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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.

Subscribe:
http://secunia.com/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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