TippingPoint Zero Day Initiative
 

Trend Micro ServerProtect RPCFN_SetComputerName() Stack Overflow Vulnerability

ZDI-07-050: September 7th, 2007

CVE ID

Affected Vendors

Affected Products

    ServerProtect

TippingPoint™ IPS Customer Protection

TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 5481. For further product information on the TippingPoint IPS:

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.

Vendor Response

Trend Micro has issued an update to correct this vulnerability. More details can be found at:

Disclosure Timeline

    2007-07-17 - Vulnerability reported to vendor
    2007-09-07 - Coordinated public release of advisory

Credit

This vulnerability was discovered by:
    Anonymous