Check Point Advisories

Yahoo Messenger AudioConf ActiveX Control Buffer Overflow (CVE-2007-1680)

Check Point Reference: CPAI-2007-253
Date Published: 4 May 2010
Severity: Medium
Last Updated: Tuesday 04 May, 2010
Source:
Industry Reference:CVE-2007-1680
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description Yahoo! Messenger is an instant messaging communicating application developed by Yahoo! Inc. One of the features that Yahoo! Messenger provides is the ability to create conference rooms. Yahoo! Messenger users can create a conference room and invite other users to join the conference. The conference can be set up with voice enabled. Yahoo! Audio Conferencing Control ActiveX in the Yahoo! Messenger installation is used to handle the audio in the conference room. There exists a buffer overflow vulnerability in Yahoo! Messenger. The vulnerability is caused due to a boundary error within the AudioConf ActiveX control component of Yahoo! Messenger. A remote attacker can exploit this vulnerability by enticing the target user to open a malicious web page. Successful exploitation would allow for arbitrary code injection and execution with the privileges of the currently logged-in user. In an attack case where code injection is not successful, the affected application will terminate abnormally. In a more sophisticated attack where code injection is successful, the behavior of the target host is entirely dependent on the intended function of the injected code. The code in such a case would execute within the security context of the currently logged in user.

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

  1. In the IPS tab, click Protections and find the Yahoo Messenger AudioConf ActiveX Control Buffer Overflow protection using the Search tool and Edit the protection's settings.
  2. Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name:  Web Client Enforcement Violation.
Attack Information:  Yahoo Messenger AudioConf ActiveX Control buffer overflow

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