CVE-2019-19794

medium

Description

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.

References

https://github.com/miekg/dns/pull/1044

https://github.com/miekg/dns/compare/v1.1.24...v1.1.25

https://github.com/coredns/coredns/issues/3547

https://github.com/coredns/coredns/issues/3519

Details

Source: Mitre, NVD

Published: 2019-12-13

Updated: 2020-01-02

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 5.9

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N