CVE-2016-2339

Published: Jan 6, 2017Modified: May 6, 2026

9.8

Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability: 3.9 / Impact: 5.9

Source: NVD

Description

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.

Affected (2)

Products: Ruby Lang: Ruby

1 product

Configuration A

2 vulnerable

Vulnerable Software	Affected Versions
Ruby Lang Ruby	Version 2.2.2
Ruby Lang Ruby	Version 2.3.0

Related CWEs

Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

References (6)

http://www.securityfocus.com/bid/91234

Source: cret@cert.org

http://www.talosintelligence.com/reports/TALOS-2016-0034/

Source: cret@cert.org

ExploitTechnical DescriptionThird Party AdvisoryVDB Entry

https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html

Source: cret@cert.org

http://www.securityfocus.com/bid/91234

Source: af854a3a-2127-422b-91ae-364da2661108

http://www.talosintelligence.com/reports/TALOS-2016-0034/

Source: af854a3a-2127-422b-91ae-364da2661108

ExploitTechnical DescriptionThird Party AdvisoryVDB Entry

https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html

Source: af854a3a-2127-422b-91ae-364da2661108

Timeline

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