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Rails 2.3 LTS Changelog

May 19th, 2020: Version 2.3.18.31

Addressed "Potentially unintended unmarshalling of user-provided objects in MemCacheStore" [CVE-2020-8165].
Note that potential code changes are needed, see here for details

May 16th, 2020: Version 2.3.18.30

Backported fix for potential remote code execution of user-provided local names CVE-2020-8163, see details.

May 15th, 2020: Announcement regarding CVE-2020-8161 and CVE-2018-16471

No Rails 2.3 LTS release was necessary.
We forked rack to backport CVE-2020-8161.
We also included the backport of the past vulnerability CVE-2018-16471 in the fork.
For more information read our advisory.

May 07th, 2020: Version 2.3.18.29

Backported fix for arbitrary file write/potential remote code execution attack in actionpack (CVE-2020-8159), see details

May 06th, 2020: Version 2.3.18.28

Backported fix for information disclosure vulnerability in Active Resource (CVE-2020-8151), see details

Apr 30th, 2020: Version 2.3.18.27

Fixed a "floating point exception" crash which occasionally happened in tests only, on Ruby 1.8.7, on newer linux kernels. This works around an apparent bug within Ruby 1.8.7 itself.

Mar 20th, 2020: Version 2.3.18.26

Fixed an XSS vulnerability in #escape_javascript (CVE-2020-5267), see details
Fixed additional XSS vulnerabilities in #escape_javascript and #escape_json, see details

Dec 22nd, 2019: Version 2.3.18.25

Fixed ActiveRecord::SessionStore to not be vulnerable to timing attacks that can lead to session hijacking (CVE-2019-16782). see details

Mar 22nd, 2019: Amendment to CVE-2019-5418

The previously reported CVE 2019-5418 has been upgraded to possible remote code execution. Rails LTS 2.3.18.24 protects your application against this exploit.

Mar 14th, 2019: Version 2.3.18.24

Backport fixes for ActionView format / MIME type parsing (CVE-2019-5418 and CVE-2019-5419) (see details)
Confirmed that 2.3 LTS is not affected by CVE-2019-5420.

Jan 23rd, 2019: Version 2.3.18.23

Add compatibility with Ruby 2.5.

Nov 20th, 2018: Version 2.3.18.22

Fix a regression introduced in 2.3.18.19 where calling #respond_to? on a named scope would sometimes cause the scope to be loaded.

Oct 10th, 2018: Version 2.3.18.21

Fix parameter filtering (password etc) in log files for Ruby 2.3.

Aug 2nd, 2018: Version 2.3.18.20

Fixed a crash when using rails new-app. This is not a security issue.

Mar 21st, 2018: Version 2.3.18.19

Rails LTS 2.3 receives support for Ruby 2.3. For details see Ruby 2.3 support.
Rails LTS 2.3 receives support for RubyGems 2.x. For details see RubyGems 2.x support for Rails 2.3 LTS
No changes when running on Ruby 1.8.7 and RubyGems 1.x.

Mar 20th, 2018: Not affected by sanitization CVEs

A vulnerability was disclosed for some Ruby sanitization gems like loofah (CVE-2018-8048) and sanitize (CVE-2018-3740). This also affects recent Rails versions, whose sanitize() helper depends on loofah.

We have confirmed that the sanitize() helper in Rails 2.3 is not affected by this issue.

Note that if your application uses one of the affected gems directly, you may still be affected and should update to the latest version of these gems.

Aug 12th, 2016: Version 2.3.18.18

Fixes an issue similar to CVE-2016-6316: Possible XSS Vulnerability in Action View that occured when #content_tag was called with (escape = false). More Details

Apr 1st, 2016: Version 2.3.18.17

This is a bugfix release only, no security issues have been fixed.

Fixes issues when using the rake rails:freeze:gems command
Depend on rake < 11.0, since rake 11 is no longer 1.8.7 compatible.

Mar 1st, 2016: Version 2.3.18.16

More Details

Jan 26th, 2016: Version 2.3.18.15

Backported a fix for CVE-2016-0751: Possible Object Leak and Denial of Service attack in Action Pack

Backported a fix for CVE-2016-0753: Possible Input Validation Circumvention in Active Model

More Details

Nov 10th, 2015: Version 2.3.18.14

Added support for installing LTS via our own gem server to reduce download times.

