CVE-2020-12244
medium
CVSS v3
—
CVSS v2
—
VIR risk
5.5
Description
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.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2020-12244
Vendor advisory: arch — https://security.archlinux.org/ASA-202005-10
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 4.2.2-1 | |
| debian | bookworm | fixed | 4.3.1-1 |
| debian | bullseye | fixed | 4.3.1-1 |
| debian | forky | fixed | 4.3.1-1 |
| debian | sid | fixed | 4.3.1-1 |
| debian | trixie | fixed | 4.3.1-1 |
References
Verify integrity in audit chain (admin only). AS-IS.