CVE-2016-5427
Published: 21 September 2016
PowerDNS (aka pdns) Authoritative Server before 3.4.10 does not properly handle a . (dot) inside labels, which allows remote attackers to cause a denial of service (backend CPU consumption) via a crafted DNS query.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
pdns Launchpad, Ubuntu, Debian |
artful |
Not vulnerable
|
| bionic |
Not vulnerable
|
|
| cosmic |
Not vulnerable
|
|
| disco |
Not vulnerable
|
|
| precise |
Ignored
(end of life)
|
|
| trusty |
Does not exist
(trusty was needed)
|
|
| upstream |
Released
(4.0.0~alpha1-1)
|
|
| xenial |
Not vulnerable
(4.0.0~alpha2-3build1)
|
|
| yakkety |
Not vulnerable
|
|
| zesty |
Not vulnerable
|
|
|
Patches: upstream: https://github.com/PowerDNS/pdns/commit/881b5b03a590198d03008e4200dd00cc537712f3 |
||
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:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |