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Firefox "OnKeyDown" Event Focus Weakness
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Secunia Advisory:
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SA25904
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Release Date:
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2007-07-02
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Last Update:
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2007-10-19
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Popularity:
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15,775 views
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Critical:
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Not critical
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Impact:
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Exposure of sensitive information
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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
Mozilla Firefox 2.0.x
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Subscribe:
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| CVE reference: | CVE-2007-3511
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Description:
A weakness has been discovered in Firefox, which potentially can be exploited by malicious people to disclose sensitive information.
The weakness is caused due to a design error within the focus handling of form fields and can potentially be exploited by changing the focus from a "textarea" field to a "file upload" form field via the "OnKeyDown" event.
Successful exploitation allows an arbitrary file on the user's system to be uploaded to a malicious web site, but requires that the user is tricked into typing the file name into a "textarea" input form.
The weakness is confirmed in version 2.0.0.4. Other versions may also be affected.
Solution:
Update to version 2.0.0.8.
Provided and/or discovered by:
Hong
Changelog:
2007-07-04: Added CVE reference.
2007-10-19: Updated "Solution" and credits section. Added links to "Original Advisory" section.
Original Advisory:
Mozilla Foundation:
http://www.mozilla.org/security/announce/2007/mfsa2007-32.html
http://sla.ckers.org/forum/read.php?3,13142
http://archives.neohapsis.com/archives/fulldisclosure/2007-06/0646.html
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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.
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