June 17th, 2015: Version 2.3.18.13

Backported a fix for Possible Denial of Service attack in Active Support (CVE-2015-3227)

You can now upgrade Rails LTS 2.3 to use rack 1.4. You should upgrade rack to at least 1.4.6 to address Potential Denial of Service Vulnerability in Rack (CVE-2015-3225).

This release also contains two backward-compatible fixes that makes it easier to upgrade to Ruby 2.2, courtesy of Peter Lind. Note that using Rails 2.3 with Ruby 2+ involves considerable work and is not supported by us.

April 14th, 2015: Ruby patches

A vulnerability was discosed in all versions of Ruby.

Since Ruby 1.8.7 und Ruby 1.9.3 are no longer maintained at this time, we have provided backported fixes for CVE-2015-1855: Ruby OpenSSL Hostname Verification.

Please note that the Rails LTS service only covers security patches for the Rails framework. We are unable to guarantee backported security patches for Ruby 1.8.7 or 1.9.3 in the future.

October 31st, 2014: Version 2.3.18.12

Backported a fix for Arbitrary file existence disclosure in Action Pack (CVE-2014-7818) (2.3 was affected)

Note that was also a vulnerability affecting Sprockets. 2.3 does not use Sprockets by default, but you might have integrated it manually.

June 3rd, 2014: Version 2.3.18.11

Backported a fix for SQL Injection Vulnerability in 'bitstring' quoting (CVE-2014-3482) affecting PostgreSQL users.

Note that there was also "SQL Injection Vulnerability in 'range' quoting" (CVE-2014-3483) which did not affect Rails 2.3.

May 20th, 2014: Version 2.3.18.10

Add a switch to fail on ambiguous table / column names to mitigate Unsafe Query Risk in Active Record.

May 7th, 2014: Version 2.3.18.9

Backported a fix for Directory Traversal Vulnerability With Certain Route Configurations (CVE-2014-0130).

February 19th, 2014: Version 2.3.18.8

Backported patch for XSS Vulnerability in number_to_currency, number_to_percentage and number_to_human (CVE-2014-0081).
CVE-2014-0080 and CVE-2014-0082 do not apply to Rails 2.3.

February 14th, 2014: Version 2.3.18.7

Backported an old security advisory with CVE-2012-1099 to Rails LTS.

January 31st, 2014: Version 2.3.18.6

Rails LTS now offers a version number.

Starting with today's release, you can query RailsLts::VERSION to check which version you are using.

Applications such as Brakeman or Code Climate can make use of that information now, too.

December 4th, 2103: Version 2.3.18.5

Five security advisories were published on the official Rails security list:

CVE-2013-6414
CVE-2013-4491
CVE-2013-6415
CVE-2013-6417
CVE-2013-6416

We provided a patched version of Rails LTS for commercial plans as of today.

November 22nd, 2013

A vulnerability was discosed in all versions of Ruby.

Since Ruby 1.8.7 is no longer maintained at this time, we have provided a Backported fix for "Heap Overflow in Floating Point Parsing (CVE-2013-4164)".

Please note that the Rails LTS service only covers security patches for the Rails framework. We are unable to guarantee backported security patches for Ruby 1.8.7 in the future.

October 16th, 2103

150 days without accident! After a storm of severe security vulnerabilities earlier this year, the Ruby on Rails framework seems to be enjoying a short respite.
We continue to monitor the official Rails security list for new advisories.

June 20th, 2013

We are now officially supporting installation without Bundler or Git.

June 18th, 2013

Added missing tests that ensure fixes for CVE-2012-2660, CVE-2012-2694 and CVE-2013-0155.

June 3rd, 2013: Version 2.3.18.4

Fix XSS vulnerability in the translate helper method in Ruby on Rails.

This vulnerability was disclosed a long time ago (in November 2011) and affects Rails 2.3 applications with the rails_xss plugin. However, a fix for Rails 2.3 was never released, so we have fixed this in Rails LTS.

May 29th, 2013: Version 2.3.18.3

Backported a fix for a bug in the built-in HTML tokenizer, which would crash for certain types of malformed HTML.

May 27th, 2013

Fixed many broken tests.

May 21st, 2013: Version 2.3.18.2

Added optional switches to disable the parsing of XML params and JSON params. These are disabled by default in order to preserve compatibility with Rails 2.3.18.

The switches are enabled in hardened configuration mode.

May 15th, 2013: Version 2.3.18.1

Rails LTS is compatible with the official Rails 2.3.18 release.
Rails LTS now contains fixes for CVE-2012-3464, CVE-2012-3465, CVE-2012-2695.