Your submission was sent successfully! Close

You have successfully unsubscribed! Close

Thank you for signing up for our newsletter!
In these regular emails you will find the latest updates about Ubuntu and upcoming events where you can meet our team.Close

CVE-2021-25214

Published: 28 April 2021

In BIND 9.8.5 -> 9.8.8, 9.9.3 -> 9.11.29, 9.12.0 -> 9.16.13, and versions BIND 9.9.3-S1 -> 9.11.29-S1 and 9.16.8-S1 -> 9.16.13-S1 of BIND 9 Supported Preview Edition, as well as release versions 9.17.0 -> 9.17.11 of the BIND 9.17 development branch, when a vulnerable version of named receives a malformed IXFR triggering the flaw described above, the named process will terminate due to a failed assertion the next time the transferred secondary zone is refreshed.

Notes

AuthorNote
mdeslaur
affects 9.8.5+

Priority

Medium

Cvss 3 Severity Score

6.5

Score breakdown

Status

Package Release Status
bind9
Launchpad, Ubuntu, Debian
bionic
Released (1:9.11.3+dfsg-1ubuntu1.15)
focal
Released (1:9.16.1-0ubuntu2.8)
groovy
Released (1:9.16.6-3ubuntu1.2)
hirsute
Released (1:9.16.8-1ubuntu3.1)
impish
Released (1:9.16.8-1ubuntu3.1)
jammy
Released (1:9.16.8-1ubuntu3.1)
kinetic
Released (1:9.16.8-1ubuntu3.1)
lunar
Released (1:9.16.8-1ubuntu3.1)
mantic
Released (1:9.16.8-1ubuntu3.1)
noble
Released (1:9.16.8-1ubuntu3.1)
trusty Needed

upstream
Released (9.11.30,9.16.14,9.17.12)
xenial
Released (1:9.10.3.dfsg.P4-8ubuntu1.19)

Severity score breakdown

Parameter Value
Base score 6.5
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H