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WebCalendar "includedir" Arbitrary File Inclusion Vulnerability Advisory Available in Danish 

Secunia Advisory: SA16528  
Release Date: 2005-08-24
Last Update: 2005-09-02

Critical:
Highly critical
Impact: System access
Where: From remote
Solution Status: Vendor Patch

Software:WebCalendar 0.9.x
WebCalendar 1.x

CVE reference:CVE-2005-2717 (Secunia mirror)

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Description:
A vulnerability has been reported in WebCalendar, which can be exploited by malicious people to compromise a vulnerable system.

Input passed to the "includedir" parameter in send_reminders.php is not properly verified before being used to include files. This can be exploited to include arbitrary files from local and remote resources.

NOTE: The vulnerability is reportedly already being actively exploited.

Solution:
Update to version 1.0.1.

Provided and/or discovered by:
Reported by vendor.

Changelog:
2005-09-02: Added CVE reference.



Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.

Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.

11 Related Secunia Security Advisories, displaying 10

1. WebCalendar "noSet" Variable Overwrite Vulnerability
2. WebCalendar "format" Cross-Site Scripting Vulnerability
3. WebCalendar "includedir" Parameter Arbitrary Setting File Loading
4. WebCalendar User Account Enumeration Weakness
5. WebCalendar Two Vulnerabilities and a Weakness
6. WebCalendar SQL Injection and Local File Overwrite Vulnerabilities
7. WebCalendar "assistant_edit.php" Security Bypass
8. WebCalendar "webcalendar_session" SQL Injection
9. WebCalendar Multiple Vulnerabilities
10. WebCalendar Cross-Site Scripting Vulnerability

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