🚨 [security] Update yard: 0.9.16 → 0.9.20 (minor)

[depfu]

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🚨 Your version of yard has known security vulnerabilities 🚨

Advisory: CVE-2019-1020001
Disclosed: July 02, 2019
URL: https://github.com/lsegal/yard/security/advisories/GHSA-xfhh-rx56-rxcr

Arbitrary path traversal and file access via `yard server`

A path traversal vulnerability was discovered in YARD <= 0.9.19 when using
yard server to serve documentation. This bug would allow unsanitized HTTP
requests to access arbitrary files on the machine of a yard server host under
certain conditions.

The issue is resolved in v0.9.20 and later.

🚨 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?

↗️ yard (indirect, 0.9.16 → 0.9.20) · Repo · Changelog

Release Notes

0.9.20

• Fix parsing of stringified Symbols in Ruby source (#1256).
• Fix path traversal vulnerability in yard server. This bug would allow
  unsanitized HTTP requests to access arbitrary files on the machine of a
  yard server host under certain conditions. Thanks to CuongMX from
  Viettel Cyber Security for discovering this vulnerability.

0.9.19

• Fixed bug in browser back button (#1071, #1228)
• Fixed handling of ArgumentError in ExtraFileObject (#1198)
• Fixed double return tag displaying on boolean methods (#1226)
• Removed unused Module#namespace_name function (#1229)
• Fixed parsing order of README files. YARD will now prefer README over
  README.md over README.x.md or README-x.md (and the like). READMEs will now
  also be ordered by filename; the first README is still chosen unless
  --readme is provided.
• Updated AsciiDoc markup support to use non-deprecated calls.

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

Commits

See the full diff on Github. The new version differs by more commits than we can show here.

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