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CVE-2018-1000079

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 Directory Traversal vulnerability in gem installation that can result in the gem could write to arbitrary filesystem locations during installation. This attack appear to be exploitable via the victim must install a malicious gem. This vulnerability appears to have been fixed in 2.7.6.

Notes

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

Priority

Medium

Cvss 3 Severity Score

5.5

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)
upstream Needs triage

groovy Not vulnerable
(9.1.17.0-3)
trusty Needs triage

hirsute Not vulnerable
(9.1.17.0-3)
impish Not vulnerable
(9.1.17.0-3)
lunar Not vulnerable
(9.1.17.0-3)
xenial Needs triage

mantic Not vulnerable
(9.1.17.0-3)
ruby2.1
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

groovy Does not exist

jammy Does not exist

disco Does not exist

eoan Does not exist

focal Does not exist

hirsute Does not exist

impish Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

mantic Does not exist

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

jammy Does not exist

artful Does not exist

bionic Does not exist

cosmic Does not exist

disco Does not exist

eoan Does not exist

focal Does not exist

hirsute Does not exist

impish Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist
(trusty was not-affected [code not present])
upstream Needs triage

xenial Does not exist

mantic Does not exist

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

hirsute Does not exist

jammy Does not exist

artful Does not exist

bionic Does not exist

cosmic Does not exist

disco Does not exist

eoan Does not exist

focal Does not exist

impish Does not exist

kinetic Does not exist

lunar Does not exist

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

xenial Does not exist

mantic Does not exist

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

jammy Does not exist

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

hirsute Does not exist

impish Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

upstream Needs triage

xenial
Released (2.3.1-2~16.04.7)
mantic Does not exist

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

jammy Does not exist

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

hirsute Does not exist

impish Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

mantic Does not exist

Severity score breakdown

Parameter Value
Base score 5.5
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact High
Availability impact None
Vector CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N