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CVE-2016-2339

Published: 06 January 2017

An exploitable heap overflow vulnerability exists in the Fiddle::Function.new "initialize" function functionality of Ruby. In Fiddle::Function.new "initialize" heap buffer "arg_types" allocation is made based on args array length. Specially constructed object passed as element of args array can increase this array size after mentioned allocation and cause heap overflow.

Priority

Low

CVSS 3 base score: 9.8

Status

Package Release Status
ruby1.8
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 16.04 ESM (Xenial Xerus) Does not exist

Ubuntu 14.04 ESM (Trusty Tahr) Does not exist

ruby1.9.1
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 16.04 ESM (Xenial Xerus) Does not exist

Ubuntu 14.04 ESM (Trusty Tahr) Does not exist
(trusty was released [1.9.3.484-2ubuntu1.3])
Patches:
Upstream: https://github.com/ruby/ruby/commit/bcc2421b4938fc1d9f5f3fb6ef2320571b27af42
ruby2.0
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 16.04 ESM (Xenial Xerus) Does not exist

Ubuntu 14.04 ESM (Trusty Tahr) Does not exist
(trusty was released [2.0.0.484-1ubuntu2.4])
ruby2.3
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 16.04 ESM (Xenial Xerus) Not vulnerable
(2.3.1-2~16.04)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist