CVE-2019-3807
Published: 29 January 2019
An issue has been found in PowerDNS Recursor versions 4.1.x before 4.1.9 where records in the answer section of responses received from authoritative servers with the AA flag not set were not properly validated, allowing an attacker to bypass DNSSEC validation.
Priority
Status
Package | Release | Status |
---|---|---|
pdns-recursor Launchpad, Ubuntu, Debian |
bionic |
Needs triage
|
cosmic |
Ignored
(end of life)
|
|
disco |
Not vulnerable
(4.1.9-1)
|
|
eoan |
Not vulnerable
(4.1.9-1)
|
|
focal |
Not vulnerable
(4.1.9-1)
|
|
groovy |
Not vulnerable
(4.1.9-1)
|
|
hirsute |
Not vulnerable
(4.1.9-1)
|
|
impish |
Not vulnerable
(4.1.9-1)
|
|
jammy |
Not vulnerable
(4.1.9-1)
|
|
kinetic |
Not vulnerable
(4.1.9-1)
|
|
lunar |
Not vulnerable
(4.1.9-1)
|
|
mantic |
Not vulnerable
(4.1.9-1)
|
|
trusty |
Does not exist
(trusty was needs-triage)
|
|
upstream |
Released
(4.1.9-1)
|
|
xenial |
Needs triage
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 9.8 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | High |
Availability impact | High |
Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |