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Mandriva Linux Security Advisory : libxml2 (MDVSA-2013:056)

medium Nessus Plugin ID 66070

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Synopsis

The remote Mandriva Linux host is missing one or more security updates.

Description

Multiple vulnerabilities was found and corrected in libxml2 :

A heap-buffer overflow was found in the way libxml2 decoded certain XML entitites. A remote attacker could provide a specially crafted XML file, which once opened in an application linked against libxml would cause that application to crash, or, potentially, execute arbitrary code with the privileges of the user running the application (CVE-2012-5134).

A denial of service flaw was found in the way libxml2 performed string substitutions when entity values for entity references replacement was enabled. A remote attacker could provide a specially crafted XML file that, when processed by an application linked against libxml2, would lead to excessive CPU consumption (CVE-2013-0338).

An Off-by-one error in libxml2 allows remote attackers to cause a denial of service (out-of-bounds write) or possibly have unspecified other impact via unknown vectors (CVE-2011-3102).

Multiple integer overflows in libxml2, on 64-bit Linux platforms allow remote attackers to cause a denial of service or possibly have unspecified other impact via unknown vectors (CVE-2012-2807).

The updated packages have been patched to correct these issues.

Solution

Update the affected packages.

See Also

https://bugzilla.redhat.com/show_bug.cgi?id=912400

Plugin Details

Severity: Medium

ID: 66070

File Name: mandriva_MDVSA-2013-056.nasl

Version: 1.13

Type: local

Published: 4/20/2013

Updated: 1/6/2021

Supported Sensors: 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

Vulnerability Information

CPE: p-cpe:/a:mandriva:linux:lib64xml2-devel, p-cpe:/a:mandriva:linux:lib64xml2_2, p-cpe:/a:mandriva:linux:libxml2-python, p-cpe:/a:mandriva:linux:libxml2-utils, cpe:/o:mandriva:business_server:1

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/Mandrake/release, Host/Mandrake/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 4/8/2013

Reference Information

CVE: CVE-2011-3102, CVE-2012-2807, CVE-2012-5134, CVE-2013-0338

BID: 53540, 54718, 56684, 58180

MDVSA: 2013:056