021-46848

SuSE: SUSE-SU-2022:3797-1

Detections

Analytics