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CVE-2019-25037

Published: 27 April 2021

** DISPUTED ** Unbound before 1.9.5 allows an assertion failure and denial of service in dname_pkt_copy via an invalid packet. NOTE: The vendor disputes that this is a vulnerability. Although the code may be vulnerable, a running Unbound installation cannot be remotely or locally exploited.

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
unbound
Launchpad, Ubuntu, Debian
impish Not vulnerable

bionic
Released (1.6.7-1ubuntu2.4)
jammy Not vulnerable

lunar Not vulnerable

focal
Released (1.9.4-2ubuntu1.2)
groovy Not vulnerable
(1.11.0-1)
hirsute Not vulnerable

kinetic Not vulnerable

trusty Needed

upstream
Released (1.9.6-1)
xenial Needed

mantic Not vulnerable

Patches:
upstream: https://github.com/NLnetLabs/unbound/commit/d2eb78e871153f22332d30c6647f3815148f21e5

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H