26th Aug 2002 [SBWID-5660]
COMMAND
Blazix jsp view and free protected folder access
SYSTEMS AFFECTED
Blazix 1.2 and previous
PROBLEM
In Auriemma Luigi, PivX [http://www.PivX.com] security advisory :
The bug I want to describe is one of the most diffused problems in the
current applications. It is the problem that have some operating sytems
API that open files without checking some character that can be
attached to the file name. In Blazix the "bad" characters are '+' and
'\' (NOT %2b and %5c).
With this bug we can view all the server side scripts in it and, more
dangerous, we have free access to the password protected folders.
Attention because the version 1.2.1 (released for some days) is still
vulnerable to the "password protected folder access" (only the jsp view
has been fixed in this release).
A] Jsp view examples:
http://127.0.0.1/jsptest.jsp+
http://127.0.0.1/jsptest.jsp\
B] Free protected folder access examples (bugtest is a folder that I
have created and protected with a password):
http://127.0.0.1/bugtest+/
http://127.0.0.1/bugtest\/
If you don't have a protected folder you can quickly follow these
simple steps:
a) make a new folder called bugtest in webfiles
b) copy webfiles\index.html in webfiles\bugtest\index.html
c) add "role.user.url: /bugtest/*" in web.ini file
d) close and restart the web server for load the new settings
SOLUTION
The Blazix team has patched the server and you can see your real
version in the Readme.txt file in the Blazix folder (it is the ONLY
place where is written the real version). Blazix 1.2.2 can be
downloaded from its homepage:
http://www.blazix.com
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