CVEvulnerability
CVE-2016-2339
9.8 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2017-01-06
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 9.8 CRITICAL — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-119
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 configurations
• ruby-lang ruby 2.2.2
• ruby-lang ruby 2.3.0
Related
Weakness · CWE (1)
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer weakness
References
- http://www.securityfocus.com/bid/91234 www.securityfocus.com
- http://www.talosintelligence.com/reports/TALOS-2016-0034/ Exploit, Technical Description, Third Party Advisory, VDB Entry
- https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html lists.debian.org
- http://www.securityfocus.com/bid/91234 www.securityfocus.com
- http://www.talosintelligence.com/reports/TALOS-2016-0034/ Exploit, Technical Description, Third Party Advisory, VDB Entry
- https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html lists.debian.org