CVE-2016-4970
Published: 13 April 2017
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).
Notes
Author | Note |
---|---|
seth-arnold | Users can use -Djdk.tls.rejectClientInitiatedRenegotiation=true to disable renegotiation and avoid this issue. Versions affected: Netty 4.0.0.Final - 4.0.36.Final and 4.1.0.Final |
Priority
Status
Package | Release | Status |
---|---|---|
netty Launchpad, Ubuntu, Debian |
artful |
Not vulnerable
(1:4.0.37-1)
|
bionic |
Not vulnerable
(1:4.0.37-1)
|
|
cosmic |
Not vulnerable
(1:4.0.37-1)
|
|
disco |
Not vulnerable
(1:4.0.37-1)
|
|
eoan |
Not vulnerable
(1:4.0.37-1)
|
|
focal |
Not vulnerable
(1:4.0.37-1)
|
|
groovy |
Not vulnerable
(1:4.0.37-1)
|
|
hirsute |
Not vulnerable
(1:4.0.37-1)
|
|
impish |
Not vulnerable
(1:4.0.37-1)
|
|
jammy |
Not vulnerable
(1:4.0.37-1)
|
|
kinetic |
Not vulnerable
(1:4.0.37-1)
|
|
lunar |
Not vulnerable
(1:4.0.37-1)
|
|
mantic |
Not vulnerable
(1:4.0.37-1)
|
|
precise |
Not vulnerable
|
|
trusty |
Not vulnerable
|
|
upstream |
Released
(1:4.0.37-1)
|
|
wily |
Not vulnerable
|
|
xenial |
Needed
|
|
yakkety |
Not vulnerable
(1:4.0.37-1)
|
|
zesty |
Not vulnerable
(1:4.0.37-1)
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 7.5 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |