🚨 [security] Update rexml 3.3.2 → 3.3.4 (patch)

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🚨 Your current dependencies have known security vulnerabilities 🚨

This dependency update fixes known security vulnerabilities. Please see the details below and assess their impact carefully. We recommend to merge and deploy this 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?

↗️ rexml (indirect, 3.3.2 → 3.3.4) · Repo · Changelog

Security Advisories 🚨

🚨 REXML DoS vulnerability

Impact

The REXML gem before 3.3.2 has a DoS vulnerability when it parses an XML that has many entity expansions with SAX2 or pull parser API.

If you need to parse untrusted XMLs with SAX2 or pull parser API, you may be impacted to this vulnerability.

Patches

The REXML gem 3.3.3 or later include the patch to fix the vulnerability.

Workarounds

Don't parse untrusted XMLs with SAX2 or pull parser API.

References

• https://www.ruby-lang.org/en/news/2008/08/23/dos-vulnerability-in-rexml/ : This is a similar vulnerability
• https://www.ruby-lang.org/en/news/2024/08/01/dos-rexml-cve-2024-41946/: An announce on www.ruby-lang.org

🚨 REXML DoS vulnerability

Impact

The REXML gem before 3.3.2 has some DoS vulnerabilities when it parses an XML that has many specific characters such as whitespace character, >] and ]>.

If you need to parse untrusted XMLs, you may be impacted to these vulnerabilities.

Patches

The REXML gem 3.3.3 or later include the patches to fix these vulnerabilities.

Workarounds

Don't parse untrusted XMLs.

References

• GHSA-vg3r-rm7w-2xgh : This is a similar vulnerability
• GHSA-4xqq-m2hx-25v8 : This is a similar vulnerability
• https://www.ruby-lang.org/en/news/2024/08/01/dos-rexml-cve-2024-41123/: An announce on www.ruby-lang.org

Release Notes

3.3.4

Fixes

• Fixed a bug that REXML::Security isn't defined when
  REXML::Parsers::StreamParser is used and
  rexml/parsers/streamparser is only required.
  • GH-189
  • Patch by takuya kodama.

Thanks

• takuya kodama

3.3.3

Improvements

• Added support for detecting invalid XML that has unsupported
  content before root element

  • GH-184
  • Patch by NAITOH Jun.

• Added support for REXML::Security.entity_expansion_limit= and
  REXML::Security.entity_expansion_text_limit= in SAX2 and pull
  parsers

  • GH-187
  • Patch by NAITOH Jun.

• Added more tests for invalid XMLs.

  • GH-183
  • Patch by Watson.

• Added more performance tests.

  • Patch by Watson.

• Improved parse performance.

  • GH-186
  • Patch by tomoya ishida.

Thanks

• NAITOH Jun

• Watson

• tomoya ishida

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

Commits

See the full diff on Github. The new version differs by 24 commits:

• Add 3.3.4 entry
• Add missing rexml/security require in rexml/parsers/baseparser.rb (#189)
• Bump version
• Add 3.3.3 entry
• test: add a performance test for attribute list declaration
• test: fix wrong test name
• test: use double quote for string literal
• test: don't use abbreviated name
• test: add a performance test for PI with many tabs
• parse pi: improve invalid case detection
• test: fix a typo
• test: use double quote for string literal
• test: add performance tests for entity declaration
• test: use double quote for string literal
• test: add a performance test for %...; in document declaration
• test: use double quote for string literal
• test: fix location
• Fix source.match performance without specifying term string (#186)
• Add support for XML entity expansion limitation in SAX and pull parsers (#187)
• Add more invalid test cases for parsing entitly declaration (#183)
• Add support for detecting invalid XML that has unsupported content before root element (#184)
• Fix method scope in test in order to invoke the tests properly and fix exception message (#182)
• Add missing references in 3.3.2 entry
• Bump version

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