Cross-site scripting in Ruby on Rails - CVE-2016-6316
Published: September 14, 2016 / Updated: September 22, 2017
Vulnerability details
Vulnerability allows a remote attacker to perform XSS attacks.
The vulnerability is caused by an input validation error in Action View in Ruby on Rails 3.x before 3.2.22.3, 4.x before 4.2.7.1, and 5.x before 5.0.0.1. A remote authenticated attacker can trick the victim to follow a specially specially crafted link and execute arbitrary HTML and script code in victim's browser in security context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
Affected software
Debian Linux
Fedora
ror40-rubygem-actionpack (Red Hat package)
rh-ror41-rubygem-actionview (Red Hat package)
rubygem-actionview
rubygem-actioncable
rubygem-actionmailer
rubygem-activejob
rubygem-activemodel
rubygem-activerecord
rubygem-activesupport
rubygem-rails
rubygem-actionpack
rubygem-railties
How to mitigate CVE-2016-6316
rh-ror41-rubygem-actionview (Red Hat package) - addressed in versions 4.1.5-6.el6, 4.1.5-6.el7
rubygem-actionview - addressed in versions 4.2.3-6.fc23, 4.2.5.2-3.fc24, 5.0.0.1-2.fc25
rubygem-actioncable - update to 5.0.0.1-1.fc25
rubygem-actionmailer - update to 5.0.0.1-1.fc25
rubygem-activejob - update to 5.0.0.1-1.fc25
rubygem-activemodel - update to 5.0.0.1-1.fc25
rubygem-activerecord - update to 5.0.0.1-1.fc25
rubygem-activesupport - update to 5.0.0.1-1.fc25
rubygem-rails - update to 5.0.0.1-1.fc25
rubygem-actionpack - update to 5.0.0.1-2.fc25
rubygem-railties - update to 5.0.0.1-2.fc25
External References
- https://github.com/rails/rails/commit/8f544bc447612924a50c37ead085a0ea4c217439
- https://github.com/rails/rails/commit/d40e5f0033329f8269c97d9480749a92817a2968
- https://github.com/rails/rails/commit/f05af91c68debc0230c302aa9031a253f8786b87
- https://github.com/rails/rails/commit/2bcb88c9ce7d6fb1f158f54918eb7f936bd33ce9
- https://github.com/rails/rails/commit/4bcccf5ecd81a6272479537911b7d9760c5be164
- https://github.com/rails/rails/commit/5aabcf25caefbe84f656256a9d3e7fc0c9e14ecc
- https://github.com/rails/rails/commit/efd59ab38231eca1084e85aa990321599308757f
Related Security Bulletins
- Cross-site scripting in Ruby on Rails Action View
- Debian update for rails
- Fedora 25 update for rubygem-actioncable, rubygem-actionmailer, rubygem-actionpack, rubygem-actionview, rubygem-activejob, rubygem-activemodel, rubygem-activerecord, rubygem-activesupport, rubygem-rails, rubygem-railties
- Fedora 23 update for rubygem-actionview
- Fedora 24 update for rubygem-actionview
- Red Hat Software Collections update for ror40-rubygem-actionpack
- Red Hat Software Collections update for rh-ror41-rubygem-actionview