[Security] Bump actionview from 4.2.5 to 4.2.11.1

[dependabot-preview]

Bumps actionview from 4.2.5 to 4.2.11.1. This update includes security fixes.

Vulnerabilities fixed

Sourced from The GitHub Security Advisory Database.

High severity vulnerability that affects actionview

File Content Disclosure in Action View

Impact

There is a possible file content disclosure vulnerability in Action View.
Specially crafted accept headers in combination with calls to render file:
can cause arbitrary files on the target server to be rendered, disclosing the
file contents.

The impact is limited to calls to render which render file contents without
a specified accept format. Impacted code in a controller looks something like
this:

class UserController < ApplicationController 
  def index 
    render file: "#{Rails.root}/some/file" 
  end 
end 

... (truncated)

Affected versions: >= 4.0.0, <= 4.2.11

Sourced from The GitHub Security Advisory Database.

Critical severity vulnerability that affects actionview

Denial of Service Vulnerability in Action View

Impact

Specially crafted accept headers can cause the Action View template location
code to consume 100% CPU, causing the server unable to process requests. This
impacts all Rails applications that render views.

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

Releases

The 6.0.0.beta3, 5.2.2.1, 5.1.6.2, 5.0.7.2, and 4.2.11.1 releases are
available at the normal locations.

Workarounds

This vulnerability can be mitigated by wrapping render calls with
respond_to blocks. For example, the following example is vulnerable:

... (truncated)

Affected versions: >= 4.0.0, <= 4.2.11

Sourced from The Ruby Advisory Database.

Possible XSS Vulnerability in Action View
There is a possible XSS vulnerability in Action View. Text declared as "HTML
safe" will not have quotes escaped when used as attribute values in tag
helpers.

Impact

Text declared as "HTML safe" when passed as an attribute value to a tag helper
will not have quotes escaped which can lead to an XSS attack. Impacted code
looks something like this:

content_tag(:div, "hi", title: user_input.html_safe)

Some helpers like the sanitize helper will automatically mark strings as
"HTML safe", so impacted code could also look something like this:

content_tag(:div, "hi", title: sanitize(user_input))
</tr></table> ... (truncated)

Patched versions: \~> 4.2.7.1; \~> 4.2.8; >= 5.0.0.1
Unaffected versions: < 3.0.0

Sourced from The Ruby Advisory Database.

Possible Information Leak Vulnerability in Action View
There is a possible directory traversal and information leak vulnerability in
Action View. This vulnerability has been assigned the CVE identifier
CVE-2016-0752.

Versions Affected: All.
Not affected: None.
Fixed Versions: 5.0.0.beta1.1, 4.2.5.1, 4.1.14.1, 3.2.22.1

Impact

Applications that pass unverified user input to the render method in a
controller may be vulnerable to an information leak vulnerability.

Impacted code will look something like this:

def index
  render params[:id]
end

... (truncated)

Patched versions: >= 5.0.0.beta1.1; ~> 4.2.5, >= 4.2.5.1; ~> 4.1.14, >= 4.1.14.1
Unaffected versions: none

Commits

• e06a1e0 Prep release
• 58ed245 Only accept formats from registered mime types
• 474b739 Preparing for 4.2.11 release
• 0cada53 Do not deserialize GlobalID objects that were not generated by Active Job
• 22aec58 Tweak queue_classic and pg versions
• 3e84bb3 Lock pg gem to < 0.21.0
• 73b43c9 Fix tests on Mail 2.7.1
• 3804d01 Update sidekiq
• 06e2c91 Update lockfile to match Gemfile rake spec
• 51b3394 Lock Sidekiq for < 5 for Ruby 2.2
• Additional commits viewable in compare view

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