### [CVE-2017-3143](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-3143) ![](https://img.shields.io/static/v1?label=Product&message=BIND%209&color=blue) ![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue) ![](https://img.shields.io/static/v1?label=Vulnerability&message=A%20server%20that%20relies%20solely%20on%20TSIG%20keys%20with%20no%20other%20address-based%20ACL%20protection%20could%20be%20vulnerable%20to%20malicious%20zone%20content%20manipulation%20using%20this%20technique.%0A%0ANote%20that%20the%20local%20update%20policy%20(configured%20with%20%22update-policy%20local%3B%22%20in%20named.conf)%20implicitly%20defines%20a%20key%20with%20a%20known%20key%20name%20(local-ddns)%20and%20default%20algorithm%20and%20no%20IP-based%20access%20controls%20on%20the%20zone%20updates.%20%20In%20conjunction%20with%20this%20failure%20in%20TSIG%20verification%2C%20%22update-policy%20local%22%20is%20potentially%20very%20dangerous.&color=brighgreen) ### Description An attacker who is able to send and receive messages to an authoritative DNS server and who has knowledge of a valid TSIG key name for the zone and service being targeted may be able to manipulate BIND into accepting an unauthorized dynamic update. Affects BIND 9.4.0->9.8.8, 9.9.0->9.9.10-P1, 9.10.0->9.10.5-P1, 9.11.0->9.11.1-P1, 9.9.3-S1->9.9.10-S2, 9.10.5-S1->9.10.5-S2. ### POC #### Reference No PoCs from references. #### Github - https://github.com/ALTinners/bind9 - https://github.com/ARPSyndicate/cvemon - https://github.com/AndrewLipscomb/bind9 - https://github.com/DButter/whitehat_public - https://github.com/Dokukin1/Metasploitable - https://github.com/Iknowmyname/Nmap-Scans-M2 - https://github.com/Mehedi-Babu/Vulnerability_research - https://github.com/NikulinMS/13-01-hw - https://github.com/Zhivarev/13-01-hw - https://github.com/balabit-deps/balabit-os-7-bind9 - https://github.com/balabit-deps/balabit-os-8-bind9-libs - https://github.com/balabit-deps/balabit-os-9-bind9-libs - https://github.com/dkiser/vulners-yum-scanner - https://github.com/ducducuc111/Awesome-Vulnerability-Research - https://github.com/gladiopeace/awesome-stars - https://github.com/pexip/os-bind9 - https://github.com/pexip/os-bind9-libs - https://github.com/psmedley/bind-os2 - https://github.com/saaph/CVE-2017-3143 - https://github.com/securitychampions/Awesome-Vulnerability-Research - https://github.com/sergey-pronin/Awesome-Vulnerability-Research - https://github.com/smabramov/Vulnerabilities-and-attacks-on-information-systems - https://github.com/zzzWTF/db-13-01