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CVE-2017-17742

Published: 3 April 2018

Ruby before 2.2.10, 2.3.x before 2.3.7, 2.4.x before 2.4.4, 2.5.x before 2.5.1, and 2.6.0-preview1 allows an HTTP Response Splitting attack. An attacker can inject a crafted key and value into an HTTP response for the HTTP server of WEBrick.

From the Ubuntu Security Team

It was discovered that JRuby mishandled newline characters in HTTP response headers. A remote attacker could use this vulnerability to display malicious content to HTTP clients.

Priority

Medium

Cvss 3 Severity Score

5.3

Score breakdown

Status

Package Release Status
ruby1.9.1
Launchpad, Ubuntu, Debian
impish Does not exist

artful Does not exist

bionic Does not exist

upstream Needs triage

xenial Does not exist

hirsute Does not exist

jammy Does not exist

focal Does not exist

groovy Does not exist

kinetic Does not exist

lunar Does not exist

trusty
Released (1.9.3.484-2ubuntu1.12)
mantic Does not exist

ruby2.0
Launchpad, Ubuntu, Debian
impish Does not exist

artful Does not exist

bionic Does not exist

upstream Needs triage

xenial Does not exist

hirsute Does not exist

jammy Does not exist

focal Does not exist

groovy Does not exist

kinetic Does not exist

lunar Does not exist

trusty
Released (2.0.0.484-1ubuntu2.10)
mantic Does not exist

ruby2.3
Launchpad, Ubuntu, Debian
impish Does not exist

artful
Released (2.3.3-1ubuntu1.6)
hirsute Does not exist

jammy Does not exist

focal Does not exist

groovy Does not exist

kinetic Does not exist

bionic Does not exist

lunar Does not exist

trusty Does not exist

upstream Needs triage

xenial
Released (2.3.1-2~16.04.10)
mantic Does not exist

ruby2.5
Launchpad, Ubuntu, Debian
impish Does not exist

hirsute Does not exist

jammy Does not exist

kinetic Does not exist

artful Does not exist

bionic
Released (2.5.1-1)
focal Does not exist

groovy Does not exist

lunar Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

mantic Does not exist

jruby
Launchpad, Ubuntu, Debian
impish Ignored
(end of life)
hirsute Ignored
(end of life)
bionic Needed

cosmic Ignored
(end of life)
groovy Ignored
(end of life)
upstream Needs triage

disco Ignored
(end of life)
eoan Ignored
(end of life, was needed)
focal Needed

trusty
Released (1.5.6-9+deb8u2build0.14.04.1~esm2)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
xenial Needed

mantic Needs triage

lunar Ignored
(end of life, was needs-triage)

Severity score breakdown

Parameter Value
Base score 5.3
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact Low
Availability impact None
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N