The miekg Go DNS package before 1.1.25, as used in CoreDNS before 1.6.6 and other products, improperly generates random numbers because math/rand is used. The TXID becomes predictable, leading to response forgeries.
No PoCs from references.
- https://github.com/k1LoW/oshka
- https://github.com/naveensrinivasan/stunning-tribble