ISC BIND before 9.7.2-P2, when DNSSEC validation is enabled, does not properly handle certain bad signatures if multiple trust anchors exist for a single zone, which allows remote attackers to cause a denial of service (daemon crash) via a DNS query.
No PoCs from references.
- https://github.com/lekctut/sdb-hw-13-01
- https://github.com/pedr0alencar/vlab-metasploitable2