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CVE-2018-3779

Published: 10 August 2018

active-support ruby gem 5.2.0 could allow a remote attacker to execute arbitrary code on the system, caused by containing a malicious backdoor. An attacker could exploit this vulnerability to execute arbitrary code on the system.

Notes

AuthorNote
seth-arnold
In Oneiric-Saucy, rails package is just for transition;
The rails package contains actual code from vivid onward
msalvatore
Based on the hackerone report, a fake gem named "active-support" was
released to trick people into downloading the malicious
"active-support" gen instead of the official "activesupport" gem.

Priority

High

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package Release Status
rails
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(code not present)
cosmic Ignored
(end of life)
disco Not vulnerable
(code not present)
eoan Not vulnerable
(code not present)
trusty Does not exist
(trusty was not-affected [contains no code])
upstream Not vulnerable
(code not present)
xenial Not vulnerable
(code not present)
rails-4.0
Launchpad, Ubuntu, Debian
bionic Does not exist

cosmic Does not exist

disco Does not exist

eoan Does not exist

trusty Does not exist
(trusty was needs-triage)
upstream Not vulnerable
(code not present)
xenial Does not exist

ruby-actionpack-3.2
Launchpad, Ubuntu, Debian
bionic Does not exist

cosmic Does not exist

disco Does not exist

eoan Does not exist

trusty Does not exist
(trusty was needs-triage)
upstream Not vulnerable
(code not present)
xenial Does not exist

ruby-activemodel-3.2
Launchpad, Ubuntu, Debian
bionic Does not exist

cosmic Does not exist

disco Does not exist

eoan Does not exist

trusty Does not exist
(trusty was needs-triage)
upstream Not vulnerable
(code not present)
xenial Does not exist

ruby-activerecord-3.2
Launchpad, Ubuntu, Debian
bionic Does not exist

cosmic Does not exist

disco Does not exist

eoan Does not exist

trusty Does not exist
(trusty was needs-triage)
upstream Not vulnerable
(code not present)
xenial Does not exist

ruby-activesupport-3.2
Launchpad, Ubuntu, Debian
bionic Does not exist

cosmic Does not exist

disco Does not exist

eoan Does not exist

trusty Does not exist
(trusty was needs-triage)
upstream Not vulnerable
(code not present)
xenial Does not exist

ruby-rails-3.2
Launchpad, Ubuntu, Debian
bionic Does not exist

cosmic Does not exist

disco Does not exist

eoan Does not exist

trusty Does not exist
(trusty was needs-triage)
upstream Not vulnerable
(code not present)
xenial Does not exist

Severity score breakdown

Parameter Value
Base score 9.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H