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CVE-2018-1000077

Published: 13 March 2018

RubyGems version Ruby 2.2 series: 2.2.9 and earlier, Ruby 2.3 series: 2.3.6 and earlier, Ruby 2.4 series: 2.4.3 and earlier, Ruby 2.5 series: 2.5.0 and earlier, prior to trunk revision 62422 contains a Improper Input Validation vulnerability in ruby gems specification homepage attribute that can result in a malicious gem could set an invalid homepage URL. This vulnerability appears to have been fixed in 2.7.6.

From the Ubuntu Security Team

It was discovered that the RubyGems embedded in JRuby failed to validate the a gem's homepage URL. As a result, a malicious gem could set an invalid or malicious homepage URL.

Notes

AuthorNote
tyhicks
ruby{1.9.1,2.0,2.3} and jruby ship an embedded rubygems.

Priority

Medium

Cvss 3 Severity Score

5.3

Score breakdown

Status

Package Release Status
jruby
Launchpad, Ubuntu, Debian
artful Ignored
(end of life)
bionic Needs triage

cosmic Ignored
(end of life)
disco Not vulnerable
(9.1.17.0-2)
eoan Not vulnerable
(9.1.17.0-3)
focal Not vulnerable
(9.1.17.0-3)
groovy Not vulnerable
(9.1.17.0-3)
hirsute Not vulnerable
(9.1.17.0-3)
impish Not vulnerable
(9.1.17.0-3)
lunar Not vulnerable
(9.1.17.0-3)
mantic Not vulnerable
(9.1.17.0-3)
noble Not vulnerable
(9.1.17.0-3)
trusty
Released (1.5.6-9+deb8u2build0.14.04.1~esm2)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
upstream Needs triage

xenial Needs triage

ruby1.9.1
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

disco Does not exist

eoan Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

mantic Does not exist

noble Does not exist

trusty
Released (1.9.3.484-2ubuntu1.8)
upstream Needs triage

xenial Does not exist

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

bionic Does not exist

cosmic Does not exist

disco Does not exist

eoan Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

mantic Does not exist

noble Does not exist

trusty
Released (2.0.0.484-1ubuntu2.6)
upstream Needs triage

xenial Does not exist

ruby2.1
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

disco Does not exist

eoan Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

mantic Does not exist

noble Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

ruby2.3
Launchpad, Ubuntu, Debian
artful
Released (2.3.3-1ubuntu1.4)
bionic Does not exist

cosmic Does not exist

disco Does not exist

eoan Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

mantic Does not exist

noble Does not exist

trusty Does not exist

upstream Needs triage

xenial
Released (2.3.1-2~16.04.7)
ruby2.5
Launchpad, Ubuntu, Debian
artful Does not exist

bionic
Released (2.5.1-1)
cosmic
Released (2.5.1-1)
disco
Released (2.5.1-1)
eoan
Released (2.5.1-1)
focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

mantic Does not exist

noble Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

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