Update dependency activesupport to "~> 5.2.8.0" [SECURITY]

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
activesupport (source, changelog)	"~> 5.2.4.3" -> "~> 5.2.8.0"

GitHub Vulnerability Alerts

CVE-2023-28120

There is a vulnerability in ActiveSupport if the new bytesplice method is called on a SafeBuffer with untrusted user input.
This vulnerability has been assigned the CVE identifier CVE-2023-28120.

Versions Affected: All. Not affected: None Fixed Versions: 7.0.4.3, 6.1.7.3

Impact

ActiveSupport uses the SafeBuffer string subclass to tag strings as html_safe after they have been sanitized.
When these strings are mutated, the tag is should be removed to mark them as no longer being html_safe.

Ruby 3.2 introduced a new bytesplice method which ActiveSupport did not yet understand to be a mutation.
Users on older versions of Ruby are likely unaffected.

All users running an affected release and using bytesplice should either upgrade or use one of the workarounds immediately.

Workarounds

Avoid calling bytesplice on a SafeBuffer (html_safe) string with untrusted user input.

CVE-2023-22796

There is a possible regular expression based DoS vulnerability in Active Support. This vulnerability has been assigned the CVE identifier CVE-2023-22796.

Versions Affected: All Not affected: None Fixed Versions: 5.2.8.15 (Rails LTS, which is a paid service and not part of the rubygem), 6.1.7.1, 7.0.4.1
Impact

A specially crafted string passed to the underscore method can cause the regular expression engine to enter a state of catastrophic backtracking. This can cause the process to use large amounts of CPU and memory, leading to a possible DoS vulnerability.

This affects String#underscore, ActiveSupport::Inflector.underscore, String#titleize, and any other methods using these.

All users running an affected release should either upgrade or use one of the workarounds immediately.
Releases

The FIXED releases are available at the normal locations.
Workarounds

There are no feasible workarounds for this issue.

Users on Ruby 3.2.0 or greater may be able to reduce the impact by configuring Regexp.timeout.
Patches

To aid users who aren’t able to upgrade immediately we have provided patches for the two supported release series. They are in git-am format and consist of a single changeset.

6-1-Avoid-regex-backtracking-in-Inflector.underscore.patch - Patch for 6.1 series
7-0-Avoid-regex-backtracking-in-Inflector.underscore.patch - Patch for 7.0 series

Please note that only the 7.0.Z and 6.1.Z series are supported at present, and 6.0.Z for severe vulnerabilities. Users of earlier unsupported releases are advised to upgrade as soon as possible as we cannot guarantee the continued availability of security fixes for unsupported releases.

CVE-2023-38037

There is a possible file disclosure of locally encrypted files in Active Support. This vulnerability has been assigned the CVE identifier CVE-2023-38037.

Versions Affected: >= 5.2.0 Not affected: < 5.2.0 Fixed Versions: 7.0.7.1, 6.1.7.5

Impact

ActiveSupport::EncryptedFile writes contents that will be encrypted to a temporary file. The temporary file’s permissions are defaulted to the user’s current umask settings, meaning that it’s possible for other users on the same system to read the contents of the temporary file.

Attackers that have access to the file system could possibly read the contents of this temporary file while a user is editing it.

All users running an affected release should either upgrade or use one of the workarounds immediately.

Releases

The fixed releases are available at the normal locations.

Workarounds

To work around this issue, you can set your umask to be more restrictive like this:

$ umask 0077

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Release Notes

rails/rails (activesupport)

v5.2.8.1: 5.2.8.1

Compare Source

Active Support

• No changes.

Active Model

• No changes.

Active Record

• Change ActiveRecord::Coders::YAMLColumn default to safe_load

  This adds two new configuration options The configuration options are as
  follows:

  • config.active_storage.use_yaml_unsafe_load

  When set to true, this configuration option tells Rails to use the old
  "unsafe" YAML loading strategy, maintaining the existing behavior but leaving
  the possible escalation vulnerability in place. Setting this option to true
  is not recommended, but can aid in upgrading.

  • config.active_record.yaml_column_permitted_classes

  The "safe YAML" loading method does not allow all classes to be deserialized
  by default. This option allows you to specify classes deemed "safe" in your
  application. For example, if your application uses Symbol and Time in
  serialized data, you can add Symbol and Time to the allowed list as follows:

  config.active_record.yaml_column_permitted_classes = [Symbol, Date, Time]
  

  [CVE-2022-32224]

Action View

• No changes.

Action Pack

• No changes.

Active Job

• No changes.

Action Mailer

• No changes.

Action Cable

• No changes.

Active Storage

• No changes.

Railties

• No changes.

v5.2.8: 5.2.8

Compare Source

Active Support

• Fix tag helper regression.

  Eileen Uchitelle

Active Model

• No changes.

Active Record

• No changes.

Action View

• No changes.

Action Pack

• No changes.

