Check Point Advisories

Mozilla Firefox onreadystatechange Use After Free (CVE-2013-1690)

Check Point Reference: CPAI-2013-2867
Date Published: 1 Sep 2013
Severity: High
Last Updated: Tuesday 21 January, 2025
Source: CVE-2013-1690
Protection Provided by:

Security Gateway
R75
Who is Vulnerable? Mozilla Foundation Firefox prior to 22.0
Mozilla Foundation Firefox ESR prior to 17.0.7
Mozilla Foundation Thunderbird prior to 17.0.7
Mozilla Foundation Thunderbird ESR prior to 17.0.7
Vulnerability Description A code execution vulnerability exists in Mozilla Firefox and Thunderbird.
Vulnerability DetailsThe vulnerability is caused by a Use-After-Free error when processing script code making use of the onreadystatechange event handler. A remote attacker could exploit this vulnerability by enticing the target user to open a malicious web page.

Protection Overview

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

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

Security Gateway R75 / R71 / R70

  1. In the IPS tab, click Protections and find the Mozilla Firefox onreadystatechange Use After Free protection using the Search tool and Edit the protection's settings.
  2. Install policy on all modules.

SmartView Tracker will log the following entries:
Attack Name: Web Client Enforcement Violation
Attack Information: Mozilla Firefox onreadystatechange Use After Free

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