🚨 [security] Update rexml 3.2.8 → 3.3.9 (minor) #518

depfu · 2024-10-28T16:20:26Z

🚨 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!

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, 3.2.8 → 3.3.9) · Repo · Changelog

Security Advisories 🚨

🚨 REXML ReDoS vulnerability

Impact

The REXML gem before 3.3.9 has a ReDoS vulnerability when it parses an XML that has many digits between &# and x...; in a hex numeric character reference (&#x...;).

This does not happen with Ruby 3.2 or later. Ruby 3.1 is the only affected maintained Ruby. Note that Ruby 3.1 will reach EOL on 2025-03.

Patches

The REXML gem 3.3.9 or later include the patch to fix the vulnerability.

Workarounds

Use Ruby 3.2 or later instead of Ruby 3.1.

References

https://www.ruby-lang.org/en/news/2024/10/28/redos-rexml-cve-2024-49761/: An announce on www.ruby-lang.org

🚨 REXML denial of service vulnerability

Impact

The REXML gem before 3.3.6 has a DoS vulnerability when it parses an XML that has many deep elements that have same local name attributes.

If you need to parse untrusted XMLs with tree parser API like REXML::Document.new, you may be impacted to this vulnerability. If you use other parser APIs such as stream parser API and SAX2 parser API, this vulnerability is not affected.

Patches

The REXML gem 3.3.6 or later include the patch to fix the vulnerability.

Workarounds

Don't parse untrusted XMLs with tree parser API.

References

https://www.ruby-lang.org/en/news/2024/08/22/dos-rexml-cve-2024-43398/ : An announce on www.ruby-lang.org

🚨 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

🚨 REXML denial of service vulnerability

Impact

The REXML gem before 3.3.1 has some DoS vulnerabilities when it parses an XML that has many specific characters such as <, 0 and %>.

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

Patches

The REXML gem 3.3.2 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

https://www.ruby-lang.org/en/news/2024/07/16/dos-rexml-cve-2024-39908/

Release Notes

3.3.9

Improvements

Improved performance.

GH-210

Patch by NAITOH Jun.

Fixes

Fixed a parse bug for text only invalid XML.

GH-215

Patch by NAITOH Jun.

Fixed a parse bug that &#0x...; is accepted as a character
reference.

Thanks

NAITOH Jun

3.3.8

Improvements

SAX2: Improve parse performance.

GH-207

Patch by NAITOH Jun.

Fixes

Fixed a bug that unexpected attribute namespace conflict error for
the predefined "xml" namespace is reported.

GH-208

Patch by KITAITI Makoto

Thanks

NAITOH Jun

KITAITI Makoto

3.3.7

Improvements

Added local entity expansion limit methods

GH-192

GH-202

Reported by takuya kodama.

Patch by NAITOH Jun.

Removed explicit strscan dependency

GH-204

Patch by Bo Anderson.

Thanks

takuya kodama

NAITOH Jun

Bo Anderson

3.3.6

Improvements

Removed duplicated entity expansions for performance.

GH-194

Patch by Viktor Ivarsson.

Improved namespace conflicted attribute check performance. It was
too slow for deep elements.

Reported by l33thaxor.

Fixes

Fixed a bug that default entity expansions are counted for
security check. Default entity expansions should not be counted
because they don't have a security risk.

GH-198

GH-199

Patch Viktor Ivarsson

Fixed a parser bug that parameter entity references in internal
subsets are expanded. It's not allowed in the XML specification.

GH-191

Patch by NAITOH Jun.

Fixed a stream parser bug that user-defined entity references in
text aren't expanded.

GH-200

Patch by NAITOH Jun.

Thanks

Viktor Ivarsson

NAITOH Jun

l33thaxor

3.3.5

Fixes

Fixed a bug that REXML::Security.entity_expansion_text_limit
check has wrong text size calculation in SAX and pull parsers.

GH-193

GH-195

Reported by Viktor Ivarsson.

Patch by NAITOH Jun.

Thanks

Viktor Ivarsson

NAITOH Jun

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

3.3.2

Improvements

Improved parse performance.

GH-160

Patch by NAITOH Jun.

Improved parse performance.

GH-169

GH-170

GH-171

GH-172

GH-173

GH-174

GH-175

GH-176

GH-177

Patch by Watson.

Added support for raising a parse exception when an XML has extra
content after the root element.

GH-161

Patch by NAITOH Jun.

Added support for raising a parse exception when an XML
declaration exists in wrong position.

GH-162

Patch by NAITOH Jun.

Removed needless a space after XML declaration in pretty print mode.

GH-164

Patch by NAITOH Jun.

Stopped to emit :text event after the root element.

GH-167

Patch by NAITOH Jun.

Fixes

Fixed a bug that SAX2 parser doesn't expand predefined entities for
characters callback.

GH-168

Patch by NAITOH Jun.

Thanks

NAITOH Jun

Watson

3.3.1

Improvements

Added support for detecting malformed top-level comments.

GH-145

Patch by Hiroya Fujinami.

Improved REXML::Element#attribute performance.

GH-146

Patch by Hiroya Fujinami.

Added support for detecting malformed <!--> comments.

GH-147

Patch by Hiroya Fujinami.

Added support for detecting unclosed DOCTYPE.

GH-152

Patch by Hiroya Fujinami.

Added changlog_uri metadata to gemspec.

GH-156

Patch by fynsta.

Improved parse performance.

GH-157

GH-158

Patch by NAITOH Jun.

Fixes

Fixed a bug that large XML can't be parsed.

GH-154

Patch by NAITOH Jun.

Fixed a bug that private constants are visible.

GH-155

Patch by NAITOH Jun.

Thanks

Hiroya Fujinami

NAITOH Jun

fynsta

3.3.0

Improvements

Added support for strscan 0.7.0 installed with Ruby 2.6.

GH-142

Reported by Fernando Trigoso.

Thanks

Fernando Trigoso

3.2.9

Improvements

Added support for old strscan.

GH-132

Reported by Adam

Improved attribute value parse performance.

GH-135

Patch by NAITOH Jun.

Improved REXML::Node#each_recursive performance.

GH-134

GH-139

Patch by Hiroya Fujinami.

Improved text parse performance.

Reported by mprogrammer.

Thanks

Adam

NAITOH Jun

Hiroya Fujinami

mprogrammer

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.

🗑️ strscan (removed)

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Update rexml to version 3.3.9

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🚨 [security] Update rexml 3.2.8 → 3.3.6 (minor) #508

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🚨 [security] Update rexml 3.2.8 → 3.3.9 (minor) #518

🚨 [security] Update rexml 3.2.8 → 3.3.9 (minor) #518

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🚨 [security] Update rexml 3.2.8 → 3.3.9 (minor) #518

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🚨 [security] Update rexml 3.2.8 → 3.3.9 (minor) #518

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What changed?

↗️ rexml (indirect, 3.2.8 → 3.3.9) · Repo · Changelog

Impact

Patches

Workarounds

References

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Improvements

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🗑️ strscan (removed)