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Re: Cgisecurity.com Advisory #6: thttpd and mini_http Permission bypass vuln
From: Klaxon <klaxon () netcabo pt>
Date: Wed, 14 Nov 2001 02:36:23 +0000
On 13.11.2001 16:25 zeno wrote:
Scripts Effected: Thttpd Secure Webserver, and Mini_httpd Webserver
If htaccess is used to password protect a directory, it is possible an
attacker can access data behind the password protected area by knowing
the name of the file he wants to view without a valid login. This also
works on htpasswd files in general, which are protected by the webserver
itself so that it cannot be readable by the web. A request like the one
below will gladly feed the contents of a .htpasswd file.
Couldn't reproduce the described behavior running thttpd 2.20b on freebsd
and linux (with and without chroot)
Requesting any file before authenticating:
"Authorization required for the URL '/bar/foo.txt/'."
"Authorization required for the URL '/bar/.htpasswd/'."
"The requested URL '/bar/duh/' was not found on this server."
Requesting .htpasswd after basic authentication:
"The requested URL '/bar/.htpasswd/' is an authorization file, retrieving it is
Requesting unreadable file (mode 600) before authentication:
"The requested URL '/bar/foo.txt/' resolves to a file that is not world-readabl