Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)
CVE-2019-19794
Summary
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.
- HIGH
- NETWORK
- HIGH
- UNCHANGED
- NONE
- NONE
- NONE
- NONE
CWE-338 - Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)
The product uses a Pseudo-Random Number Generator (PRNG) in a security context, but the PRNG's algorithm is not cryptographically strong.
References
Advisory Timeline
- Published