Input validation error in Netty - CVE-2016-4970
Published: April 13, 2017 / Updated: August 8, 2020
Vulnerability identifier: #VU39198
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2016-4970
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Netty project
Affected software:
Netty
Netty
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
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). <a href="http://cwe.mitre.org/data/definitions/835.html">CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')</a>
How to mitigate CVE-2016-4970
Install update from vendor's website.
Sources
- 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
- http://www.securityfocus.com/bid/96540
- https://bugzilla.redhat.com/show_bug.cgi?id=1343616
- 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