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CVE-2017-0903

Published: 11 October 2017

RubyGems versions between 2.0.0 and 2.6.13 are vulnerable to a possible remote code execution vulnerability. YAML deserialization of gem specifications can bypass class white lists. Specially crafted serialized objects can possibly be used to escalate to remote code execution.

Notes

AuthorNote
tyhicks
ruby{1.9.1,2.0,2.3} and jruby ship an embedded rubygems.
leosilva
following http://www.openwall.com/lists/oss-security/2017/10/10/2, versions < 2.0.0 of ruby
are not affected
Priority

Medium

CVSS 3 base score: 9.8

Status

Package Release Status
jruby
Launchpad, Ubuntu, Debian
artful Ignored
(reached end-of-life)
bionic Not vulnerable
(0.1.17.0-1~18.04)
cosmic Ignored
(reached end-of-life)
disco Not vulnerable
(0.1.17.0-1~18.04)
eoan Not vulnerable
(0.1.17.0-1~18.04)
focal Not vulnerable
(0.1.17.0-1~18.04)
groovy Not vulnerable
(0.1.17.0-1~18.04)
hirsute Not vulnerable
(0.1.17.0-1~18.04)
impish Not vulnerable
(0.1.17.0-1~18.04)
precise Does not exist

trusty Needs triage

upstream
Released (0.1.17.0-1~18.04)
xenial Ignored
(end of standard support, was needed)
zesty Ignored
(reached 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

precise 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

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

precise Does not exist

trusty Does not exist
(trusty was 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

precise Does not exist

trusty Does not exist

upstream Needs triage

xenial
Released (2.3.1-2~16.04.6)
zesty Ignored
(reached end-of-life)