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Cross-Site Scripting and Local File Inclusion in Phorum



Cross-Site Scripting and Local File Inclusion in Phorum
Cross-Site Scripting and Local File Inclusion in Phorum



Some vulnerabilities have been discovered in Phorum, which can be exploited by malicious people to conduct cross-site scripting attacks, disclose sensitive information, and potentially compromise a vulnerable system. =0D
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1) Input passed to the "template" parameter in pm.php isn't properly verified, before it is used to include files. This can be exploited to include arbitrary files from local resources.=0D
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http://[host]/pm.php?1,page=1&template=[file]%00=0D 
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Another unspecified parameter is reportedly also affected. =0D
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Successful exploitation requires that "register_globals" is enabled and that "magic_quotes_gpc" is disabled.=0D
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This can further be exploited to include arbitrary PHP code injected into Apache web logs.=0D
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2) Input passed to the "mode" parameter in posting.php 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.=0D
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The vulnerabilities have been confirmed in version 5.1.14. Prior versions may also be affected.=0D
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Solution:=0D
Update to version 5.1.15.=0D
http://www.phorum.org/downloads.php=0D 
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