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Posted to bugs@httpd.apache.org by bu...@apache.org on 2017/10/27 11:16:41 UTC

[Bug 61676] Unable to handle unescaped whitespace in URL with HttpProtocolOptions Unsafe

https://bz.apache.org/bugzilla/show_bug.cgi?id=61676

Eric Covener <co...@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |INVALID

--- Comment #1 from Eric Covener <co...@gmail.com> ---
By default, the parser finds extra whitespace after Welt, not before it. This
part can be permitted with Unsafe.

But when you get farther, you still have a totally unexpected token since
"Welt" is interpreted as the version as the protocol uses spaces for
delimeters.

I don't think even under Unsafe we want to hunt around and try to sort
out that the next token looks more like an HTTP version.  Invalid and
malicious share too much.

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