Title: php iCalendar Arbitrary File Upload Vulnerability
Severity: HIGH
Description:
PHP iCalendar is a web-based calendar application implemented in PHP.
PHP iCalendar is prone to an arbitrary file-upload vulnerability. This issue is due to a failure in the application to properly sanitize user-supplied input.
By design, the 'calendar/publish.ical.php' script permits file uploads with an '.ics' extension. However, an attacker can supply a NULL character as part of the filename and bypass this restriction to upload an arbitrary file.
An attacker can exploit this vulnerability to upload arbitrary code and execute it in the context of the webserver process. This may facilitate unauthorized access or privilege escalation; other attacks are also possible.
This issue requires that 'phpicalendar_publishing' be enabled in 'config.inc.php'.
Affected Products:
- PHP iCalendar PHP iCalendar 2.0
- PHP iCalendar PHP iCalendar 2.0.0 B
- PHP iCalendar PHP iCalendar 2.0.0 a2
- PHP iCalendar PHP iCalendar 2.0.0 c
- PHP iCalendar PHP iCalendar 2.0.1
- PHP iCalendar PHP iCalendar 2.1
- PHP iCalendar PHP iCalendar 2.2.1
References:
- PHP iCalendar: PHP iCalendar Homepage
Juniper Networks provides this content via a wide variety of sources and production methods. If notified of errors or omissions in the content of this page, Juniper Networks, at its discretion, will modify or remove the page or leave the content as is, depending on various factors including but not limited to the reputation and authority of the party providing the notification. Please use the contact information displayed elsewhere on this page to report any errors or omissions regarding the content on this page.
