Joovili 3.1.8 CRLF injection/HTTP response splitting Vulnerability

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Joovili 3.1.8 CRLF injection/HTTP response splitting Vulnerability
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0  [+] Site            : Inj3ct0r.com                                  0
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# Vendor: http://www.joovili.com/

# Date: 2010-09-27 

# Author : indoushka 

# Thanks to : Dz-Ghost Team

# Contact : 00213771818860

# Tested on : windows SP2 Francais V.(Pnx2 2.0) 
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# Exploit By indoushka 
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Vulnerability description:
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This script is possibly vulnerable to CRLF injection attacks. 

HTTP headers have the structure "Key: Value", where each line is separated by the CRLF combination. 
If the user input is injected into the value section without properly escaping/removing CRLF characters 
it is possible to alter the HTTP headers structure.
HTTP Response Splitting is a new application attack technique which enables various new attacks such as 
web cache poisoning, cross user defacement,
hijacking pages with sensitive user information and cross-site scripting (XSS). 
The attacker sends a single HTTP request that forces the web server to form an output stream, 
which is then interpreted by the target as two HTTP responses instead of one response. 

Affected items:
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/public_www/browse.events.php 
/public_www/browse.groups.php 
/public_www/browse.music.php 
/public_www/browse.users.php 
/public_www/browse.videos.php 

The impact of this vulnerability:
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Is it possible for a remote attacker to inject custom HTTP headers. 
For example, an attacker can inject session cookies or HTML code. 
This may conduct to vulnerabilities like XSS (cross-site scripting) or session fixation. 

How to fix this vulnerability:
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You need to restrict CR(0x13) and LF(0x10) from the user input or properly encode the output in order to prevent the injection of custom HTTP headers.



#  0day.today [2018-01-01]  #