ZDI-11-029: Symantec AMS Intel Alert Handler Service CreateProcess Remote Code Execution Vulnerability

http://www.zerodayinitiative.com/advisories/ZDI-11-029

January 27, 2011

-- CVE ID:
CVE-2010-111

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

-- Affected Vendors:
Symantec

-- Affected Products:
Symantec Alert Management System

-- TippingPoint(TM) IPS Customer Protection:
TippingPoint IPS customers have been protected against this
vulnerability by Digital Vaccine protection filter ID 9422.
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 Symantec Alert Management System.
Authentication is not required to exploit this vulnerability.

The specific flaw exists within the HDNLRSVC.EXE service while
processing data sent from the msgsys.exe process which listens by
default on TCP port 38292. This process passes user-supplied data
directly to a CreateProcessA call. By supplying a UNC path to a
controlled binary a remote attacker can execute arbitrary code under the
context of the vulnerable daemon.

-- Vendor Response:
Symantec has issued an update to correct this vulnerability. More
details can be found at:

http://www.symantec.com/business/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=2011&suid=20110126_00

-- Disclosure Timeline:
2010-07-14 - Vulnerability reported to vendor
2011-01-27 - Coordinated public release of advisory

-- Credit:
This vulnerability was discovered by:
    * Anonymous

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