CVE-2020-12662
Published: 19 May 2020
Unbound before 1.10.1 has Insufficient Control of Network Message Volume, aka an "NXNSAttack" issue. This is triggered by random subdomains in the NSDNAME in NS records.
Notes
Author | Note |
---|---|
mdeslaur | intrusive backport to xenial |
Priority
Status
Package | Release | Status |
---|---|---|
unbound Launchpad, Ubuntu, Debian |
upstream |
Released
(1.10.1-1)
|
trusty |
Needed
|
|
bionic |
Released
(1.6.7-1ubuntu2.3)
|
|
eoan |
Released
(1.9.0-2ubuntu1.1)
|
|
xenial |
Needed
|
|
impish |
Not vulnerable
(1.10.1-1)
|
|
hirsute |
Not vulnerable
(1.10.1-1)
|
|
focal |
Released
(1.9.4-2ubuntu1.1)
|
|
groovy |
Not vulnerable
(1.10.1-1)
|
|
jammy |
Not vulnerable
(1.10.1-1)
|
|
kinetic |
Not vulnerable
(1.10.1-1)
|
|
lunar |
Not vulnerable
(1.10.1-1)
|
|
Patches: upstream: https://nlnetlabs.nl/downloads/unbound/CVE-2020-12662_2020-12663.txt |
||
Binaries built from this source package are in Universe and so are supported by the community. |
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 |