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A  U  S  C  E  R  T                                           A  L  E  R  T

                       AL-2007.0132 -- AUSCERT ALERT
                                   [Win]
          Trend Micro ServerProtect StRpcSrv.dll Insecure Method
                          Exposure Vulnerability
                             28 December 2007

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        AusCERT Alert Summary
        ---------------------

Product:              Trend Micro ServerProtect
Publisher:            ZDI
Operating System:     Windows
Impact:               Execute Arbitrary Code/Commands
Access:               Remote/Unauthenticated
CVE Names:            CVE-2007-6507

Original Bulletin:  
  http://www.zerodayinitiative.com/advisories/ZDI-07-077.html

Revision History:     December 28 2007: Added CVE
                      December 19 2007: Initial Release

- --------------------------BEGIN INCLUDED TEXT--------------------

ZDI-07-077: Trend Micro ServerProtect StRpcSrv.dll Insecure Method 
Exposure Vulnerability
http://www.zerodayinitiative.com/advisories/ZDI-07-077.html
December 17, 2007

- -- CVE ID:


- -- Affected Vendor:
Trend Micro

- -- Affected Products:
ServerProtect v5.58

- -- TippingPoint(TM) IPS Customer Protection:
TippingPoint IPS customers have been protected against this
vulnerability by Digital Vaccine protection filter ID 5126. 
For further product information on the TippingPoint IPS:

    http://www.tippingpoint.com 

- -- Vulnerability Details:
These vulnerabilities allow attackers to execute arbitrary code on
vulnerable installations of Trend Micro ServerProtect. Authentication
is not required to exploit these vulnerabilities.

The specific flaw exists in the SpntSvc.exe daemon, bound by default on
TCP port 5168 and exposing the following DCE/RPC interface through
TmRpcSrv.dll:

    /* opcode: 0x00, address: 0x65741030 */
    error_status_t sub_65741030 (
        [in] handle_t arg_1,
        [in] long arg_2,
        [in][size_is(arg_4)] byte arg_3[],
        [in] long arg_4,
        [out][size_is(arg_6)] byte arg_5[],
        [in] long arg_6
    );

Various sub-functions from StRpcSrv.dll are exposed in this interface
and allow for full file system access that can be trivially leveraged
to executed arbitrary code.

- -- Vendor Response:
Trend Micro issued an update to correct this vulnerability on July 27th,
2007. More details can be found at:

http://www.trendmicro.com/ftp/documentation/readme/spnt_558_win_en_securitypatch4_readme.txt

- -- Disclosure Timeline:
2007.02.01 - Vulnerability reported to vendor
2007.12.17 - Public release of advisory

- -- Credit:
This vulnerability was discovered by Eric DETOISIEN.

- -- 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.
3Com does not re-sell the vulnerability details or any exploit code.
Instead, upon notifying the affected product vendor, 3Com 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, 3Com provides this vulnerability
information confidentially to security vendors (including competitors)
who have a vulnerability protection or mitigation product. 

- --------------------------END INCLUDED TEXT--------------------

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===========================================================================
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The University of Queensland
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