SB2017041313 - Input validation error in Netty
Published: April 13, 2017 Updated: August 8, 2020
Security Bulletin ID
SB2017041313
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2016-4970)
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>
Remediation
Install update from vendor's website.
References
- 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