Active Job

• No changes.

Action Mailer

• No changes.

Action Cable

• No changes.

Active Storage

• No changes.

Railties

• No changes.

v5.2.7.1: 5.2.7.1

Compare Source

Active Support

• Fix and add protections for XSS in ActionView::Helpers and ERB::Util.

  Add the method ERB::Util.xml_name_escape to escape dangerous characters
  in names of tags and names of attributes, following the specification of XML.

  Álvaro Martín Fraguas

Active Model

• No changes.

Active Record

• No changes.

Action View

• Fix and add protections for XSS in ActionView::Helpers and ERB::Util.

  Escape dangerous characters in names of tags and names of attributes in the
  tag helpers, following the XML specification. Rename the option
  :escape_attributes to :escape, to simplify by applying the option to the
  whole tag.

  Álvaro Martín Fraguas

Action Pack

• Allow Content Security Policy DSL to generate for API responses.

  Tim Wade

Active Job

• No changes.

Action Mailer

• No changes.

Action Cable

• No changes.

Active Storage

• No changes.

Railties

• No changes.

v5.2.7: 5.2.7

Compare Source

Active Support

• Restore support to Ruby 2.2.

  ojab

Active Model

• No changes.

Active Record

• No changes.

Action View

• No changes.

Action Pack

• No changes.

Active Job

• No changes.

Action Mailer

• No changes.

Action Cable

• No changes.

Active Storage

• Fix ActiveStorage.supported_image_processing_methods and
  ActiveStorage.unsupported_image_processing_arguments that were not being applied.

  Rafael Mendonça França

Railties

• No changes.

v5.2.6.3: 5.2.6.3

Compare Source

Active Support

• No changes.

Active Model

• No changes.

Active Record

• No changes.

Action View

• No changes.

Action Pack

• No changes.

Active Job

• No changes.

Action Mailer

• No changes.

Action Cable

• No changes.

Active Storage

• Added image transformation validation via configurable allow-list.

  Variant now offers a configurable allow-list for
  transformation methods in addition to a configurable deny-list for arguments.

  [CVE-2022-21831]

Railties

• No changes.

v5.2.6.2: 5.2.6.2

Compare Source

Active Support

• No changes.

Active Model

• No changes.

Active Record

• No changes.

Action View

• No changes.

Action Pack

• Fix Reloader method signature to work with the new Executor signature

Active Job

• No changes.

Action Mailer

• No changes.

Action Cable

• No changes.

Active Storage

• No changes.

Railties

• No changes.

v5.2.6.1: 5.2.6.1

Compare Source

Active Support

• No changes.

Active Model

• No changes.

Active Record

• No changes.

Action View

• No changes.

Action Pack

• Under certain circumstances, the middleware isn't informed that the
  response body has been fully closed which result in request state not
  being fully reset before the next request

  [CVE-2022-23633]

Active Job

• No changes.

Action Mailer

• No changes.

Action Cable

• No changes.

Active Storage

• No changes.

Railties

• No changes.

v5.2.6: 5.2.6

Compare Source

Active Support

• No changes.

Active Model

• No changes.

Active Record

• No changes.

Action View

• No changes.

Action Pack

• Accept base64_urlsafe CSRF tokens to make forward compatible.

  Base64 strict-encoded CSRF tokens are not inherently websafe, which makes
  them difficult to deal with. For example, the common practice of sending
  the CSRF token to a browser in a client-readable cookie does not work properly
  out of the box: the value has to be url-encoded and decoded to survive transport.

  In this version, we generate Base64 urlsafe-encoded CSRF tokens, which are inherently
  safe to transport. Validation accepts both urlsafe tokens, and strict-encoded
  tokens for backwards compatibility.

  How the tokes are encoded is controllr by the action_controller.urlsafe_csrf_tokens
  config.

  In Rails 5.2.5, the CSRF token format was accidentally changed to urlsafe-encoded.

  Atention: If you already upgraded your application to 5.2.5, set the config
  urlsafe_csrf_tokens to true, otherwise your form submission will start to fail
  during the deploy of this new version.

  Rails.application.config.action_controller.urlsafe_csrf_tokens = true

  If you are upgrading from 5.2.4.x, you don't need to change this configuration.

  Scott Blum, Étienne Barrié

Active Job

• No changes.

Action Mailer

• No changes.

Action Cable

• No changes.

Active Storage

• No changes.

Railties

• No changes.

v5.2.5: 5.2.5

Compare Source

Active Support

• No changes.

Active Model

• No changes.

Active Record

• No changes.

Action View

• No changes.

Action Pack

• No changes.

Active Job

• No changes.

Action Mailer

• No changes.

Action Cable

• No changes.

Active Storage

• Marcel is upgraded to version 1.0.0 to avoid a dependency on GPL-licensed mime types data.

  George Claghorn

Railties

• No changes.

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Configuration

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