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Opera BitTorrent Header Parsing Vulnerability
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Secunia Advisory:
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SA26138
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Release Date:
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2007-07-19
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Last Update:
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2007-07-27
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Popularity:
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12,552 views
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Critical:
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Highly critical
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Impact:
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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: | Opera 9.x
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| CVE reference: | CVE-2007-3929
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Description:
A vulnerability has been reported in Opera, which can be exploited by malicious people to compromise a user's system
The vulnerability is caused due to Opera using already freed memory when parsing BitTorrent headers and can lead to an invalid object pointer being dereferenced. This can be exploited to execute arbitrary code, when the user is tricked into clicking on a specially crafted BitTorrent file and then removes it via a right-click from the download pane.
The vulnerability is reported in version 9.21 on Windows. Other versions may also be affected.
Solution:
Update to version 9.22.
Provided and/or discovered by:
Discovered by enhalos and reported via iDefense Labs.
Changelog:
2007-07-27: Added CVE reference.
Original Advisory:
Opera:
http://www.opera.com/docs/changelogs/windows/922/
iDefense:
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=564
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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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