Denial of Service Vulnerability in Netty by JBoss
CVE-2016-4970

7.5HIGH

Key Information:

Vendor
Netty
Status
Netty
Vendor
CVE Published:
13 April 2017

Summary

A vulnerability in the OpenSslEngine.java file of Netty allows remote attackers to exploit a flaw that leads to a denial of service through an infinite loop. This affects versions 4.0.x prior to 4.0.37.Final and 4.1.x prior to 4.1.1.Final. Attackers can exploit this vulnerability to create service disruptions by repeatedly sending crafted SSL requests, rendering the application unresponsive.

References

http://rhn.redhat.com/errata/RHSA-2017-0179.html
vendor-advisoryx_refsource_REDHAT
http://rhn.redhat.com/errata/RHSA-2017-1097.html
vendor-advisoryx_refsource_REDHAT
http://netty.io/news/2016/06/07/4-1-1-Final.html
x_refsource_CONFIRM

EPSS Score

8% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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CVE-2016-4970 : Denial of Service Vulnerability in Netty by JBoss | SecurityVulnerability.io