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TITLE:
StreamAudio ChainCast VMR Client Proxy ActiveX Control Buffer
Overflow

SECUNIA ADVISORY ID:
SA28461

VERIFY ADVISORY:
http://secunia.com/advisories/28461/

CRITICAL:
Highly critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
StreamAudio ChainCast VMR Client Proxy ActiveX Control 3.x
http://secunia.com/product/17192/

DESCRIPTION:
Elazar Broad has discovered a vulnerability in StreamAudio ChainCast
VMR Client Proxy ActiveX control, which can be exploited by malicious
people to compromise a user's system.

The vulnerability is caused due to a boundary error in the
Ccpm.ProxyManager.1 ActiveX control (ccpm_0237.dll) when handling
arguments passed to the "InternalTuneIn()" method. This can be
exploited to cause a stack-based buffer overflow by passing an overly
long argument to the affected method.

Successful exploitation allows execution of arbitrary code.

The vulnerability is confirmed in ccpm_0237.dll version 3.0.0.237.
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://lists.grok.org.uk/pipermail/full-disclosure/2008-January/059572.html

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


Please Note:
Secunia recommends that you verify all advisories you receive by
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Secunia NEVER sends attached files with advisories.
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use those supplied by the vendor.

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