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Firefox "wyciwyg://" Handler Vulnerability
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Secunia Advisory:
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SA25990
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Release Date:
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2007-07-10
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Last Update:
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2007-07-18
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Popularity:
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12,208 views
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Critical:
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Less critical
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Impact:
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Spoofing
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 2.0.x
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| CVE reference: | CVE-2007-3656
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Description:
Michal Zalewski has discovered a vulnerability in Mozilla Firefox, which can be exploited by malicious people to disclose sensitive information and conduct spoofing attacks.
The vulnerability is caused due to an error in the handling of the "wyciwyg://" URI handler. This can be exploited to access or spoof contents from a previously cached web site e.g. via HTTP 302 redirects when a user visits a malicious web page.
The vulnerability is confirmed in version 2.0.0.4. Other versions may also be affected.
Solution:
Update to version 2.0.0.5.
Provided and/or discovered by:
Michal Zalewski
Changelog:
2007-07-11: Added CVE reference.
2007-07-18: Updated "Solution" section. Added link to vendor advisory.
Original Advisory:
Mozilla:
http://www.mozilla.org/security/announce/2007/mfsa2007-24.html
http://lcamtuf.coredump.cx/ffcache/
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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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