Ubuntu 14.04 LTS / 16.04 LTS : Expat vulnerability (USN-2983-1)

critical Nessus Plugin ID 91259

Synopsis

The remote Ubuntu host is missing a security update.

Description

Gustavo Grieco discovered that Expat incorrectly handled malformed XML data. If a user or application linked against Expat were tricked into opening a crafted XML file, an attacker could cause a denial of service, or possibly execute arbitrary code. (CVE-2016-0718).

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.

See Also

https://ubuntu.com/security/notices/USN-2983-1

Plugin Details

Severity: Critical

ID: 91259

File Name: ubuntu_USN-2983-1.nasl

Version: 2.17

Type: local

Agent: unix

Published: 5/19/2016

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: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2016-0718

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/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:lib64expat1, p-cpe:/a:canonical:ubuntu_linux:lib64expat1-dev, p-cpe:/a:canonical:ubuntu_linux:libexpat1, p-cpe:/a:canonical:ubuntu_linux:libexpat1-dev, p-cpe:/a:canonical:ubuntu_linux:libexpat1-udeb, cpe:/o:canonical:ubuntu_linux:14.04:-:lts, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:expat

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

Exploit Ease: No known exploits are available

Patch Publication Date: 5/18/2016

Vulnerability Publication Date: 5/26/2016

Reference Information

CVE: CVE-2016-0718

USN: 2983-1