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[ECHO_ADV_80$2007] Softerra Time-Assistant <= 6.2 (inc_dir) Remote File Inclusion Vulnerability

Date: Fri Mar 30 2007 - 07:39:53 CDT

[ECHO_ADV_80$2007] Softerra Time-Assistant <= 6.2 (inc_dir) Remote File Inclusion Vulnerability

Author : M.Hasran Addahroni
Date : March, 29th 2007
Location : Australia, Sydney
Web : http://advisories.echo.or.id/adv/adv80-K-159-2007.txt
Critical Lvl : Dangerous
Impact : System access
Where : From Remote

Affected software description:

Application : Time-Assistant
version : <= 6.2 Time-Assistant Standard, Time-Assistant Enterprise, Time-Assistant light
Vendor : http://www.time-assistant.com
Description :

Time-Assistant - Web based time tracking software for Internet/Intranet featuring employee timesheets and various reports and project management tools that include salary calculation, invoices and expenses, online services and PDA package. Time-Assistant is professional timesheet software for your business. It is a daily time tracking solution designed to reduce the drudgery of recording, analyzing and reporting associated with everyday working routine. With Time-Assistant you can easily manage employee timesheets and expenses, calculate salaries, prepare project estimates, get invoices based on personal or client work rates.


- Invalid include function at lib/timesheet.class.php :

include ($inc_dir . "database.inc.php");
include ($lib_dir . "sqlstorage.class.php");
include ($lib_dir . "lib.php");
include ($lib_dir . "timesheet.lib.php");

Input passed to the "inc_dir" and "lib_dir" parameter in lib/timesheet.class.php is not properly verified before being used to include files.
This can be exploited to include arbitrary files from local or external resources.
Successful exploitation requires that "register_globals" is enabled.




- Edit the source code to ensure that input is properly verified.
- Turn off register_globals

- 28-03-2007 bugs found
- 28-03-2007 vendor contacted but no response
- 29-03-2007 advisory released

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     Homepage: http://k-159.echo.or.id/

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