Bump rustls-webpki from 0.100.1 to 0.100.3 in /news

[dependabot]

Bumps rustls-webpki from 0.100.1 to 0.100.3.

Release notes

Sourced from rustls-webpki's releases.

0.100.3

• Path building complexity is now limited to a maximum budget of path finding operations, avoiding exponential processing time when encountering certificate chains containing many certificates with the same subject/issuer distinguished name but different subject public key information.
• Name constraints evaluation is now limited to a maximum number of comparison operations, avoiding exponential processing time when encountering certificate chains containing many name constraints and subject alternate names.

What's Changed

The following PRs were backported to the rel-0.100 branch in rustls/webpki#172

• Further limits on expensive path building (rustls/webpki#163)
• Budget tweaks (rustls/webpki#164)
• Bound name constraint comparisons (rustls/webpki#165)
• Correct handling of fatal errors (rustls/webpki#168)

Full Changelog: rustls/webpki@v/0.100.2...v/0.100.3

Thanks to all who have contributed, on behalf of the rustls team (@​ctz, @​cpu and @​djc)!

v/0.100.2

Release notes

• certificate path building and verification is now capped at 100 signature validation operations to avoid the risk of CPU usage denial-of-service attack when validating crafted certificate chains producing quadratic runtime. This risk affected both clients, as well as servers that verified client certificates.

What's Changed

• v0.100.2 prep by @​cpu in rustls/webpki#154

Full Changelog: rustls/webpki@v/0.100.1...v/0.100.2

Commits

• 5649c6a Cargo: bump version 0.100.2 -> 0.100.3.
• 86f4cb2 verify_cert: use enum for build chain error
• 50a2930 verify_cert: correct handling of fatal errors
• 0651f72 error: add is_fatal helper, use in verify_cert
• 0598dd2 verify_cert: optional Budget arg for verify_chain helper
• 277fb4b verify_cert: take references in verify_chain helper
• 63f78e0 verify_cert: name constraint checking on verified chain
• f55622a verify_cert: budget for name constraint comparisons
• 141ddcb verify_cert: pull out verify_chain test helper
• eb07f2f verify_cert: pull out make_end_entity test helper
• Additional commits viewable in compare view

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