Advisory Details

May 7th, 2007

Trend Micro ServerProtect AgRpcCln.dll Stack Overflow Vulnerability

CVE ID	CVE-2007-2508
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 ['5125']. For further product information on the TippingPoint IPS: http://www.tippingpoint.com
VULNERABILITY DETAILS	This vulnerability allows attackers to execute arbitrary code on vulnerable installations of Trend Micro ServerProtect. Authentication is not required to exploit this vulnerability. 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 ); A sub-function within this interface is vulnerable to a stack overflow due an unbounded call to wcscpy() within the routine CAgRpcClient::CreateBinding() defined in AgRpcCln.dll library.
ADDITIONAL DETAILS	Trend Micro has issued an update to correct this vulnerability. More details can be found at: http://www.trendmicro.com/download_beta/product.asp?productid=17
DISCLOSURE TIMELINE	2007-02-01 - Vulnerability reported to vendor 2007-05-07 - Coordinated public release of advisory
CREDIT	Eric DETOISIEN

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