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CVE-2016-4970

Good to know:

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Date: April 13, 2017

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).

Language: Java

Severity Score

Related Resources (13)

http://rhn.redhat.com/errata/RHSA-2017-0179.html
http://rhn.redhat.com/errata/RHSA-2017-1097.html
http://netty.io/news/2016/06/07/4-1-1-Final.html
https://nvd.nist.gov/vuln/detail/CVE-2016-4970
https://lists.apache.org/thread.html/afaa5860e3a6d327eb96c3d82cbd2f5996de815a16854ed1ad310144@%3Ccommits.cassandra.apache.org%3E
https://github.com/netty/netty/pull/5364
https://wiki.opendaylight.org/view/Security_Advisories
https://lists.apache.org/thread.html/afaa5860e3a6d327eb96c3d82cbd2f5996de815a16854ed1ad310144%40%3Ccommits.cassandra.apache.org%3E
http://netty.io/news/2016/06/07/4-0-37-Final.html
http://www.securityfocus.com/bid/96540
https://github.com/netty/netty
https://bugzilla.redhat.com/show_bug.cgi?id=1343616
https://www.mend.io/vulnerability-database/CVE-2016-4970

Severity Score

Weakness Type (CWE)

Loop with Unreachable Exit Condition ('Infinite Loop')

CWE-835

Top Fix

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Upgrade Version

Upgrade to version io.netty:netty-all:4.0.37.Final,4.1.1.Final,io.netty:netty-handler:4.0.37.Final,4.1.1.Final

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CVSS v3.1

Base Score:
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

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): COMPLETE
Additional information:

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