Thread-topic: [SA26138] Opera BitTorrent Header Parsing Vulnerability
> Opera BitTorrent Header Parsing Vulnerability
> SECUNIA ADVISORY ID:
> VERIFY ADVISORY:
> Highly critical
> System access
> From remote
> Opera 9.x
> 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.
> Update to version 9.22.
> PROVIDED AND/OR DISCOVERED BY:
> Discovered by enhalos and reported via iDefense Labs.
> ORIGINAL ADVISORY: