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NOCC Multiple Vulnerabilities and Security Issue
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Secunia Advisory:
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SA16921
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Release Date:
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2006-02-23
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Last Update:
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2006-03-02
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Popularity:
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5,770 views
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Critical:
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Moderately critical
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Impact:
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Cross Site Scripting
Exposure of system information
Exposure of sensitive information
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: | NOCC 1.x
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| CVE reference: | CVE-2006-0891
CVE-2006-0892
CVE-2006-0893
CVE-2006-0894
CVE-2006-0895
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Description:
rgod has discovered some vulnerabilities and a security issue in NOCC, which can be exploited by malicious users to compromise a vulnerable system, and by malicious people to conduct cross-site scripting attacks and disclose sensitive information.
1) Input passed to the "lang" and "theme" parameters, and "Accept-Language" HTTP header in "index.php" isn't properly verified, before it is used to include files. This can be exploited to include arbitrary files from local resources.
This can further be exploited to include arbitrary PHP code injected into uploaded mail attachments or user preferences in the "profiles" directory.
2) The problem is that user preferences are stored insecurely in the "profiles" directory inside the web root and can be exposed.
Successful exploitation requires that the settings for the "profiles" directory has been defined as given by the instructions in the configuration file (not enabled by default).
3) Some input isn't 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.
Examples:
http://[victim]/html/error.php?html_error_occurred=[code]
http://[victim]/html/filter_prefs.php?html_filter_select=[code]
http://[victim]/html/no_mail.php?html_no_mail=[code]
http://[victim]/html/html_bottom_table.php?page_line=[code]
http://[victim]/html/html_bottom_table.php?prev=[code]
http://[victim]/html/html_bottom_table.php?next=[code]
It is also possible to disclose the full path to "html/header.php" by accessing it directly.
The vulnerabilities and the security issue have been confirmed in version 1.0. Other versions may also be affected.
Solution:
Edit the source code to ensure that input is properly verified and move the "profiles" directory out of the web root.
Provided and/or discovered by:
rgod
Changelog:
2006-03-02: Added CVE references.
Original Advisory:
http://retrogod.altervista.org/noccw_10_incl_xpl.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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