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Moderately critical

Ultimate PHP Board Cross-Site Scripting and User Credentials Exposure

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Release Date:  2005-06-17    Last Update:  2006-06-28    Views:  11,927

Secunia Advisory SA15732

Where:

From remote

Impact:

Cross Site Scripting, Exposure of sensitive information

Solution Status:

Partial Fix

CVE Reference(s):

Description


Alberto Trivero has reported some vulnerabilities and a security issue in Ultimate PHP Board, which can be exploited by malicious people to conduct cross-site scripting attacks and disclose sensitive information.

1) Some input isn't properly sanitised before being returned to users. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of a vulnerable site.

Examples:
http://[host]/login.php?ref=[code]
http://[host]/viewtopic.php?id=[code]
http://[host]/viewtopic.php?id=1&t_id=1&page=[code]
http://[host]/profile.php?action=get&id=[code]
http://[host]/newpost.php?id=1&t=1&t_id=[code]
http://[host]/newpost.php?id=[code]
http://[host]/email.php?id=[code]
http://[host]/icq.php?action=get&id=[code]
http://[host]/upb/aol.php?action=get&id=[code]
http://[host]/upb/getpass.php?ref=[code]
http://[host]/search.php?step=3&sText=[code]

2) User credentials are stored in the "db" database directory inside the web root, which may allow disclosure of the usernames and encrypted passwords.

NOTE: This does not affect installations with enabled support for ".htaccess" files. The encrypted passwords can easily be decrypted due to a weak encryption method.

It is also possible to disclose the full path to certain scripts by accessing them with some invalid input.

The vulnerabilities and the security issue have been reported in version 1.9.6 GOLD and prior.


Solution:
A patch is available for the cross-site scripting vulnerabilities:

Further details available to Secunia VIM customers

Provided and/or discovered by:
Alberto Trivero

Additional information provided by mbrooks.

Original Advisory:
http://www.kliconsulting.com/users/mbrooks/UPBadvisory.rtf

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: Ultimate PHP Board Cross-Site Scripting and User Credentials Exposure

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