Detections
Analytics

Ubuntu 16.04 ESM : Libtasn1 vulnerability (USN-5352-1)

medium Nessus Plugin ID 159328

Language:

Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 16.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-5352-1 advisory.

 - GNU Libtasn1-4.13 libtasn1-4.13 version libtasn1-4.13, libtasn1-4.12 contains a DoS, specifically CPU usage will reach 100% when running asn1Paser against the POC due to an issue in
 _asn1_expand_object_id(p_tree), after a long time, the program will be killed. This attack appears to be exploitable via parsing a crafted file. (CVE-2018-1000654)

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 packages.

See Also

https://ubuntu.com/security/notices/USN-5352-1

Plugin Details

Severity: Medium

ID: 159328

File Name: ubuntu_USN-5352-1.nasl

Version: 1.5

Type: local

Agent: unix

Published: 3/30/2022

Updated: 10/23/2023

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: High

Base Score: 7.1

Temporal Score: 5.6

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

CVSS Score Source: CVE-2018-1000654

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 5

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

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

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:16.04:-:esm, p-cpe:/a:canonical:ubuntu_linux:libtasn1-3-bin, p-cpe:/a:canonical:ubuntu_linux:libtasn1-6, p-cpe:/a:canonical:ubuntu_linux:libtasn1-6-dev, p-cpe:/a:canonical:ubuntu_linux:libtasn1-bin

Required KB Items: Host/cpu, Host/Ubuntu, Host/Ubuntu/release, Host/Debian/dpkg-l

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 3/28/2022

Vulnerability Publication Date: 8/12/2018

Reference Information

CVE: CVE-2018-1000654

USN: 5352-1