Check Point Advisories

Opera Browser Document Writing Uninitialized Memory Access (CVE-2010-1728)

Vulnerability
Protection

Check Point Reference:	CPAI-2010-423
Date Published:	10 Jun 2010
Severity:	Medium
Last Updated:	Thursday 10 June, 2010
Source:
Industry Reference:	CVE-2010-1728
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description	Opera is a web browser and Internet suite developed by the Opera Software company. It handles common Internet-related tasks such as displaying web sites, sending and receiving e-mail messages, managing contacts, IRC online chatting, downloading files via BitTorrent, and reading web feeds. An uninitialized memory access vulnerability has been reported in Opera web browser. The vulnerability is due to an error while handling asynchronous modifications to an HTML document. A remote attacker can exploit this issue by enticing a target user to open a specifically crafted web page. Successful exploitation of this vulnerability will crash the browser, and may allow execution of arbitrary code on the vulnerable system.

Protection Overview

This protection will detect and block attempts to exploit this vulnerability.

In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.

Security Gateway R80 / R77 / R75

In the IPS tab, click Protections and find the Opera Browser Document Writing Uninitialized Memory Access protection using the Search tool and Edit the protection's settings.
Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name: Web Client Enforcement Violation.
Attack Information: Opera browser document writing uninitialized memory access