Bump dnspython from 2.3.0 to 2.7.0

[dependabot]

Bumps dnspython from 2.3.0 to 2.7.0.

Release notes

Sourced from dnspython's releases.

dnspython 2.7.0

See What's New for details.

The minimum supported version of Python is 3.9.

My thanks to the many people who have contributed to this release. Also thanks to my co-maintainers: Tomáš Křížek, Petr Špaček, and Brian Wellington.

dnspython 2.6.1

See What's New for details.

This is a bug fix release for 2.6.0 where the "TuDoor" fix erroneously suppressed legitimate Truncated exceptions. This caused the stub resolver to timeout instead of failing over to TCP when a legitimate truncated response was received over UDP.

This release addresses the potential DoS issue discussed in the "TuDoor" paper (CVE-2023-29483). The dnspython stub resolver is vulnerable to a potential DoS if a bad-in-some-way response from the right address and port forged by an attacker arrives before a legitimate one on the UDP port dnspython is using for that query. In this situation, dnspython might switch to querying another resolver or give up entirely, possibly denying service for that resolution. This release addresses the issue by adopting the recommended mitigation, which is ignoring the bad packets and continuing to listen for a legitimate response until the timeout for the query has expired.

Thank you to all the contributors to this release, and, as usual, thanks to my co-maintainers: Tomáš Křížek, Petr Špaček, and Brian Wellington.

dnspython 2.6.0

See What's New for details.

This release addresses the potential DoS issue discussed in the "TuDoor" paper (CVE-2023-29483). The dnspython stub resolver is vulnerable to a potential DoS if a bad-in-some-way response from the right address and port forged by an attacker arrives before a legitimate one on the UDP port dnspython is using for that query. In this situation, dnspython might switch to querying another resolver or give up entirely, possibly denying service for that resolution. This release addresses the issue by adopting the recommended mitigation, which is ignoring the bad packets and continuing to listen for a legitimate response until the timeout for the query has expired.

Thank you to all the contributors to this release, and, as usual, thanks to my co-maintainers: Tomáš Křížek, Petr Špaček, and Brian Wellington.

dnspython 2.5.0

See the What's New page for a summary of this release.

Thanks to all the contributors, and, as usual, thanks to my co-maintainers: Tomáš Křížek, Petr Špaček, and Brian Wellington.

dnspython 2.4.2

This is a bug fix release, see the What's New page in the documentation for a summary.

Thanks to the people who reported the bugs and, as usual, thanks to my co-maintainers: Tomáš Křížek, Petr Špaček, and Brian Wellington.

Changelog

Sourced from dnspython's changelog.

2.7.0

• dns.query.https() and dns.asyncquery.https() now support HTTP/3 and the http_version parameter may be used to specify which version to use.

• If the cryptography module is installed, then dnspython will now create deterministic ECDSA signatures by default. Cryptography, if installed, must be at least version 43. Thanks to Jakob Schlyter for adding the feature.

• The RESINFO and WALLET RdataTypes are now supported.

• The COOKIE and Report-Channel EDNS0 options are now supported.

• All supported RdataTypes can now be imported at a single time rather than lazily on first use by calling dns.rdata.load_all_types().

• The SVCB and HTTPS records now support the ohttp parameter.

• xfr() and inbound_xfr() now share a common implementation.

• Tokens are now supported for QUIC and HTTP/3.

• dns.message.from_wire() now saves the input wire format in the Message's "wire" attribute. Likewise, dns.message.Message.to_wire() now records the generated wire format in that attribute.

• The dns.message.Message object now has a get_options() helper to retrieve EDNS0 options of a specified type, and an extended_errors() helper to retrieve the list of EDE options in a message (if any).

• dns.message.make_response() now has a copy mode which controls how sections are copied. By default, a copy mode appropriate for the opcode is used. This is currently dns.message.CopyMode.QUESTION for all opcodes.

• If an IP address is used as the hostname in a URL, the https query code now passes the sni_hostname to httpx as this is required to get httpx to validate the certificate and check for an IP subject alternative name.

• The minimum supported aioquic version is now 1.0.0.

• The minimum supported Python version is now 3.9.

2.6.1

• The Tudoor fix ate legitimate Truncated exceptions, preventing the resolver from failing over to TCP and causing the query to timeout #1053.

2.6.0

... (truncated)

Commits

• 889385e 2.7.0 release prep
• bb4bc91 fix(answer): add typing to range (#1138)
• 4eaf0e2 Use the port from the URL if provided for H3 #1139
• a287921 fix doco typo
• 142f7ba fix typo (#1133)
• 8ce60d2 CI 2.7 testing and also remove python 3.8
• 4e15806 2.7.0rc1 prep
• 2d6e17c fix typing after reorganization
• ab59c9a lint
• 2b763dc linting
• Additional commits viewable in compare view

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