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Moderate severity vulnerability that affects nokogiri
xmlStringLenDecodeEntities in parser.c in libxml2 2.9.10 has an infinite loop in a certain end-of-file situation.
The Nokogiri RubyGem has patched it's vendored copy of libxml2 in order to prevent this issue from affecting nokogiri.
libxml2 2.9.10 has an infinite loop in a certain end-of-file situation
Nokogiri has backported the patch for CVE-2020-7595 into its vendored version
of libxml2, and released this as v1.10.8
CVE-2020-7595 has not yet been addressed in an upstream libxml2 release, and
so Nokogiri versions <= v1.10.7 are vulnerable.
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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Coverage remained the same at 97.931% when pulling 367303cc4a6706bab436d7e05cbf164cf6c29683 on dependabot/bundler/nokogiri-1.11.1 into f7fee9544b87b5dd190245c4df7d77b45282304a on master.
Bumps nokogiri from 1.10.7 to 1.11.1. This update includes security fixes.
Vulnerabilities fixed
Sourced from The GitHub Security Advisory Database.
Sourced from The Ruby Advisory Database.
Sourced from The GitHub Security Advisory Database.
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Sourced from The Ruby Advisory Database.
... (truncated)
Release notes
Sourced from nokogiri's releases.
... (truncated)
Changelog
Sourced from nokogiri's changelog.
... (truncated)
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
You can trigger Dependabot actions by commenting on this PR: - `@dependabot rebase` will rebase this PR - `@dependabot recreate` will recreate this PR, overwriting any edits that have been made to it - `@dependabot merge` will merge this PR after your CI passes on it - `@dependabot squash and merge` will squash and merge this PR after your CI passes on it - `@dependabot cancel merge` will cancel a previously requested merge and block automerging - `@dependabot reopen` will reopen this PR if it is closed - `@dependabot close` will close this PR and stop Dependabot recreating it. You can achieve the same result by closing it manually - `@dependabot ignore this major version` will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself) - `@dependabot ignore this minor version` will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself) - `@dependabot ignore this dependency` will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself) - `@dependabot use these labels` will set the current labels as the default for future PRs for this repo and language - `@dependabot use these reviewers` will set the current reviewers as the default for future PRs for this repo and language - `@dependabot use these assignees` will set the current assignees as the default for future PRs for this repo and language - `@dependabot use this milestone` will set the current milestone as the default for future PRs for this repo and language - `@dependabot badge me` will comment on this PR with code to add a "Dependabot enabled" badge to your readme Additionally, you can set the following in your Dependabot [dashboard](https://app.dependabot.com): - Update frequency (including time of day and day of week) - Pull request limits (per update run and/or open at any time) - Automerge options (never/patch/minor, and dev/runtime dependencies) - Out-of-range updates (receive only lockfile updates, if desired) - Security updates (receive only security updates, if desired)