TITLE:
Internet Explorer Unspecified Automatic .HTA Application Execution

SECUNIA ADVISORY ID:
SA19378

VERIFY ADVISORY:
http://secunia.com/advisories/19378/

CRITICAL:
Highly critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
Microsoft Internet Explorer 6.x
http://secunia.com/product/11/

DESCRIPTION:
Jeffrey van der Stad has reported a vulnerability in Internet
Explorer, which can be exploited by malicious people to compromise a
user's system.

The vulnerability is caused due to an unspecified error when handling
.HTA applications and allows execution of the .HTA application on the
user's system without any user interaction when e.g. visiting a
malicious web site.

The vulnerability has been reported in Internet Explorer 6.0. Other
versions may also be affected.

SOLUTION:
Do not visit untrusted web sites.

Disabling Active Scripting support may prevent exploitation, but has
not been proven.

PROVIDED AND/OR DISCOVERED BY:
Jeffrey van der Stad

ORIGINAL ADVISORY:
http://jeffrey.vanderstad.net/grasshopper/

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