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VID 21784
Severity 40
Port 80, ...
Protocol TCP
Class CGI
Detailed Description The WebCalendar program is vulnerable to multiple remote file include vulnerabilities in the 'includedir' parameter. WebCalendar is a graphical PHP application used to maintain a calendar for a single user or an intranet group of users. WebCalendar versions prior to 1.0.1 could allow a remote attacker to include malicious files, caused by improper filtering of user-supplied input passed to the 'includedir' parameter of the 'function.php' script and 'send_reminders.php' script. These vulnerabilities could permit a remote attacker to execute arbitrary PHP script code and operating system commands on the affected system in the security context of the Web server process.

* References:
http://www.debian.org/security/2005/dsa-799
http://www.securitytracker.com/alerts/2005/Sep/1014849.html
http://www.frsirt.com/english/advisories/2005/1513
http://secunia.com/advisories/16528/

* Platform Affected:
Craig Knudsen, WebCalendar versions prior to 1.0.1
Any operating system Any version
Recommendation Upgrade to the latest version of WebCalendar (1.0.1 or later), available from the WebCalendar Download Web page at http://www.k5n.us/webcalendar.php?topic=Download
Related URL CVE-2005-2717 (CVE)
Related URL 14651 (SecurityFocus)
Related URL 22136 (ISS)