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CVE-2017-0902

Published: 31 August 2017

RubyGems version 2.6.12 and earlier is vulnerable to a DNS hijacking vulnerability that allows a MITM attacker to force the RubyGems client to download and install gems from a server that the attacker controls.

Notes

AuthorNote
tyhicks
ruby{1.9.1,2.0,2.3} and jruby ship an embedded rubygems.
leosilva
code not present in trusty for version 1.9.1

Priority

Medium

Cvss 3 Severity Score

8.1

Score breakdown

Status

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

cosmic Ignored
(end of life)
disco Ignored
(end of life)
eoan Ignored
(end of life)
focal Needed

groovy Ignored
(end of life)
hirsute Ignored
(end of life)
impish Ignored
(end of life)
lunar Ignored
(end of life, was needs-triage)
mantic Ignored
(end of life, was needs-triage)
noble Needs triage

trusty Needs triage

upstream Needs triage

xenial Needed

zesty Ignored
(end of life)
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 Does not exist
(trusty was not-affected [code not present])
upstream Needs triage

xenial Does not exist

zesty Does not exist

Patches:
upstream: https://github.com/rubygems/rubygems/commit/8d91516fb7037ecfb27622f605dc40245e0f8d32
upstream: https://bugs.ruby-lang.org/attachments/download/6691/rubygems-2613-ruby23.patch
upstream: https://bugs.ruby-lang.org/attachments/download/6690/rubygems-2613-ruby22.patch
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 (2.0.0.484-1ubuntu2.10)
upstream Needs triage

xenial Does not exist

zesty Does not exist

ruby2.3
Launchpad, Ubuntu, Debian
artful
Released (2.3.3-1ubuntu1.3)
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 (2.3.1-2~16.04.6)
zesty Ignored
(end of life)

Severity score breakdown

Parameter Value
Base score 8.1
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H