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Gravity Board X Multiple Vulnerabilities
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Secunia Advisory:
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SA16342
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Release Date:
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2005-08-09
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Last Update:
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2006-01-24
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Popularity:
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5,401 views
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Critical:
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Highly critical
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Impact:
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Security Bypass
Cross Site Scripting
Manipulation of data
System access
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Where:
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From remote
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Solution Status:
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Unpatched
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| Software: | Gravity Board X (GBX) 1.x
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Instant alerts on relevant vulnerabilities 
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| CVE reference: | CVE-2005-2562
CVE-2005-2563
CVE-2005-2564
CVE-2005-2565
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Description:
rgod has discovered some vulnerabilities in Gravity Board X, which can be exploited by malicious people to conduct cross-site scripting attacks, bypass certain security restrictions, or compromise a vulnerable system.
1) Input passed to the "email" parameter in index.php isn't properly sanitised before being used in a SQL query. This can be exploited to manipulate SQL queries by injecting arbitrary SQL code.
Successful exploitation allows logon as administrator without requiring knowledge of the password, but requires that "magic_quotes_gpc" is disabled.
2) Input passed to the "board_id" parameter in deletethread.php 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 an affected site.
3) Missing access restrictions on the "editcss.php" script can be exploited to include arbitrary PHP scripts in the style sheet.
The vulnerabilities have been confirmed in version 1.1. Other versions may also be affected.
Solution:
Edit the source code to ensure that input is properly verified and PHP scripts are removed before saving the updated style sheet.
Provided and/or discovered by:
rgod
Changelog:
2006-01-24: Added CVE references.
Original Advisory:
http://www.rgod.altervista.org/gravity.html
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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