RHEL 4 : libxml2 (RHSA-2012:0016)

critical Nessus Plugin ID 57491

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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 4 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2012:0016 advisory.

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

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

- libxml2 out of bounds read (CVE-2011-3905)

- libxml2: Heap-based buffer overflow when decoding an entity reference with a long name (CVE-2011-3919)

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-2012:0016.

Plugin Details

Severity: Critical

ID: 57491

File Name: redhat-RHSA-2012-0016.nasl

Version: 1.22

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 1/12/2012

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: 6.9

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

CVSS Score Source: CVE-2011-0216

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

CVSS Score Source: CVE-2011-3919

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, cpe:/o:redhat:enterprise_linux:4

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

Exploit Ease: No known exploits are available

Patch Publication Date: 1/11/2012

Vulnerability Publication Date: 7/21/2011

Reference Information

CVE: CVE-2011-0216, CVE-2011-2834, CVE-2011-3905, CVE-2011-3919

CWE: 122, 125

RHSA: 2012:0016

Detections

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