CVE-2015-7576

Published: 16 February 2016

The http_basic_authenticate_with method in actionpack/lib/action_controller/metal/http_authentication.rb in the Basic Authentication implementation in Action Controller in Ruby on Rails before 3.2.22.1, 4.0.x and 4.1.x before 4.1.14.1, 4.2.x before 4.2.5.1, and 5.x before 5.0.0.beta1.1 does not use a constant-time algorithm for verifying credentials, which makes it easier for remote attackers to bypass authentication by measuring timing differences.

Priority

Medium

CVSS 3 base score: 3.7

Status

Package Release Status
rails
Launchpad, Ubuntu, Debian
Upstream
Released (5.0.0.beta1.1, 4.2.5.1, 4.1.14.1, 3.2.22.1)
Ubuntu 18.04 LTS (Bionic Beaver) Not vulnerable
(2:4.2.6-1)
Ubuntu 16.04 LTS (Xenial Xerus) Not vulnerable
(2:4.2.6-1)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist
(trusty was not-affected [contains no code])
Patches:
Upstream: https://marc.info/?l=oss-security&m=145375027528562&w=2
rails-4.0
Launchpad, Ubuntu, Debian
Upstream Not vulnerable

Ubuntu 18.04 LTS (Bionic Beaver) Does not exist

Ubuntu 16.04 LTS (Xenial Xerus) Does not exist

Ubuntu 14.04 ESM (Trusty Tahr) Does not exist
(trusty was needed)
ruby-actionpack-2.3
Launchpad, Ubuntu, Debian
Upstream Ignored
(reached end-of-life)
Ubuntu 18.04 LTS (Bionic Beaver) Does not exist

Ubuntu 16.04 LTS (Xenial Xerus) Does not exist

Ubuntu 14.04 ESM (Trusty Tahr) Does not exist

ruby-actionpack-3.2
Launchpad, Ubuntu, Debian
Upstream Not vulnerable

Ubuntu 18.04 LTS (Bionic Beaver) Does not exist

Ubuntu 16.04 LTS (Xenial Xerus) Does not exist

Ubuntu 14.04 ESM (Trusty Tahr) Does not exist
(trusty was needed)
ruby-activerecord-2.3
Launchpad, Ubuntu, Debian
Upstream Ignored
(reached end-of-life)
Ubuntu 18.04 LTS (Bionic Beaver) Does not exist

Ubuntu 16.04 LTS (Xenial Xerus) Does not exist

Ubuntu 14.04 ESM (Trusty Tahr) Does not exist

ruby-activerecord-3.2
Launchpad, Ubuntu, Debian
Upstream Not vulnerable

Ubuntu 18.04 LTS (Bionic Beaver) Does not exist

Ubuntu 16.04 LTS (Xenial Xerus) Does not exist

Ubuntu 14.04 ESM (Trusty Tahr) Does not exist
(trusty was not-affected)
ruby-activesupport-2.3
Launchpad, Ubuntu, Debian
Upstream Ignored
(reached end-of-life)
Ubuntu 18.04 LTS (Bionic Beaver) Does not exist

Ubuntu 16.04 LTS (Xenial Xerus) Does not exist

Ubuntu 14.04 ESM (Trusty Tahr) Does not exist

ruby-activesupport-3.2
Launchpad, Ubuntu, Debian
Upstream Not vulnerable

Ubuntu 18.04 LTS (Bionic Beaver) Does not exist

Ubuntu 16.04 LTS (Xenial Xerus) Does not exist

Ubuntu 14.04 ESM (Trusty Tahr) Does not exist
(trusty was not-affected)
ruby-rails-2.3
Launchpad, Ubuntu, Debian
Upstream Ignored
(reached end-of-life)
Ubuntu 18.04 LTS (Bionic Beaver) Does not exist

Ubuntu 16.04 LTS (Xenial Xerus) Does not exist

Ubuntu 14.04 ESM (Trusty Tahr) Does not exist

ruby-rails-3.2
Launchpad, Ubuntu, Debian
Upstream Not vulnerable

Ubuntu 18.04 LTS (Bionic Beaver) Does not exist

Ubuntu 16.04 LTS (Xenial Xerus) Does not exist

Ubuntu 14.04 ESM (Trusty Tahr) Does not exist
(trusty was not-affected)

Notes

AuthorNote
seth-arnold
In Oneiric-Saucy, rails package is just for transition;
The rails package contains actual code from vivid onward
precise_ruby-actionpack-2.3 -- documentation is buggy but
doesn't contain an implmentation itself.

References