Candidate: CVE-2020-8264 PublicDate: 2021-01-06 21:15:00 UTC References: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8264 https://groups.google.com/g/rubyonrails-security/c/yQzUVfv42jk/m/oJWw-xhNAQAJ Description: In actionpack gem >= 6.0.0, a possible XSS vulnerability exists when an application is running in development mode allowing an attacker to send or embed (in another page) a specially crafted URL which can allow the attacker to execute JavaScript in the context of the local application. This vulnerability is in the Actionable Exceptions middleware. Ubuntu-Description: Notes: seth-arnold> In Oneiric-Saucy, rails package is just for transition; seth-arnold> The rails package contains actual code from vivid onward ebarretto> Only affects rails >= 6.0.0 Mitigation: Bugs: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=971988 Priority: medium Discovered-by: Assigned-to: CVSS: nvd: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N [6.1 MEDIUM] Patches_rails: upstream_rails: needs-triage precise/esm_rails: DNE trusty_rails: ignored (out of standard support) trusty/esm_rails: DNE xenial_rails: not-affected (code not present) bionic_rails: not-affected (code not present) focal_rails: not-affected (code not present) devel_rails: not-affected (code not present) Patches_ruby-rails-3.2: upstream_ruby-rails-3.2: needs-triage precise/esm_ruby-rails-3.2: DNE trusty_ruby-rails-3.2: ignored (out of standard support) trusty/esm_ruby-rails-3.2: DNE xenial_ruby-rails-3.2: DNE bionic_ruby-rails-3.2: DNE focal_ruby-rails-3.2: DNE devel_ruby-rails-3.2: DNE Patches_ruby-actionpack-3.2: upstream_ruby-actionpack-3.2: needs-triage precise/esm_ruby-actionpack-3.2: DNE trusty_ruby-actionpack-3.2: ignored (out of standard support) trusty/esm_ruby-actionpack-3.2: DNE xenial_ruby-actionpack-3.2: DNE bionic_ruby-actionpack-3.2: DNE focal_ruby-actionpack-3.2: DNE devel_ruby-actionpack-3.2: DNE Patches_ruby-activesupport-3.2: upstream_ruby-activesupport-3.2: needs-triage precise/esm_ruby-activesupport-3.2: DNE trusty_ruby-activesupport-3.2: ignored (out of standard support) trusty/esm_ruby-activesupport-3.2: DNE xenial_ruby-activesupport-3.2: DNE bionic_ruby-activesupport-3.2: DNE focal_ruby-activesupport-3.2: DNE devel_ruby-activesupport-3.2: DNE Patches_ruby-activerecord-3.2: upstream_ruby-activerecord-3.2: needs-triage precise/esm_ruby-activerecord-3.2: DNE trusty_ruby-activerecord-3.2: ignored (out of standard support) trusty/esm_ruby-activerecord-3.2: DNE xenial_ruby-activerecord-3.2: DNE bionic_ruby-activerecord-3.2: DNE focal_ruby-activerecord-3.2: DNE devel_ruby-activerecord-3.2: DNE Patches_ruby-activemodel-3.2: upstream_ruby-activemodel-3.2: needs-triage precise/esm_ruby-activemodel-3.2: DNE trusty_ruby-activemodel-3.2: ignored (out of standard support) trusty/esm_ruby-activemodel-3.2: DNE xenial_ruby-activemodel-3.2: DNE bionic_ruby-activemodel-3.2: DNE focal_ruby-activemodel-3.2: DNE devel_ruby-activemodel-3.2: DNE Patches_rails-4.0: upstream_rails-4.0: needs-triage precise/esm_rails-4.0: DNE trusty_rails-4.0: ignored (out of standard support) trusty/esm_rails-4.0: DNE xenial_rails-4.0: DNE bionic_rails-4.0: DNE focal_rails-4.0: DNE devel_rails-4.0: DNE