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TITLE:
Kaspersky Online Scanner ActiveX Control Format String Vulnerability

SECUNIA ADVISORY ID:
SA27187

VERIFY ADVISORY:
http://secunia.com/advisories/27187/

CRITICAL:
Highly critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
Kaspersky Online Scanner 5.x
http://secunia.com/product/12705/

DESCRIPTION:
A vulnerability has been reported in Kaspersky Online Scanner, which
can be exploited by malicious people to compromise a user's system.

The vulnerability is caused due to a format string error in the
kavwebscan.CKAVWebScan ActiveX control (kavwebscan.dll) when
processing arguments passed to certain unspecified methods. This can
be exploited to execute arbitrary code when a user e.g. visits a
malicious website.

The vulnerability affects versions 5.0.93.1 and prior.

SOLUTION:
Update to version 5.0.98.0.
http://www.kaspersky.com/kos/eng/partner/default/kavwebscan.html

PROVIDED AND/OR DISCOVERED BY:
Discovered by Stephen Fewer of Harmony Security and reported via
iDefense Labs.

ORIGINAL ADVISORY:
Kaspersky:
http://www.kaspersky.com/news?id=207575572

iDefense Labs:
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=606

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