Microsoft Internet Explorer onUnload handler denial of service
| ie-onunload-dos (32647) |  Low Risk |
Description:
Microsoft Internet Explorer is vulnerable to a denial of service, caused by improper handling of JavaScript onUnload handlers. A remote attacker could exploit this vulnerability by creating a specially-crafted Web page to cause the browser to hang, if the attacker could persuade the victim to visit the malicious site.
Platforms Affected:
- Microsoft, Internet Explorer 7
Remedy:
No remedy available as of July 13, 2008.
Consequences:
Denial of Service
References:
- Full-Disclosure Mailing List, Thu Feb 22 2007 - 19:29:00 CST, MSIE7 browser entrapment vulnerability (probably Firefox, too) at http://archives.neohapsis.com/archives/fulldisclosure/2007-02/0524.html.
- Microsoft Internet Explorer Web site, Internet Explorer: Home Page at http://www.microsoft.com/windows/products/winfamily/ie/default.mspx.
- BID-22678: Microsoft Internet Explorer OnUnload Null Pointer Dereference Vulnerability
- CVE-2007-1094: Microsoft Internet Explorer 7 allows remote attackers to cause a denial of service (NULL dereference and application crash) via JavaScript onUnload handlers that modify the structure of a document.
Reported:
Feb 23, 2007
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