Date: Wed, 29 Sep 2010 15:06:16 +0200 From: Joachim Fritschi <fritschi@....tu-darmstadt.de> To: oss-security@...ts.openwall.com Subject: CVE request - phpCAS: prevent symlink attacks, directory traversal and XSS during a proxy callback Reported by Raphael Geissert almost 2 years ago but never really made it into the upstream code: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=495542#82 In phpCAS proxy mode the parameters submitted during a callback to the callback() function are not properly sanatized. The parameters are used as file handles for filesystem access and parameters in urls. This allows an attacker symlink attacks, directory traversal attacks and XSS attacks. The issue has been fixed and patches are available: https://issues.jasig.org/browse/PHPCAS-80 https://developer.jasig.org/source/changelog/jasigsvn?cs=21538 A new 1.1.3 release which contains the patch and various other bugfixes will be released within the next few days. Cheers, Joachim
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