NVD - CVE-2016-4970

CVE-2016-4970 Detail

Modified

This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.

Current Description

handler/ssl/OpenSslEngine.java in Netty 4.0.x before 4.0.37.Final and 4.1.x before 4.1.1.Final allows remote attackers to cause a denial of service (infinite loop).

Source: MITRE
Description Last Modified: 04/13/2017
View Analysis Description

Evaluator Description

CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.5 HIGH
Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H (V3 legend)
Impact Score: 3.6
Exploitability Score: 3.9

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 7.8 HIGH
Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:C) (V2 legend)
Impact Subscore: 6.9
Exploitability Subscore: 10.0

Access Vector (AV): Network
Access Complexity (AC): Insufficient_Info
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete
Additional Information:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink	Resource
http://netty.io/news/2016/06/07/4-0-37-Final.html
http://netty.io/news/2016/06/07/4-1-1-Final.html	Release Notes Vendor Advisory
http://rhn.redhat.com/errata/RHSA-2017-0179.html
http://rhn.redhat.com/errata/RHSA-2017-1097.html
http://www.securityfocus.com/bid/96540	Third Party Advisory VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1343616	Issue Tracking Third Party Advisory VDB Entry
https://github.com/netty/netty/pull/5364	Patch Third Party Advisory
https://wiki.opendaylight.org/view/Security_Advisories	Third Party Advisory

Technical Details

Vulnerability Type (View All)

Other (NVD-CWE-Other)

Vulnerable software and versions Switch to CPE 2.2

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

4 change records found - show changes

Reanalysis - 5/2/2017 9:46:03 AM

Action

Type

Old Value

New Value

Changed

CPE Configuration

Record truncated, showing 500 of 2268 characters. View Entire Change Record

OR
     *cpe:2.3:a:netty_project:netty:4.0.0:*:*:*:*:*:*:*
     *cpe:2.3:a:netty_project:netty:4.0.1:*:*:*:*:*:*:*
     *cpe:2.3:a:netty_project:netty:4.0.2:*:*:*:*:*:*:*
     *cpe:2.3:a:netty_project:netty:4.0.3:*:*:*:*:*:*:*
     *cpe:2.3:a:netty_project:netty:4.0.4:*:*:*:*:*:*:*
     *cpe:2.3:a:netty_project:netty:4.0.5:*:*:*:*:*:*:*
     *cpe:2.3:a:netty_project:netty:4.0.6:*:*:*:*:*:*:*
     *cpe:2.3:a:netty_project:netty:4.0.7:*:*:*:*:*:*:*
     *cpe:2.3:a:netty_project:netty:4.0.8:*:*:*:*

Record truncated, showing 500 of 2155 characters. View Entire Change Record

OR
     *cpe:2.3:a:netty_project:netty:4.0.0:*:*:*:*:*:*:*
     *cpe:2.3:a:netty_project:netty:4.0.1:*:*:*:*:*:*:*
     *cpe:2.3:a:netty_project:netty:4.0.2:*:*:*:*:*:*:*
     *cpe:2.3:a:netty_project:netty:4.0.3:*:*:*:*:*:*:*
     *cpe:2.3:a:netty_project:netty:4.0.4:*:*:*:*:*:*:*
     *cpe:2.3:a:netty_project:netty:4.0.5:*:*:*:*:*:*:*
     *cpe:2.3:a:netty_project:netty:4.0.6:*:*:*:*:*:*:*
     *cpe:2.3:a:netty_project:netty:4.0.7:*:*:*:*:*:*:*
     *cpe:2.3:a:netty_project:netty:4.0.8:*:*:*:*

Initial Analysis - 4/20/2017 8:53:38 PM

Action	Type	Old Value	New Value
Added	CPE Configuration		Record truncated, showing 500 of 2268 characters. View Entire Change Record OR cpe:2.3:a:netty_project:netty:4.0.0::::::: cpe:2.3:a:netty_project:netty:4.0.1::::::: cpe:2.3:a:netty_project:netty:4.0.2::::::: cpe:2.3:a:netty_project:netty:4.0.3::::::: cpe:2.3:a:netty_project:netty:4.0.4::::::: cpe:2.3:a:netty_project:netty:4.0.5::::::: cpe:2.3:a:netty_project:netty:4.0.6::::::: cpe:2.3:a:netty_project:netty:4.0.7::::::: cpe:2.3:a:netty_project:netty:4.0.8::::*
Added	CVSS V2		(AV:N/AC:L/Au:N/C:N/I:N/A:C)
Added	CVSS V3		AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Added	CWE		NVD-CWE-Other
Added	Evaluator Description		<a href="http://cwe.mitre.org/data/definitions/835.html">CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')</a>
Changed	Reference Type	http://netty.io/news/2016/06/07/4-0-37-Final.html?cm_mc_uid=56762348979514908085117&cm_mc_sid_50200000=1492019811 No Types Assigned	http://netty.io/news/2016/06/07/4-0-37-Final.html?cm_mc_uid=56762348979514908085117&cm_mc_sid_50200000=1492019811 Release Notes, Vendor Advisory
Changed	Reference Type	http://netty.io/news/2016/06/07/4-1-1-Final.html No Types Assigned	http://netty.io/news/2016/06/07/4-1-1-Final.html Release Notes, Vendor Advisory
Changed	Reference Type	http://www.securityfocus.com/bid/96540 No Types Assigned	http://www.securityfocus.com/bid/96540 Third Party Advisory, VDB Entry
Changed	Reference Type	https://bugzilla.redhat.com/show_bug.cgi?id=1343616 No Types Assigned	https://bugzilla.redhat.com/show_bug.cgi?id=1343616 Issue Tracking, Third Party Advisory, VDB Entry
Changed	Reference Type	https://github.com/netty/netty/pull/5364 No Types Assigned	https://github.com/netty/netty/pull/5364 Patch, Third Party Advisory
Changed	Reference Type	https://wiki.opendaylight.org/view/Security_Advisories No Types Assigned	https://wiki.opendaylight.org/view/Security_Advisories Third Party Advisory

Quick Info

CVE Dictionary Entry:
CVE-2016-4970
NVD Published Date:
04/13/2017
NVD Last Modified:
01/04/2018

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Information Technology Laboratory

National Vulnerability Database