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Firefox "contentWindow.focus()" Deleted Object Reference Vulnerability
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Secunia Advisory:
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SA19802
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Release Date:
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2006-04-25
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Last Update:
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2006-05-03
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Popularity:
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37,139 views
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Critical:
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Highly critical
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Impact:
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DoS
System access
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Where:
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From remote
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Solution Status:
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Vendor Patch
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| Software: | Mozilla Firefox 1.x
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| | CVE reference: | CVE-2006-1993
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Description:
A vulnerability has been reported in Firefox, which can be exploited by malicious people to cause a DoS (Denial of Service) and potentially compromise a user's system.
The vulnerability is caused due to a reference to a deleted object when designMode is enabled. This can be exploited to corrupt the memory and cause a crash by calling the "contentWindow.focus()" method on a container with specially crafted content.
Successful exploitation may allow execution of arbitrary code.
The vulnerability has been reported in versions 1.5 through 1.5.0.2.
Solution:
Update to version 1.5.0.3.
http://www.mozilla.com/firefox/
Provided and/or discovered by:
Martijn Wargers, Nick Mott, splices, spiffomatic64, and Securident Technologies.
Changelog:
2006-04-26: Added CVE reference and link to Bugzilla entry, and updated "Description" section.
2006-05-03: Added link to US-CERT vulnerability note. The vendor discloses additional details. Updated advisory.
Original Advisory:
http://www.securident.com/vuln/ff.txt
http://www.mozilla.org/security/announce/2006/mfsa2006-30.html
Other References:
https://bugzilla.mozilla.org/show_bug.cgi?id=334515
US-CERT VU#866300:
http://www.kb.cert.org/vuls/id/866300
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About this Secunia Advisory
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
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