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>> WebCalendar Remote SQL Injection and File Overwrite Vulnerabilities
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Title : WebCalendar Remote SQL Injection and File Overwrite Vulnerabilities
VUPEN ID : VUPEN/ADV-2005-2643
CVE ID : CVE-2005-3949 - CVE-2005-3961
Rated as : Moderate Risk 
Remotely Exploitable : Yes
Locally Exploitable : Yes
Release Date : 2005-11-29
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Multiple vulnerabilities were identified in WebCalendar, which could be exploited by malicious users to conduct SQL injection attacks or overwrite arbitrary files.
The first flaw is due to input validation errors in the "activity_log.php", "admin_handler.php", "edit_template.php" and "export_handler.php" scripts that do not properly validate certain parameters, which may be exploited by malicious users to conduct SQL injection attacks.
The second issue is due to an input validation error in the "export_handler.php" file that does not properly validate the "id" and "format" parameters, which could be exploited by remote attackers to overwrite arbitrary files via HTTP POST requests.
Affected Products
WebCalendar version 1.0.1 and prior
Solution
Upgrade to version 1.0.2 :
http://sourceforge.net/project/showfiles.php?group_id=3870
References
http://www.vupen.com/english/advisories/2005/2643
http://www.ush.it/2005/11/28/webcalendar-multiple-vulnerabilities/
Credits
Vulnerabilities reported by Francesco Ongaro
ChangeLog
2005-11-29 : Initial release
2005-12-10 : Updated Solution
Vulnerability Management
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