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mattzollinhofer / teachy

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🚨 [security] Update puma: 4.3.1 → 4.3.3 (patch) #101

Closed depfu[bot] closed 4 years ago

depfu[bot] commented 4 years ago

🚨 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! 🚨

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 (4.3.1 → 4.3.3) · Repo · Changelog

Release Notes

4.3.3 (from changelog)

  • Bugfixes
    • Fix: Fixes a problem where we weren't splitting headers correctly on newlines (#2132)
  • Security
    • Fix: Prevent HTTP Response splitting via CR in early hints.

4.3.2 (from changelog)

  • Security
    • Fix: Prevent HTTP Response splitting via CR/LF in header values. CVE-2020-5247.

Does any of this look wrong? Please let us know.

Commits

See the full diff on Github. The new version differs by 5 commits:

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depfu[bot] commented 4 years ago

Closed in favor of #105.