- Waitress now validates that chunked encoding extensions are valid, and don't
contain invalid characters that are not allowed. They are still skipped/not
processed, but if they contain invalid data we no longer continue in and
return a 400 Bad Request. This stops potential HTTP desync/HTTP request
smuggling. Thanks to Zhang Zeyu for reporting this issue. See
https://github.com/Pylons/waitress/security/advisories/GHSA-4f7p-27jc-3c36
Waitress now validates that the chunk length is only valid hex digits when
parsing chunked encoding, and values such as 0x01 and +01 are no
longer supported. This stops potential HTTP desync/HTTP request smuggling.
Thanks to Zhang Zeyu for reporting this issue. See
https://github.com/Pylons/waitress/security/advisories/GHSA-4f7p-27jc-3c36
Waitress now validates that the Content-Length sent by a remote contains only
digits in accordance with RFC7230 and will return a 400 Bad Request when the
Content-Length header contains invalid data, such as +10 which would
previously get parsed as 10 and accepted. This stops potential HTTP
desync/HTTP request smuggling Thanks to Zhang Zeyu for reporting this issue. See
https://github.com/Pylons/waitress/security/advisories/GHSA-4f7p-27jc-3c36
2.1.0
Python Version Support
Python 3.6 is no longer supported by Waitress
Python 3.10 is fully supported by Waitress
Bugfix
- ``wsgi.file_wrapper`` now sets the ``seekable``, ``seek``, and ``tell``
attributes from the underlying file if the underlying file is seekable. This
allows WSGI middleware to implement things like range requests for example
In Python 3 OSError is no longer subscriptable, this caused failures on
Windows attempting to loop to find an socket that would work for use in the
trigger.
</tr></table>
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Commits
9e0b8c8 Merge pull request from GHSA-4f7p-27jc-3c36
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Bumps waitress from 0.8.10 to 2.1.1.
Release notes
Sourced from waitress's releases.
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Changelog
Sourced from waitress's changelog.
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Commits
9e0b8c8
Merge pull request from GHSA-4f7p-27jc-3c36b28c9e8
Prep for 2.1.1bd22869
Remove extraneous calls to .strip() in Chunked Encodingd9bdfa0
Validate chunk size in Chunked Encoding are HEXDIGd032a66
Error when receiving back Chunk Extension884bed1
Update tests to remove invalid chunked encoding chunk-size1f6059f
Be more strict in parsing Content-Lengthe75b0d9
Add new regular expressions for Chunked Encoding22c0394
Merge pull request #367 from Pylons/fixup/collect-wasyncore-testsdc15d9f
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