Security
Security
An information disclosure vulnerability in PowerDNS allow remote attackers to obtain sensitive information.
| Package | net-dns/pdns on all architectures |
|---|---|
| Affected versions | < 4.3.1 |
| Unaffected versions | >= 4.3.1 |
The PowerDNS nameserver is an authoritative-only nameserver which uses a flexible backend architecture.
It was discovered that PowerDNS did not properly handle certain unknown records.
An authorized attacker with the ability to insert crafted records into a zone might be able to leak the content of uninitialized memory. Crafted records cannot be inserted via AXFR.
Do not take zone data from untrusted users.
All PowerDNS users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=net-dns/pdns-4.3.1"
Release date
December 23, 2020
Latest revision
December 23, 2020: 1
Severity
low
Exploitable
remote
Bugzilla entries