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Insecure Library Loading
Moderately critical

MyBulletinBoard Multiple Vulnerabilities

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Release Date:  2005-05-31    Last Update:  2006-03-27    Views:  12,596

Secunia Advisory SA15552

Where:

From remote

Impact:

Cross Site Scripting, Manipulation of data

Solution Status:

Vendor Patch

CVE Reference(s):

Description


Some vulnerabilities have been discovered in MyBulletinBoard (MyBB), which can be exploited by malicious people to conduct cross-site scripting, script insertion and SQL injection attacks.

1) Input passed to the "Your Website URL", "AIM Screen Name", "MSN ID", and "Yahoo ID" fields when updating a user profile is not properly sanitised before being used. This can be exploited to inject arbitrary HTML and script code, which is executed in a user's browser session in context of an affected site when the malicious user data is viewed.

2) Some input is not 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]/misc.php?action=syndication&forums[0]=[code]
http://[host]/misc.php?action=syndication&forums[0]=0&version[code]
http://[host]/misc.php?action=syndication&limit=[code]
http://[host]/forumdisplay.php?fid=1&datecut=[code]
http://[host]/forumdisplay.php?fid=2&page=[code]
http://[host]/member.php?agree=I+Agree&username=[code]
http://[host]/member.php?agree=I+Agree&email=[code]
http://[host]/member.php?agree=I+Agree&email2=[code]
http://[host]/memberlist.php?page=[code]
http://[host]/memberlist.php?usersearch=[code]
http://[host]/showthread.php?mode=linear&tid=1&pid=[code]
http://[host]/showthread.php?mode=linear&tid=1[code]
http://[host]/printthread.php?tid=1[code]

3) Some input is not properly sanitised before being used in a SQL query. This can be exploited to manipulate SQL queries by injecting arbitrary SQL code.

Examples:
http://[host]/calendar.php?action=event&eid=[code]
http://[host]/online.php?pidsql=)[code]
http://[host]/memberlist.php?usersearch=%'[code]
http://[host]/editpost.php?pid='[code]
http://[host]/forumdisplay.php?fid='[code]
http://[host]/newreply.php?tid='[code]
http://[host]/search.php?action=results&sid='[code]
http://[host]/showthread.php?tid='[code]
http://[host]/showthread.php?pid='[code]
http://[host]/usercp2.php?tid='[code]
http://[host]/printthread.php?tid='[code]
http://[host]/reputation.php?pid='[code]
http://[host]/portal.php?action=do_login&username='[code]
http://[host]/polls.php?action=newpoll&tid='[code]
http://[host]/ratethread.php?tid='[code]
http://[host]/member.php?action='[code]
http://[host]/member.php?action=profile&uid=lastposter&fid=[code]

The vulnerabilities have been confirmed in version 1.0 RC 4. Other versions may also be affected.


Solution:
Update to version 1.0 or later.

Further details available to Secunia VIM customers

Provided and/or discovered by:
1) August Christopher
2-3) Alberto Trivero

3) Additional information provided by W7ED.

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: MyBulletinBoard Multiple Vulnerabilities

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