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CVE-2023-4408

Description

The DNS message parsing code in `named` includes a section whose computational complexity is overly high. It does not cause problems for typical DNS traffic, but crafted queries and responses may cause excessive CPU load on the affected `named` instance by exploiting this flaw. This issue affects both authoritative servers and recursive resolvers.This issue affects BIND 9 versions 9.0.0 through 9.16.45, 9.18.0 through 9.18.21, 9.19.0 through 9.19.19, 9.9.3-S1 through 9.11.37-S1, 9.16.8-S1 through 9.16.45-S1, and 9.18.11-S1 through 9.18.21-S1.

POC

Reference

No PoCs from references.

Github

- https://github.com/Maribel0370/Nebula-io

- https://github.com/fkie-cad/nvd-json-data-feeds

- https://github.com/fokypoky/places-list

- https://github.com/lekctut/sdb-hw-13-01

- https://github.com/marklogic/marklogic-docker

- https://github.com/pedr0alencar/vlab-metasploitable2

- https://github.com/runwhen-contrib/helm-charts