SB2011090203 - Heap-based buffer overflow in Libxml2 



SB2011090203 - Heap-based buffer overflow in Libxml2

Published: September 2, 2011 Updated: July 28, 2020

Security Bulletin ID SB2011090203
Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Heap-based buffer overflow (CVE-ID: CVE-2011-1944)

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

The vulnerability exists due to a boundary error in Integer overflow in xpath.c in libxml2 2.6.x through 2.6.32 and 2.7.x through 2.7.8, and libxml 1.8.16 and earlier,. A remote attacker can use a crafted XML file that triggers a heap-based buffer overflow when adding a new namespace node 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.