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Home >> Browse Vulnerability Assessment Database >> CGI abuses >> PHP iCalendar Remote File Inclusion Vulnerability


Vulnerability Assessment Details

PHP iCalendar Remote File Inclusion Vulnerability

Vulnerability Assessment Summary
Checks for remote file inclusion vulnerability in PHP iCalendar

Detailed Explanation for this Vulnerability Assessment

Summary :

The remote web server contains a PHP script that is prone to a remote
file include vulnerability.

Description :

The remote host appears to be running PHP iCalendar, a web-based iCal
file viewer / parser written in PHP.

The version of PHP icalendar installed on the remote host fails to
sanitize the 'phpicalendar' cookie before using it in 'index.php' to
include PHP code from a separate file. By leveraging this flaw, an
unauthenticated attacker may be able to view arbitrary files on the
remote host and execute arbitrary PHP code, possibly taken from
third-party hosts. Successful exploitation requires that PHP's
'magic_quotes' setting be disabled, that its 'permit_url_fopen' setting
be enabled, or that a possible hacker be able to place PHP files on the
remote host.

See also :

http://lists.grok.org.uk/pipermail/full-disclosure/2005-October/038142.html

Solution :

Upgrade to a version of PHP iCalendar later than 2.0.1 when it becomes
available.

Network Security Threat Level:

Medium / CVSS Base Score : 6
(AV:R/AC:H/Au:NR/C:P/A:P/I:P/B:N)

Networks Security ID: 15193

Vulnerability Assessment Copyright: This script is Copyright (C) 2005-2006 Tenable Network Security

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