CVE-2020-12244
Published: 19 May 2020
An issue has been found in PowerDNS Recursor 4.1.0 through 4.3.0 where records in the answer section of a NXDOMAIN response lacking an SOA were not properly validated in SyncRes::processAnswer, allowing an attacker to bypass DNSSEC validation.
Priority
Status
Package | Release | Status |
---|---|---|
pdns-recursor Launchpad, Ubuntu, Debian |
bionic |
Needs triage
|
eoan |
Ignored
(end of life)
|
|
focal |
Needs triage
|
|
groovy |
Not vulnerable
(4.3.1-1)
|
|
hirsute |
Not vulnerable
(4.3.1-1)
|
|
impish |
Not vulnerable
(4.3.1-1)
|
|
jammy |
Not vulnerable
(4.3.1-1)
|
|
kinetic |
Not vulnerable
(4.3.1-1)
|
|
lunar |
Not vulnerable
(4.3.1-1)
|
|
mantic |
Not vulnerable
(4.3.1-1)
|
|
trusty |
Does not exist
|
|
upstream |
Needs triage
|
|
xenial |
Needs triage
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 7.5 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | None |
Availability impact | None |
Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |