[Bug 62498] FileDirContext validate not working properly for directories

2018-06-30 Thread bugzilla
https://bz.apache.org/bugzilla/show_bug.cgi?id=62498

Mark Thomas  changed:

   What|Removed |Added

 Resolution|--- |FIXED
 Status|NEEDINFO|RESOLVED

--- Comment #6 from Mark Thomas  ---
Fixed in 7.0.x for 7.0.90 onwards.

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[Bug 62498] FileDirContext validate not working properly for directories

2018-06-28 Thread bugzilla
https://bz.apache.org/bugzilla/show_bug.cgi?id=62498

--- Comment #5 from Martin Drößler  ---
> Note: testValidateFailure() only passes because it calls
> testValidateInternal(dummyFile, null) but it should be
> testValidateInternal(dummyFile, dummyFile) which currently fails.
Well, thats the whole point. It shouldn't pass. I didn't know that you prefer a
failing test for the correct behaviour instead of a working test to demonstrate
the wrong behaviour.


> I can't see a way to trigger this with VirtualDirContext either.
Well, I do! So let me show you:

Compare the following lines of VirtualDirContext: 215 and 305

In the second one (part of the method "doLookup") the path variable is extended
to have a trailing slash - as is should be!

But in the other (part of method "file") it's not! You check for 
> name.startsWith(path + "/")
but then do a 
> String res = name.substring(path.length())
which of course will result in "/" - which is then passed to 
> file = new File(resourcesDir, res);
and this results in exactly the described behaviour!

Do you really want me to implement a whole webapp to further demonstrate this
obvious bug?

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[Bug 62498] FileDirContext validate not working properly for directories

2018-06-28 Thread bugzilla
https://bz.apache.org/bugzilla/show_bug.cgi?id=62498

--- Comment #4 from Mark Thomas  ---
I can't see a way to trigger this with VirtualDirContext either. Awaiting
reproduction steps from a clean Tomcat install.

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[Bug 62498] FileDirContext validate not working properly for directories

2018-06-28 Thread bugzilla
https://bz.apache.org/bugzilla/show_bug.cgi?id=62498

--- Comment #3 from Mark Thomas  ---
Note: The provided test cases will fail on Windows.

Note: testValidateFailure() only passes because it calls
testValidateInternal(dummyFile, null) but it should be
testValidateInternal(dummyFile, dummyFile) which currently fails.

I don't see a way for this failure to occur in a standard directory deployment.
There is code in FileDirContext that explicitly prevents this problem from
occurring.

It may be possible to trigger the issue with VirtualDirContext. I'll take a
look.

What are the steps to trigger this issue starting from a clean install of the
latest Tomcat 7.0.x release? I suspect a fix, if required, is required
somewhere other than where proposed but to be able be sure we need to be able
to reproduce it.

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[Bug 62498] FileDirContext validate not working properly for directories

2018-06-28 Thread bugzilla
https://bz.apache.org/bugzilla/show_bug.cgi?id=62498

--- Comment #2 from Martin Drößler  ---
Created attachment 35994
  --> https://bz.apache.org/bugzilla/attachment.cgi?id=35994=edit
TestCase

I attached a TestCase to demonstrate the behaviour.

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[Bug 62498] FileDirContext validate not working properly for directories

2018-06-27 Thread bugzilla
https://bz.apache.org/bugzilla/show_bug.cgi?id=62498

Mark Thomas  changed:

   What|Removed |Added

 Status|NEW |NEEDINFO

--- Comment #1 from Mark Thomas  ---
That patch, and the related patches, are part of the fix for security
vulnerability CVE-2017-12617.

You are going to need to provide a test case that demonstrates an incorrect
behaviour before we are going to consider making any changes along the lines
you request.

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