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CVE-2019-19794

Published: 13 December 2019

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.

Priority

Medium

Cvss 3 Severity Score

5.9

Score breakdown

Status

Package Release Status
golang-github-miekg-dns
Launchpad, Ubuntu, Debian
focal Needs triage

hirsute Not vulnerable
(1.1.26-2)
jammy Not vulnerable
(1.1.26-2)
bionic Needs triage

disco Ignored
(end of life)
eoan Ignored
(end of life)
groovy Not vulnerable
(1.1.26-2)
impish Not vulnerable
(1.1.26-2)
kinetic Not vulnerable
(1.1.26-2)
lunar Not vulnerable
(1.1.26-2)
trusty Does not exist

upstream Needs triage

xenial Does not exist

mantic Not vulnerable
(1.1.26-2)

Severity score breakdown

Parameter Value
Base score 5.9
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact High
Availability impact None
Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N