CVE-2012-1193

medium
Published 2012-02-17 · Modified 2026-04-29
CVSS v3
CVSS v2
6.4
VIR risk
6.4

Description

The resolver in PowerDNS Recursor (aka pdns_recursor) 3.3 overwrites cached server names and TTL values in NS records during the processing of a response to an A record query, which allows remote attackers to trigger continued resolvability of revoked domain names via a "ghost domain names" attack.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No vendor mitigations ingested yet for this CVE. The mitigation-content worker queues fetches as references arrive — check back in a few minutes, or see the references list below.

Application impact

VendorProductVersionsFixed
powerdnspowerdns_recursor3.3

References

Verify integrity in audit chain (admin only). AS-IS.