Your submission was sent successfully! Close

You have successfully unsubscribed! Close

Thank you for signing up for our newsletter!
In these regular emails you will find the latest updates about Ubuntu and upcoming events where you can meet our team.Close

CVE-2021-22881

Published: 11 February 2021

The Host Authorization middleware in Action Pack before 6.1.2.1, 6.0.3.5 suffers from an open redirect vulnerability. Specially crafted `Host` headers in combination with certain "allowed host" formats can cause the Host Authorization middleware in Action Pack to redirect users to a malicious website. Impacted applications will have allowed hosts with a leading dot. When an allowed host contains a leading dot, a specially crafted `Host` header can be used to redirect to a malicious website.

Notes

AuthorNote
seth-arnold
In Oneiric-Saucy, rails package is just for transition;
The rails package contains actual code from vivid onward

Priority

Medium

Cvss 3 Severity Score

6.1

Score breakdown

Status

Package Release Status
rails
Launchpad, Ubuntu, Debian
impish Ignored
(end of life)
groovy Ignored
(end of life)
hirsute Ignored
(end of life)
bionic Needs triage

focal Needs triage

trusty Does not exist

upstream Needs triage

xenial Needs triage

kinetic Ignored
(end of life, was needs-triage)
jammy Needs triage

mantic Needs triage

lunar Ignored
(end of life, was needs-triage)
rails-4.0
Launchpad, Ubuntu, Debian
kinetic Does not exist

lunar Does not exist

impish Does not exist

bionic Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

jammy Does not exist

mantic Does not exist

ruby-actionpack-3.2
Launchpad, Ubuntu, Debian
jammy Does not exist

kinetic Does not exist

lunar Does not exist

impish Does not exist

bionic Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

mantic Does not exist

ruby-activemodel-3.2
Launchpad, Ubuntu, Debian
focal Does not exist

groovy Does not exist

hirsute Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

impish Does not exist

bionic Does not exist

mantic Does not exist

ruby-activerecord-3.2
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

impish Does not exist

mantic Does not exist

ruby-activesupport-3.2
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

impish Does not exist

mantic Does not exist

ruby-rails-3.2
Launchpad, Ubuntu, Debian
jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

impish Does not exist

bionic Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

mantic Does not exist

Severity score breakdown

Parameter Value
Base score 6.1
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Changed
Confidentiality Low
Integrity impact Low
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N