In Nokogiri versions <= 1.11.0.rc3, XML Schemas parsed by Nokogiri::XML::Schema are trusted by default, allowing external resources to be accessed over the network, potentially enabling XXE or SSRF attacks.
This behavior is counter to the security policy followed by Nokogiri maintainers, which is to treat all input as untrusted by default whenever possible.
Please note that this security fix was pushed into a new minor version, 1.11.x, rather than a patch release to the 1.10.x branch, because it is a breaking change for some schemas and the risk was assessed to be "Low Severity".
Affected Versions
Nokogiri <= 1.10.10 as well as prereleases 1.11.0.rc1, 1.11.0.rc2, and 1.11.0.rc3
Nokogiri::XML::Schema trusts input by default, exposing risk of an XXE vulnerability
Description
In Nokogiri versions <= 1.11.0.rc3, XML Schemas parsed by Nokogiri::XML::Schema
are trusted by default, allowing external resources to be accessed over the
network, potentially enabling XXE or SSRF attacks.
This behavior is counter to
the security policy followed by Nokogiri maintainers, which is to treat all input
as untrusted by default whenever possible.
Please note that this security
fix was pushed into a new minor version, 1.11.x, rather than a patch release to
the 1.10.x branch, because it is a breaking change for some schemas and the risk
was assessed to be "Low Severity".
Affected Versions
Nokogiri <= 1.10.10 as well as prereleases 1.11.0.rc1, 1.11.0.rc2, and 1.11.0.rc3
[CRuby] If libxml-ruby is loaded before nokogiri, the SAX and Push parsers no longer call libxml-ruby's handlers. Instead, they defensively override the libxml2 global handler before parsing. [#2168]
Faster, more reliable installation: Native Gems for Linux and OSX/Darwin
"Native gems" contain pre-compiled libraries for a specific machine architecture. On supported platforms, this removes the need for compiling the C extension and the packaged libraries. This results in much faster installation and more reliable installation, which as you probably know are the biggest headaches for Nokogiri users.
We've been shipping native Windows gems since 2009, but starting in v1.11.0 we are also shipping native gems for these platforms:
Linux: x86-linux and x86_64-linux -- including musl platforms like alpine
OSX/Darwin: x86_64-darwin and arm64-darwin
We'd appreciate your thoughts and feedback on this work at #2075.
Dependencies
Ruby
This release introduces support for Ruby 2.7 and 3.0 in the precompiled native gems.
[CRuby] If libxml-ruby is loaded before nokogiri, the SAX and Push parsers no longer call libxml-ruby's handlers. Instead, they defensively override the libxml2 global handler before parsing. [#2168]
v1.11.0 / 2021-01-03
Notes
Faster, more reliable installation: Native Gems for Linux and OSX/Darwin
"Native gems" contain pre-compiled libraries for a specific machine architecture. On supported platforms, this removes the need for compiling the C extension and the packaged libraries. This results in much faster installation and more reliable installation, which as you probably know are the biggest headaches for Nokogiri users.
We've been shipping native Windows gems since 2009, but starting in v1.11.0 we are also shipping native gems for these platforms:
Linux: x86-linux and x86_64-linux -- including musl platforms like alpine
OSX/Darwin: x86_64-darwin and arm64-darwin
We'd appreciate your thoughts and feedback on this work at #2075.
Dependencies
Ruby
This release introduces support for Ruby 2.7 and 3.0 in the precompiled native gems.
JRuby 9.1, which is the Ruby 2.3-compatible release.
Gems
Explicitly add racc as a runtime dependency. [#1988] (Thanks, @voxik!)
[MRI] Upgrade mini_portile2 dependency from ~> 2.4.0 to ~> 2.5.0 [#2005] (Thanks, @alejandroperea!)
Security
See note below about CVE-2020-26247 in the "Changed" subsection entitled "XML::Schema parsing treats input as untrusted by default".
Added
Add Node methods for manipulating "keyword attributes" (for example, class and rel): #kwattr_values, #kwattr_add, #kwattr_append, and #kwattr_remove. [#2000]
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Bumps nokogiri from 1.10.9 to 1.11.1. This update includes security fixes.
Vulnerabilities fixed
Sourced from The GitHub Security Advisory Database.
Sourced from The Ruby Advisory Database.
Release notes
Sourced from nokogiri's releases.
Changelog
Sourced from nokogiri's changelog.
Commits
7be6f04
version bump to v1.11.1aa0c399
dev: overhaul .gitignore3d90c6d
Merge pull request #2169 from sparklemotion/2168-active-support-test-failurebbf850c
changelog: update for #2168ee69772
ci: another valgrind suppressionf9a2c4e
fix: restore proper error handling in the SAX push parser35aa88b
fix(cruby): reset libxml2's error handler in sax and push parsers07459fd
fix(test): clobber libxml2's global error handler before every testb682ac5
ci: ensure all tests are runningsetup
007662f
github: update "installation difficulty" issue templateDependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting
@dependabot rebase
.Dependabot commands and options
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