RHEL 6 : libxml2 (RHSA-2011:1749)

critical Nessus Plugin ID 57022

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Synopsis

The remote Red Hat host is missing one or more security updates for libxml2.

Description

The remote Redhat Enterprise Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2011:1749 advisory.

- libxml2: Crash (stack frame overflow or NULL pointer dereference) by traversal of XPath axis (CVE-2010-4008)

- libxml2: double-free in XPath processing code (CVE-2010-4494)

- libxml2: Off-by-one error leading to heap-based buffer overflow in encoding (CVE-2011-0216)

- libxml, libxml2: Heap-based buffer overflow by adding new namespace node to an existing nodeset or merging nodesets (CVE-2011-1944)

- libxml2: double free caused by malformed XPath expression in XSLT (CVE-2011-2821)

- libxml2: double-free caused by malformed XPath expression in XSLT (CVE-2011-2834)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the RHEL libxml2 package based on the guidance in RHSA-2011:1749.

Plugin Details

Severity: Critical

ID: 57022

File Name: redhat-RHSA-2011-1749.nasl

Version: 1.25

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 12/6/2011

Updated: 4/27/2024

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: High

Base Score: 9.3

Temporal Score: 7.3

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

CVSS Score Source: CVE-2011-1944

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

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:P/RL:O/RC:C

CVSS Score Source: CVE-2011-2834

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:libxml2, p-cpe:/a:redhat:enterprise_linux:libxml2-devel, p-cpe:/a:redhat:enterprise_linux:libxml2-python, p-cpe:/a:redhat:enterprise_linux:libxml2-static, cpe:/o:redhat:enterprise_linux:6

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 12/6/2011

Vulnerability Publication Date: 11/16/2010

Reference Information

CVE: CVE-2010-4008, CVE-2010-4494, CVE-2011-0216, CVE-2011-1944, CVE-2011-2821, CVE-2011-2834

BID: 44779, 45617, 48056, 48832, 49279, 49658

CWE: 122, 476, 672

RHSA: 2011:1749

Detections

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