[Security] Bump excon from 0.64.0 to 0.85.0

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Bumps excon from 0.64.0 to 0.85.0. This update includes security fixes.

Vulnerabilities fixed

Sourced from The Ruby Advisory Database.

Race condition when using persistent connections There was a race condition around persistent connections, where a connection which is interrupted (such as by a timeout) would leave data on the socket. Subsequent requests would then read this data, returning content from the previous response. The race condition window appears to be short, and it would be difficult to purposefully exploit this.

Users can workaround the problem by disabling persistent connections, though this may cause performance implications.

Patched versions: >= 0.71.0 Unaffected versions: none

Sourced from The GitHub Security Advisory Database.

Low severity vulnerability that affects excon

Impact

There was a race condition around persistent connections, where a connection which is interrupted (such as by a timeout) would leave data on the socket. Subsequent requests would then read this data, returning content from the previous response. The race condition window appears to be short, and it would be difficult to purposefully exploit this.

Patches

The problem has been patched in 0.71.0, users should upgrade to this or a newer version (if one exists).

Workarounds

Users can workaround the problem by disabling persistent connections, though this may cause performance implications.

References

See the patch for further details.

For more information

If you have any questions or comments about this advisory:

• Open an issue in excon/issues
• Email us at geemus+github@gmail.com

Affected versions: < 0.71.0

Changelog

Sourced from excon's changelog.

0.85.0 2021-07-16

fix socket datum regression introduced in #742

0.84.0 2021-07-07

update bundled certs

0.83.0 2021-06-28

add ssl_security_level option with pass through to ssl_context

0.82.0 2021-05-27

update actions/checkout update actions/stale update bundled certs

0.81.0 2021-04-28

add helper for converting headers to strings add ssl_proxy_headers datum key and usage pass datum to socket tweak logging middleware to allow Syslog::logger usage remove ruby 3 from allowed failures

0.80.1 2021-04-15

adjust error checking from 0.80.0 to support Ruby <2.3

0.80.0 2021-04-15

fix test usage of hashes for compatibility with Rack 2.2+ numerous github actions and dependencies setup and tweaks use Ruby Resolv for hostname lookup fix case where Socket raised nil conversion TypeError instead of EOFError fix error where proxy key exists but data is nil update bundled certificates

0.79.0 2021-02-01

... (truncated)

Commits

• b64de99 v0.85.0
• 7aa10f8 Merge pull request #754 from jjiang-stripe/jjiang/fix-socket
• 653e69d Overwrite socket data if already initialized
• 089dc7f Merge pull request #753 from excon/dependabot/github_actions/actions/stale-4
• 78035eb Bump actions/stale from 3.0.19 to 4
• d7ffbcb v0.84.0
• 01665a4 update bundled certs
• cee904f v0.83.0
• a63db0f Merge pull request #752 from rwg-stripe/rwg/ssl-security-level.0
• 035260b Add ssl_security_level support
• Additional commits viewable in compare view

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