[security-alerts] FW: [SA26138] Opera BitTorrent Header Parsing Vulnerability

["Kazennov, Vladimir" <Vladimir.Kazennov@xxxxxxxxxx>]

>
> TITLE:
> Opera BitTorrent Header Parsing Vulnerability
>
> SECUNIA ADVISORY ID:
> SA26138
>
> VERIFY ADVISORY:
> http://secunia.com/advisories/26138/
>
> CRITICAL:
> Highly critical
>
> IMPACT:
> System access
>
> WHERE:
> From remote
>
> SOFTWARE:
> Opera 9.x
> http://secunia.com/product/10615/
>
> 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.
>
> ORIGINAL ADVISORY:
> Opera:
> http://www.opera.com/docs/changelogs/windows/922/
>
> iDefense:
> http://labs.idefense.com/intelligence/vulnerabilities/display.
> php?id=564
>