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Site@School Multiple Vulnerabilities
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Secunia Advisory:
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SA25712
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Release Date:
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2007-06-18
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Last Update:
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2008-07-07
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Popularity:
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4,767 views
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Critical:
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Highly critical
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Impact:
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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: | Site@School 2.x
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Instant alerts on relevant vulnerabilities 
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| CVE reference: | CVE-2007-3276
CVE-2008-0129
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Description:
Some vulnerabilities have been discovered in Site@School, which can be exploited by malicious people to conduct cross-site scripting and SQL injection attacks, and by malicious users to compromise a vulnerable system.
1) Input passed to the "q" parameter in index.php (when "r", "page", and "section" are set) is not properly sanitised before being returned to the user. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site.
2) Input passed to the "album_name" parameter in starnet/addons/slideshow_full.php is not properly sanitised before being used in an SQL query. This can be exploited to manipulate SQL queries by injecting arbitrary SQL code.
3) An error exists within the handling of file uploads in "sas_move_uploaded_file()" when a filename has multiple file extensions. This can be exploited to upload malicious script files (e.g. a PHP script) to the server.
Successful exploitation allows execution of arbitrary script code on certain configurations (e.g. if running an Apache server with "mod_mime" enabled), but requires a valid user session.
NOTE: An attacker without valid credentials can exploit vulnerability #3 by using vulnerability #2 to obtain a valid session identifier.
The vulnerabilities are confirmed in version 2.4.10. Other versions may also be affected.
Solution:
Edit the source code to ensure that input is properly sanitised.
Restrict access to trusted users only.
Provided and/or discovered by:
1) MurderSkillz and Clorox
2, 3) EgiX
Changelog:
2007-06-22: Added CVE reference.
2008-01-04: Added vulnerability #2.
2008-02-04: Added CVE reference.
2008-07-07: Added vulnerability #3 to the advisory. Updated the "Solution" and "Original Advisory" sections.
Original Advisory:
2) http://milw0rm.com/exploits/4832
3) http://milw0rm.com/exploits/6005
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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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