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TITLE:
Interwoven WorkSite Web TransferCtrl Class ActiveX Control
Double-Free Vulnerability

SECUNIA ADVISORY ID:
SA29733

VERIFY ADVISORY:
http://secunia.com/advisories/29733/

CRITICAL:
Highly critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
Interwoven WorkSite 8.x
http://secunia.com/product/18246/

DESCRIPTION:
J Fitzpatrick has reported a vulnerability in Interwoven WorkSite,
which can be exploited by malicious people to compromise a user's
system.

The vulnerability is caused due to a double-free error in the Web
TransferCtrl Class ActiveX control when handling the "Server"
property. This can be exploited to execute arbitrary code when a user
e.g. is tricked into visiting a malicious website.

The vulnerability is reported in Web TransferCtrl Class version
8.2.1.4. Other versions may also be affected.

SOLUTION:
Update to WorkSite Web 8.2 SP1 P2.
http://worksitesupport.interwoven.com (requires login)

PROVIDED AND/OR DISCOVERED BY:
J Fitzpatrick, MWR InfoSecurity

ORIGINAL ADVISORY:
MWR InfoSecurity:
http://www.mwrinfosecurity.com/publications/mwri_interwoven-worksite-activex-control-remote-code-execution_2008-03-10.pdf

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