CVE-2016-2339

Upstream information

CVE-2016-2339 at MITRE

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.

SUSE information

CVSS v2 Scores
	National Vulnerability Database	SUSE
Base Score	7.48	6.82
Vector	AV:N/AC:L/Au:N/C:P/I:P/A:P	AV:N/AC:M/Au:N/C:P/I:P/A:P
Access Vector	Network	Network
Access Complexity	Low	Medium
Authentication	None	None
Confidentiality Impact	Partial	Partial
Integrity Impact	Partial	Partial
Availability Impact	Partial	Partial

CVSS v3 Scores
	National Vulnerability Database
Base Score	9.8
Vector	AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Access Vector	Network
Access Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality Impact	High
Integrity Impact	High
Availability Impact	High

This issue is currently rated as having moderate severity.

SUSE Bugzilla entry: 1018808 [RESOLVED / ]

SUSE Security Advisories:

SUSE-SU-2017:0914-1, published Mon, 3 Apr 2017 21:09:44 +0200 (CEST)
SUSE-SU-2017:1067-1, published Thu, 20 Apr 2017 12:08:57 +0200 (CEST)
openSUSE-SU-2017:0933-1, published Wed, 5 Apr 2017 15:08:17 +0200 (CEST)
openSUSE-SU-2017:1128-1, published Fri, 28 Apr 2017 18:11:28 +0200 (CEST)

