GHSA-gv9j-4w24-q7vx

Summary

Improper random number generation in github.com/coredns/coredns

Description

Impact

CoreDNS before 1.6.6 (using go DNS package < 1.1.25) improperly generates random numbers because math/rand is used. The TXID becomes predictable, leading to response forgeries.

Patches

The problem has been fixed in 1.6.6+.

References

• CVE-2019-19794

For more information

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