🚨 [security] Update puma: 3.12.1 → 3.12.4 (patch)

[depfu]

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🚨 Your version of puma has known security vulnerabilities 🚨

Advisory: CVE-2020-5247
Disclosed: February 27, 2020
URL: https://github.com/puma/puma/security/advisories/GHSA-84j7-475p-hp8v

HTTP Response Splitting vulnerability in puma

If an application using Puma allows untrusted input in a response header,
an attacker can use newline characters (i.e. CR, LF) to end the header and
inject malicious content, such as additional headers or an entirely new
response body. This vulnerability is known as HTTP Response Splitting.

While not an attack in itself, response splitting is a vector for several
other attacks, such as cross-site scripting (XSS).

🚨 We recommend to merge and deploy this update as soon as possible! 🚨

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Here is everything you need to know about this update. Please take a good look at what changed and the test results before merging this pull request.

What changed?

✳️ puma (3.12.1 → 3.12.4) · Repo · Changelog

Commits

See the full diff on Github. The new version differs by 10 commits:

• Add missing server_run
• 3.12.4
• HTTP Injection - fix bug + 1 more vector (#2136)
• 3.12.3
• Test backport
• 4.3.2 and 3.12.3 release notes
• Merge pull request from GHSA-84j7-475p-hp8v
• 3.12.2
• 4.3.1 and 4.2.1 release notes
• Merge pull request from GHSA-7xx3-m584-x994

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[depfu]

Closed in favor of #246.