List of released packages

Product(s)	Fixed package version(s)	References
Openstack Cloud Magnum Orchestration 7	`libruby2_1-2_1 >= 2.1.9-15.1` `ruby2.1 >= 2.1.9-15.1` `ruby2.1-stdlib >= 2.1.9-15.1`	Patchnames: SUSE-OpenStack-Cloud-Magnum-Orchestration-7-2017-624
SUSE Linux Enterprise Desktop 12 SP1	`libruby2_1-2_1 >= 2.1.9-15.1` `ruby2.1 >= 2.1.9-15.1` `ruby2.1-stdlib >= 2.1.9-15.1`	Patchnames: SUSE-SLE-DESKTOP-12-SP1-2017-624
SUSE Linux Enterprise Desktop 12 SP2	`libruby2_1-2_1 >= 2.1.9-15.1` `ruby2.1 >= 2.1.9-15.1` `ruby2.1-stdlib >= 2.1.9-15.1`	Patchnames: SUSE-SLE-DESKTOP-12-SP2-2017-624
SUSE Linux Enterprise Server 12 SP1	`libruby2_1-2_1 >= 2.1.9-15.1` `ruby2.1 >= 2.1.9-15.1` `ruby2.1-stdlib >= 2.1.9-15.1`	Patchnames: SUSE-SLE-SERVER-12-SP1-2017-624
SUSE Linux Enterprise Server 12 SP2	`libruby2_1-2_1 >= 2.1.9-15.1` `ruby2.1 >= 2.1.9-15.1` `ruby2.1-stdlib >= 2.1.9-15.1`	Patchnames: SUSE-SLE-SERVER-12-SP2-2017-624
SUSE Linux Enterprise Server for Raspberry Pi 12 SP2	`libruby2_1-2_1 >= 2.1.9-15.1` `ruby2.1 >= 2.1.9-15.1` `ruby2.1-stdlib >= 2.1.9-15.1`	Patchnames: SUSE-SLE-RPI-12-SP2-2017-624
SUSE Linux Enterprise Software Development Kit 12 SP1	`ruby2.1 >= 2.1.9-15.1` `ruby2.1-devel >= 2.1.9-15.1`	Patchnames: SUSE-SLE-SDK-12-SP1-2017-624
SUSE Linux Enterprise Software Development Kit 12 SP2	`ruby2.1 >= 2.1.9-15.1` `ruby2.1-devel >= 2.1.9-15.1`	Patchnames: SUSE-SLE-SDK-12-SP2-2017-624
SUSE Studio Onsite 1.3	`ruby19 >= 1.9.3.p392-0.26.1` `ruby19-devel >= 1.9.3.p392-0.26.1` `ruby19-devel-extra >= 1.9.3.p392-0.26.1`	Patchnames: slestso13-ruby19-13046
SUSE Studio Onsite Runner 1.3	`ruby19 >= 1.9.3.p392-0.26.1`	Patchnames: slestso13-ruby19-13046
openSUSE Leap 42.1	`libruby2_1-2_1 >= 2.1.9-10.2` `libruby2_1-2_1-debuginfo >= 2.1.9-10.2` `libruby2_2-2_2 >= 2.2.6-6.1` `libruby2_2-2_2-debuginfo >= 2.2.6-6.1` `ruby2.1 >= 2.1.9-10.2` `ruby2.1-debuginfo >= 2.1.9-10.2` `ruby2.1-debugsource >= 2.1.9-10.2` `ruby2.1-devel >= 2.1.9-10.2` `ruby2.1-devel-extra >= 2.1.9-10.2` `ruby2.1-doc >= 2.1.9-10.2` `ruby2.1-doc-ri >= 2.1.9-10.2` `ruby2.1-stdlib >= 2.1.9-10.2` `ruby2.1-stdlib-debuginfo >= 2.1.9-10.2` `ruby2.2 >= 2.2.6-6.1` `ruby2.2-debuginfo >= 2.2.6-6.1` `ruby2.2-debugsource >= 2.2.6-6.1` `ruby2.2-devel >= 2.2.6-6.1` `ruby2.2-devel-extra >= 2.2.6-6.1` `ruby2.2-doc >= 2.2.6-6.1` `ruby2.2-doc-ri >= 2.2.6-6.1` `ruby2.2-stdlib >= 2.2.6-6.1` `ruby2.2-stdlib-debuginfo >= 2.2.6-6.1` `ruby2.2-tk >= 2.2.6-6.1` `ruby2.2-tk-debuginfo >= 2.2.6-6.1`	Patchnames: openSUSE-2017-435 openSUSE-2017-527
openSUSE Leap 42.2	`libruby2_1-2_1 >= 2.1.9-8.3.2` `libruby2_1-2_1-debuginfo >= 2.1.9-8.3.2` `libruby2_2-2_2 >= 2.2.6-6.3.1` `libruby2_2-2_2-debuginfo >= 2.2.6-6.3.1` `libruby2_3-2_3 >= 2.3.3-2.3.1` `libruby2_3-2_3-debuginfo >= 2.3.3-2.3.1` `ruby2.1 >= 2.1.9-8.3.2` `ruby2.1-debuginfo >= 2.1.9-8.3.2` `ruby2.1-debugsource >= 2.1.9-8.3.2` `ruby2.1-devel >= 2.1.9-8.3.2` `ruby2.1-devel-extra >= 2.1.9-8.3.2` `ruby2.1-doc >= 2.1.9-8.3.2` `ruby2.1-doc-ri >= 2.1.9-8.3.2` `ruby2.1-stdlib >= 2.1.9-8.3.2` `ruby2.1-stdlib-debuginfo >= 2.1.9-8.3.2` `ruby2.2 >= 2.2.6-6.3.1` `ruby2.2-debuginfo >= 2.2.6-6.3.1` `ruby2.2-debugsource >= 2.2.6-6.3.1` `ruby2.2-devel >= 2.2.6-6.3.1` `ruby2.2-devel-extra >= 2.2.6-6.3.1` `ruby2.2-doc >= 2.2.6-6.3.1` `ruby2.2-doc-ri >= 2.2.6-6.3.1` `ruby2.2-stdlib >= 2.2.6-6.3.1` `ruby2.2-stdlib-debuginfo >= 2.2.6-6.3.1` `ruby2.2-tk >= 2.2.6-6.3.1` `ruby2.2-tk-debuginfo >= 2.2.6-6.3.1` `ruby2.3 >= 2.3.3-2.3.1` `ruby2.3-debuginfo >= 2.3.3-2.3.1` `ruby2.3-debugsource >= 2.3.3-2.3.1` `ruby2.3-devel >= 2.3.3-2.3.1` `ruby2.3-devel-extra >= 2.3.3-2.3.1` `ruby2.3-doc >= 2.3.3-2.3.1` `ruby2.3-doc-ri >= 2.3.3-2.3.1` `ruby2.3-stdlib >= 2.3.3-2.3.1` `ruby2.3-stdlib-debuginfo >= 2.3.3-2.3.1` `ruby2.3-tk >= 2.3.3-2.3.1` `ruby2.3-tk-debuginfo >= 2.3.3-2.3.1`	Patchnames: openSUSE-2017-435 openSUSE-2017-527