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Debian DLA-668-1 : libass security update

high Nessus Plugin ID 94142

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Synopsis

The remote Debian host is missing a security update.

Description

Several vulnerabilities were discovered in libass, a library for manipulating the SubStation Alpha (SSA) subtitle file format. The Common Vulnerabilities and Exposures project identifies the following issues.

CVE-2016-7969 Mode 0/3 line wrapping equalization in specific cases which could result in illegal reads while laying out and shaping text.

CVE-2016-7972 Memory reallocation issue in the shaper which lead to undefined behavior

For Debian 7 'Wheezy', these problems have been fixed in version 0.10.0-3+deb7u1.

We recommend that you upgrade your libass packages.

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

Solution

Upgrade the affected libass-dev, and libass4 packages.

See Also

https://lists.debian.org/debian-lts-announce/2016/10/msg00023.html

https://packages.debian.org/source/wheezy/libass

Plugin Details

Severity: High

ID: 94142

File Name: debian_DLA-668.nasl

Version: 2.6

Type: local

Agent: unix

Published: 10/20/2016

Updated: 1/11/2021

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:libass4, p-cpe:/a:debian:debian_linux:libass-dev, cpe:/o:debian:debian_linux:7.0

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

Exploit Ease: No known exploits are available

Patch Publication Date: 10/19/2016

Reference Information

CVE: CVE-2016-7969, CVE-2016-7972