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Ubuntu 10.04 LTS / 12.04 LTS / 12.10 / 13.04 : libxml2 vulnerabilities (USN-1904-1)

medium Nessus Plugin ID 68903

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Synopsis

The remote Ubuntu host is missing a security-related patch.

Description

It was discovered that libxml2 would load XML external entities by default. If a user or automated system were tricked into opening a specially crafted document, an attacker could possibly obtain access to arbitrary files or cause resource consumption. This issue only affected Ubuntu 10.04 LTS, Ubuntu 12.04 LTS, and Ubuntu 12.10.
(CVE-2013-0339)

It was discovered that libxml2 incorrectly handled documents that end abruptly. If a user or automated system were tricked into opening a specially crafted document, an attacker could possibly cause libxml2 to crash, resulting in a denial of service. (CVE-2013-2877).

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 libxml2 package.

See Also

https://usn.ubuntu.com/1904-1/

Plugin Details

Severity: Medium

ID: 68903

File Name: ubuntu_USN-1904-1.nasl

Version: 1.18

Type: local

Agent: unix

Published: 7/16/2013

Updated: 9/19/2019

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:libxml2, cpe:/o:canonical:ubuntu_linux:10.04:-:lts, cpe:/o:canonical:ubuntu_linux:12.04:-:lts, cpe:/o:canonical:ubuntu_linux:12.10, cpe:/o:canonical:ubuntu_linux:13.04

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

Exploit Ease: No known exploits are available

Patch Publication Date: 7/15/2013

Vulnerability Publication Date: 7/10/2013

Reference Information

CVE: CVE-2013-0339, CVE-2013-2877

BID: 59000, 61050

USN: 1904-1