full-disclosure - ZDI-11-235: TrendMicro Control Manager CASProcessor.exe BLOB Remote Code Execution Vulnerability

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Message-ID: <AF6E290B52139041BD6CA591212E455B5765EF22CB@GVW0442EXB.americas.hpqcorp.net>
Date: Tue, 12 Jul 2011 18:29:09 +0100
From: ZDI Disclosures <zdi-disclosures@...pingpoint.com>
To: "'full-disclosure@...ts.grok.org.uk'" <full-disclosure@...ts.grok.org.uk>, 
	"'bugtraq@...urityfocus.com'" <bugtraq@...urityfocus.com>
Subject: ZDI-11-235: TrendMicro Control Manager
 CASProcessor.exe BLOB Remote Code Execution Vulnerability

ZDI-11-235: TrendMicro Control Manager CASProcessor.exe BLOB Remote Code Execution Vulnerability

http://www.zerodayinitiative.com/advisories/ZDI-11-235

July 12, 2011

-- CVSS:
10, (AV:N/AC:L/Au:N/C:C/I:C/A:C)

-- Affected Vendors:
Trend Micro

-- Affected Products:
Trend Micro Control Manager

-- TippingPoint(TM) IPS Customer Protection:
TippingPoint IPS customers have been protected against this
vulnerability by Digital Vaccine protection filter ID 11468. 
For further product information on the TippingPoint IPS, visit:

    http://www.tippingpoint.com

-- Vulnerability Details:
This vulnerability allows remote attackers to execute arbitrary code on
vulnerable installations of Trend Micro Control Manager. Authentication
is not required to exploit this vulnerability.

The specific flaw exists within En_Utility.dll. A module called from
CASProcessor.exe running on TCP port 20801. A specially crafted packet
with malformed BLOB encrypted data, is handled by HandleMcpRequest(),
and contains instructions that will allow for an integer wrap, leading
to a heap overflow. An attacker can leverage this vulnerability to
execute arbitrary code under the context of the SYSTEM.

-- Vendor Response:
Trend Micro has issued an update to correct this vulnerability. More
details can be found at:
http://esupport.trendmicro.com/solution/en-us/1058292.aspx

-- Disclosure Timeline:
2011-04-07 - Vulnerability reported to vendor
2011-07-12 - Coordinated public release of advisory

-- Credit:
This vulnerability was discovered by:
    * Luigi Auriemma

-- About the Zero Day Initiative (ZDI):
Established by TippingPoint, The Zero Day Initiative (ZDI) represents 
a best-of-breed model for rewarding security researchers for responsibly
disclosing discovered vulnerabilities.

Researchers interested in getting paid for their security research
through the ZDI can find more information and sign-up at:

    http://www.zerodayinitiative.com

The ZDI is unique in how the acquired vulnerability information is
used. TippingPoint does not re-sell the vulnerability details or any
exploit code. Instead, upon notifying the affected product vendor,
TippingPoint provides its customers with zero day protection through
its intrusion prevention technology. Explicit details regarding the
specifics of the vulnerability are not exposed to any parties until
an official vendor patch is publicly available. Furthermore, with the
altruistic aim of helping to secure a broader user base, TippingPoint
provides this vulnerability information confidentially to security
vendors (including competitors) who have a vulnerability protection or
mitigation product.

Our vulnerability disclosure policy is available online at:

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