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🚨 [security] Update rexml 3.3.0 → 3.3.6 (patch) #183

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🚨 [security] Update rexml 3.3.0 → 3.3.6 (patch) #183

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@depfu depfu bot commented Aug 27, 2024

🚨 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, 3.3.0 → 3.3.6) · Repo · Changelog

Security Advisories 🚨

🚨 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.

🚨 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

🚨 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

🚨 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

Release Notes

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.

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

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

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

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

  • Added more tests for invalid XMLs.

  • 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.

  • Improved parse performance.

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

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

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

  • Stopped to emit :text event after the root element.

Fixes

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

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.

  • Improved parse performance.

Fixes

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

  • Fixed a bug that private constants are visible.

Thanks

  • Hiroya Fujinami

  • NAITOH Jun

  • fynsta

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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@depfu depfu bot added the depfu label Aug 27, 2024
@depfu depfu bot mentioned this pull request Aug 27, 2024
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depfu bot commented Oct 28, 2024

Closed in favor of #185.

@depfu depfu bot closed this Oct 28, 2024
@depfu depfu bot deleted the depfu/update/rexml-3.3.6 branch October 28, 2024 16:36
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