CVE-2016-4970
First published: Tue Jun 07 2016(Updated: )
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).
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| maven/io.netty:netty-handler | >=4.1.0.Beta1<4.1.1.Final | 4.1.1.Final |
| maven/io.netty:netty-handler | >=4.0.0.Alpha1<4.0.37.Final | 4.0.37.Final |
| redhat/netty | <4.0.37 | 4.0.37 |
| redhat/netty | <4.1.1 | 4.1.1 |
| NettyRPC | >=4.0.20<4.0.37 | |
| NettyRPC | >=4.1.0<4.1.1 | |
| Red Hat JBoss Data Grid | =7.1 | |
| Red Hat JBoss Middleware | =1.0 | |
| Apache Cassandra | =3.11.4 |
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Reference Links
- https://www.cve.org/CVERecord?id=CVE-2016-4970 https://nvd.nist.gov/vuln/detail/CVE-2016-4970
- https://bugzilla.redhat.com/show_bug.cgi?id=1343616
- https://access.redhat.com/errata/RHSA-2017:0179
- https://access.redhat.com/errata/RHSA-2017:1097
- https://access.redhat.com/errata/RHSA-2020:3192
- https://access.redhat.com/security/cve/cve-2016-4970
- https://nvd.nist.gov/vuln/detail/CVE-2016-4970
- https://github.com/netty/netty/pull/5364
- https://lists.apache.org/thread.html/afaa5860e3a6d327eb96c3d82cbd2f5996de815a16854ed1ad310144@%3Ccommits.cassandra.apache.org%3E
- https://wiki.opendaylight.org/view/Security_Advisories
- http://netty.io/news/2016/06/07/4-0-37-Final.html
- http://netty.io/news/2016/06/07/4-1-1-Final.html
- http://rhn.redhat.com/errata/RHSA-2017-0179.html
- http://rhn.redhat.com/errata/RHSA-2017-1097.html
- https://github.com/advisories/GHSA-rv63-gqm8-9w8q (Advisory)
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1347497
- https://github.com/netty/netty/commit/524156f164a910b8b0978d27a2c700a19cd8048f
- https://github.com/netty/netty/commit/9e2c400f89c5badc39919f811179d3d42ac5257c
- http://pkgs.fedoraproject.org/cgit/rpms/netty.git/tree/npn_alpn_ssl_fixes.patch
- http://netty.io/news/2014/06/11/3-9-2-Final.html
- https://git.opendaylight.org/gerrit/#/c/40098/
- https://wiki.opendaylight.org/view/Security_Advisories#.5BImportant.5D_CVE-2016-4970_netty:_unspecified_vulnerability_leading_to_denial_of_service
- http://www.securityfocus.com/bid/96540
- https://lists.apache.org/thread.html/afaa5860e3a6d327eb96c3d82cbd2f5996de815a16854ed1ad310144%40%3Ccommits.cassandra.apache.org%3E
Parent vulnerabilities
(Appears in the following advisories)
Frequently Asked Questions
What is the severity of CVE-2016-4970?
CVE-2016-4970 is classified as a denial of service vulnerability, which can lead to an infinite loop in affected Netty versions.
How do I fix CVE-2016-4970?
To fix CVE-2016-4970, upgrade to Netty version 4.0.37.Final or 4.1.1.Final and ensure no older versions are in use.
Which versions are affected by CVE-2016-4970?
CVE-2016-4970 affects Netty versions prior to 4.0.37.Final and 4.1.1.Final.
Can CVE-2016-4970 be exploited remotely?
Yes, CVE-2016-4970 allows remote attackers to exploit the vulnerability and cause a denial of service.
What software packages contain CVE-2016-4970?
CVE-2016-4970 is found in the io.netty:netty-handler package among others.
- collector/redhat-cve
- collector/github-advisory-latest
- alias/GHSA-rv63-gqm8-9w8q
- alias/CVE-2016-4970
- collector/github-advisory
- agent/type
- agent/first-publish-date
- agent/weakness
- agent/severity
- agent/remedy
- agent/description
- collector/mitre-cve
- source/MITRE
- agent/references
- agent/event
- collector/redhat-bugzilla
- source/Red Hat
- agent/software-canonical-lookup
- agent/last-modified-date
- agent/trending
- agent/source
- agent/author
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- collector/nvd-cve
- package-manager/maven
- package-manager/redhat
- vendor/netty
- canonical/nettyrpc
- version/nettyrpc/4.0.20
- version/nettyrpc/4.1.0
- vendor/redhat
- canonical/red hat jboss data grid
- version/red hat jboss data grid/7.1
- canonical/red hat jboss middleware
- version/red hat jboss middleware/1.0
- vendor/apache
- canonical/apache cassandra
- version/apache cassandra/3.11.4