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1.2 KiB
1.2 KiB
CVE-2023-50868
Description
The Closest Encloser Proof aspect of the DNS protocol (in RFC 5155 when RFC 9276 guidance is skipped) allows remote attackers to cause a denial of service (CPU consumption for SHA-1 computations) via DNSSEC responses in a random subdomain attack, aka the "NSEC3" issue. The RFC 5155 specification implies that an algorithm must perform thousands of iterations of a hash function in certain situations.
POC
Reference
No PoCs from references.
Github
- https://github.com/GitHubForSnap/knot-resolver-gael
- https://github.com/Goethe-Universitat-Cybersecurity/NSEC3-Encloser-Attack
- https://github.com/GrigGM/05-virt-04-docker-hw
- https://github.com/fkie-cad/nvd-json-data-feeds
- https://github.com/fokypoky/places-list
- https://github.com/hackingyseguridad/dnssec
- https://github.com/marklogic/marklogic-docker
- https://github.com/nsec-submission/nsec3-submission