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TITLE:
Lycos FileUploader Module File Upload Component ActiveX Control
Buffer Overflow

SECUNIA ADVISORY ID:
SA28599

VERIFY ADVISORY:
http://secunia.com/advisories/28599/

CRITICAL:
Highly critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
Lycos FileUploader Module 2.x
http://secunia.com/product/17275/

DESCRIPTION:
Elazar Broad has discovered a vulnerability in Lycos FileUploader
Module, which can be exploited by malicious people to compromise a
user's system.

The vulnerability is caused due to a boundary error in the
FileUploader.FUploadCtl.1 ActiveX control (FileUploader.dll) when
handling strings assigned to the "HandwriterFilename" property. This
can be exploited to cause a heap-based buffer overflow by assigning
an overly-long string to the affected property.

Successful exploitation allows execution of arbitrary code.

The vulnerability is confirmed in FileUploader.dll version 2.0.0.2.
Other versions may also be affected.

SOLUTION:
Set the kill-bit for the affected ActiveX control.

PROVIDED AND/OR DISCOVERED BY:
Elazar Broad

ORIGINAL ADVISORY:
http://www.milw0rm.com/exploits/4967

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

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http://secunia.com/about_secunia_advisories/


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