Ubuntu 12.04 LTS / 14.04 LTS / 15.10 / 16.04 LTS : expat vulnerabilities (USN-3010-1)

high Nessus Plugin ID 91726

Synopsis

The remote Ubuntu host is missing one or more security-related patches.

Description

It was discovered that Expat unexpectedly called srand in certain circumstances. This could reduce the security of calling applications.
(CVE-2012-6702)

It was discovered that Expat incorrectly handled seeding the random number generator. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2016-5300).

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 lib64expat1 and / or libexpat1 packages.

See Also

https://usn.ubuntu.com/3010-1/

Plugin Details

Severity: High

ID: 91726

File Name: ubuntu_USN-3010-1.nasl

Version: 2.7

Type: local

Agent: unix

Published: 6/21/2016

Updated: 9/18/2019

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C

Temporal Vector: E:U/RL:OF/RC:C

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: E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:lib64expat1, p-cpe:/a:canonical:ubuntu_linux:libexpat1, cpe:/o:canonical:ubuntu_linux:12.04:-:lts, cpe:/o:canonical:ubuntu_linux:14.04, cpe:/o:canonical:ubuntu_linux:15.10, cpe:/o:canonical:ubuntu_linux:16.04

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

Exploit Ease: No known exploits are available

Patch Publication Date: 6/20/2016

Vulnerability Publication Date: 6/16/2016

Reference Information

CVE: CVE-2012-6702, CVE-2016-5300

USN: 3010-1