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[Security] Bump actionpack from 6.1.3.1 to 6.1.3.2

Closed Administrator requested to merge dependabot/bundler/actionpack-6.1.3.2 into main

Created by: dependabot-preview[bot]

Bumps actionpack from 6.1.3.1 to 6.1.3.2. This update includes security fixes.

Vulnerabilities fixed

Sourced from The GitHub Security Advisory Database.

Open Redirect in Action Pack Impact

This is similar to CVE-2021-22881. Specially crafted Host headers in combination with certain "allowed host" formats can cause the Host Authorization middleware in Action Pack to redirect users to a malicious website.

Since rails/rails@9bc7ea5, strings in config.hosts that do not have a leading dot are converted to regular expressions without proper escaping. This causes, for example, config.hosts << "sub.example.com" to permit a request with a Host header value of sub-example.com.

Releases

The fixed releases are available at the normal locations.

Workarounds

The following monkey patch put in an initializer can be used as a workaround.

... (truncated)

Affected versions: >= 6.1.0, <= 6.1.3.1

Sourced from The GitHub Security Advisory Database.

Denial of Service in Action Dispatch Impact

There is a possible Denial of Service vulnerability in Action Dispatch. Carefully crafted Accept headers can cause the mime type parser in Action Dispatch to do catastrophic backtracking in the regular expression engine.

Releases

The fixed releases are available at the normal locations.

Workarounds

The following monkey patch placed in an initializer can be used to work around the issue.

module Mime
  class Type
    MIME_REGEXP = /\A(?:\*\/\*|#{MIME_NAME}\/(?:\*|#{MIME_NAME})(?&gt;\s*#{MIME_PARAMETER}\s*)*)\z/
  end
</tr></table>

... (truncated)

Affected versions: >= 6.1.0, <= 6.1.3.1

Sourced from The GitHub Security Advisory Database.

Denial of Service in Action Controller Token Authentication Impact

Impacted code uses authenticate_or_request_with_http_token or authenticate_with_http_token for request authentication. Impacted code will look something like this:

class PostsController &lt; ApplicationController
  before_action :authenticate
private
def authenticate
authenticate_or_request_with_http_token do |token, options|
# ...
end
end
end

... (truncated)

Affected versions: >= 6.1.0, <= 6.1.3.1

Sourced from The GitHub Security Advisory Database.

Information Disclosure / Unintended Method Execution in Action Pack Impact

There is a possible information disclosure / unintended method execution vulnerability in Action Pack when using the redirect_to or polymorphic_url helper with untrusted user input.

Vulnerable code will look like this.

redirect_to(params[:some_param])

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

... (truncated)

Affected versions: >= 6.1.0, <= 6.1.3.1

Release notes

Sourced from actionpack's releases.

6.1.3.2

Active Support

  • No changes.

Active Model

  • No changes.

Active Record

  • No changes.

Action View

  • No changes.

Action Pack

  • Prevent open redirects by correctly escaping the host allow list CVE-2021-22903

  • Prevent catastrophic backtracking during mime parsing CVE-2021-22902

  • Prevent regex DoS in HTTP token authentication CVE-2021-22904

  • Prevent string polymorphic route arguments.

    url_for supports building polymorphic URLs via an array of arguments (usually symbols and records). If a developer passes a user input array, strings can result in unwanted route helper calls.

    CVE-2021-22885

    Gannon McGibbon

Active Job

... (truncated)

Changelog

Sourced from actionpack's changelog.

Rails 6.1.3.2 (May 05, 2021)

  • Prevent open redirects by correctly escaping the host allow list CVE-2021-22903

  • Prevent catastrophic backtracking during mime parsing CVE-2021-22902

  • Prevent regex DoS in HTTP token authentication CVE-2021-22904

  • Prevent string polymorphic route arguments.

    url_for supports building polymorphic URLs via an array of arguments (usually symbols and records). If a developer passes a user input array, strings can result in unwanted route helper calls.

    CVE-2021-22885

    Gannon McGibbon

Commits
  • 75ac626 Preparing for 6.1.3.2 release
  • 9c21201 Prep for release
  • 20a4e60 Prevent slow regex when parsing host authorization header
  • 1439db5 Escape allow list hosts correctly
  • 0303187 Prevent string polymorphic route arguments
  • 40f82dc Prevent catastrophic backtracking during mime parsing
  • See full diff in compare view

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