Ubuntu 14.04 LTS / 16.04 LTS : Libtasn1 vulnerability (USN-3309-1)

high Nessus Plugin ID 100633

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Synopsis

The remote Ubuntu host is missing a security update.

Description

Jakub Jirasek discovered that GnuTLS incorrectly handled certain assignments files. If a user were tricked into processing a specially crafted assignments file, a remote attacker could possibly execute arbirary code.

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

Solution

Update the affected packages.

Plugin Details

Severity: High

ID: 100633

File Name: ubuntu_USN-3309-1.nasl

Version: 3.10

Type: local

Agent: unix

Family: Ubuntu Local Security Checks

Published: 6/6/2017

Updated: 10/20/2023

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2017-6891

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

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

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

Vulnerability Information

CPE: 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, cpe:/o:canonical:ubuntu_linux:14.04:-:lts, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:libtasn1-3-bin, p-cpe:/a:canonical:ubuntu_linux:libtasn1-3-dev

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

Exploit Ease: No known exploits are available

Patch Publication Date: 6/5/2017

Vulnerability Publication Date: 5/22/2017

Reference Information

CVE: CVE-2017-6891

USN: 3309-1

Detections

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