CVE-2019-19794 Information

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.

CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Reference

https://github.com/coredns/coredns/issues/3519 https://github.com/coredns/coredns/issues/3547 https://github.com/miekg/dns/compare/v1.1.24…v1.1.25 https://github.com/miekg/dns/issues/1043 https://github.com/miekg/dns/pull/1044

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

NONE

Base Severity

5.9