Advisory Details

September 7th, 2007

Trend Micro ServerProtect RPCFN_SetComputerName() Stack Overflow Vulnerability

ZDI-07-050
ZDI-CAN-215

CVE ID CVE-2007-4218
CVSS SCORE
AFFECTED VENDORS Trend Micro
AFFECTED PRODUCTS ServerProtect
TREND MICRO CUSTOMER PROTECTION Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 5481. For further product information on the TippingPoint IPS: http://www.tippingpoint.com
VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Trend Micro ServerProtect. Authentication is not required to exploit this vulnerability.

The specific flaw is exposed through the RPC interface bound on TCP port 5168 and defined in SpntSvc.exe with the following UUID:

25288888-bd5b-11d1-9d53-0080c83a5c2c

The vulnerable function, RPCFN_SetComputerName(), is reached when the custom protocols "subcode" is set to "\x30\x00\x0a\x00". Improper use of the MultiByteToWideChar() API results in an exploitable stack based buffer overflow.

ADDITIONAL DETAILS Trend Micro has issued an update to correct this vulnerability. More details can be found at:
ServerProtect5.58 Security Patch 4 - Build 1185
DISCLOSURE TIMELINE
  • 2007-07-17 - Vulnerability reported to vendor
  • 2007-09-07 - Coordinated public release of advisory
CREDIT Anonymous
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