SB2012011912 - Amazon Linux AMI update for libxml2



SB2012011912 - Amazon Linux AMI update for libxml2

Published: January 19, 2012

Security Bulletin ID SB2012011912
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Out-of-bounds read (CVE-ID: CVE-2011-3905)

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

libxml2, as used in Google Chrome before 16.0.912.63, allows remote attackers to cause a denial of service (out-of-bounds read) via unspecified vectors.


2) Heap-based buffer overflow (CVE-ID: CVE-2011-3919)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in Heap-based buffer overflow in libxml2, as used in Google Chrome before 16.0.912.75,. A remote attacker can use unknown vectors. to trigger heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install update from vendor's website.