CVE-2016-7068
Published: 11 September 2018
An issue has been found in PowerDNS before 3.4.11 and 4.0.2, and PowerDNS recursor before 3.7.4 and 4.0.4, allowing a remote, unauthenticated attacker to cause an abnormal CPU usage load on the PowerDNS server by sending crafted DNS queries, which might result in a partial denial of service if the system becomes overloaded. This issue is based on the fact that the PowerDNS server parses all records present in a query regardless of whether they are needed or even legitimate. A specially crafted query containing a large number of records can be used to take advantage of that behaviour.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
pdns Launchpad, Ubuntu, Debian |
artful |
Ignored
(end of life)
|
| bionic |
Not vulnerable
(4.0.2-1)
|
|
| cosmic |
Not vulnerable
(4.0.2-1)
|
|
| disco |
Not vulnerable
(4.0.2-1)
|
|
| eoan |
Not vulnerable
(4.0.2-1)
|
|
| focal |
Not vulnerable
(4.0.2-1)
|
|
| groovy |
Not vulnerable
(4.0.2-1)
|
|
| hirsute |
Not vulnerable
(4.0.2-1)
|
|
| impish |
Not vulnerable
(4.0.2-1)
|
|
| jammy |
Not vulnerable
(4.0.2-1)
|
|
| kinetic |
Not vulnerable
(4.0.2-1)
|
|
| lunar |
Not vulnerable
(4.0.2-1)
|
|
| mantic |
Not vulnerable
(4.0.2-1)
|
|
| precise |
Ignored
(end of life)
|
|
| trusty |
Does not exist
(trusty was needed)
|
|
| upstream |
Released
(4.0.2-1)
|
|
| xenial |
Needed
|
|
| yakkety |
Ignored
(end of life)
|
|
| zesty |
Ignored
(end of life)
|
|
|
pdns-recursor Launchpad, Ubuntu, Debian |
artful |
Not vulnerable
(4.0.4-1)
|
| bionic |
Not vulnerable
(4.0.4-1)
|
|
| cosmic |
Not vulnerable
(4.0.4-1)
|
|
| disco |
Not vulnerable
(4.0.4-1)
|
|
| eoan |
Not vulnerable
(4.0.4-1)
|
|
| focal |
Not vulnerable
(4.0.4-1)
|
|
| groovy |
Not vulnerable
(4.0.4-1)
|
|
| hirsute |
Not vulnerable
(4.0.4-1)
|
|
| impish |
Not vulnerable
(4.0.4-1)
|
|
| jammy |
Not vulnerable
(4.0.4-1)
|
|
| kinetic |
Not vulnerable
(4.0.4-1)
|
|
| lunar |
Not vulnerable
(4.0.4-1)
|
|
| mantic |
Not vulnerable
(4.0.4-1)
|
|
| precise |
Ignored
(end of life)
|
|
| trusty |
Released
(3.5.3-1ubuntu0.1)
|
|
| upstream |
Released
(4.0.4-1)
|
|
| xenial |
Needed
|
|
| yakkety |
Ignored
(end of life)
|
|
| zesty |
Not vulnerable
(4.0.4-1)
|
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:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |