Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2016-4970 |
CWE-ID | CWE-20 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
Netty Universal components / Libraries / Libraries used by multiple products |
Vendor | Netty project |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU39198
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2016-4970
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe 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>
MitigationInstall update from vendor's website.
Vulnerable software versionsNetty: 4.0.0 - 4.1
External linkshttp://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
http://bugzilla.redhat.com/show_bug.cgi?id=1343616
http://github.com/netty/netty/pull/5364
http://lists.apache.org/thread.html/afaa5860e3a6d327eb96c3d82cbd2f5996de815a16854ed1ad310144@%3Ccommits.cassandra.apache.org%3E
http://wiki.opendaylight.org/view/Security_Advisories
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.