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-2016-5008

Published: 13 July 2016

libvirt before 2.0.0 improperly disables password checking when the password on a VNC server is set to an empty string, which allows remote attackers to bypass authentication and establish a VNC session by connecting to the server.

Notes

AuthorNote
mdeslaur
vnc password authentication isn't strong and isn't recommended
so setting priority to low to bundle with another update
leosilva
this CVE was original patched in unstable 2.0.0-1.

Priority

Low

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package Release Status
libvirt
Launchpad, Ubuntu, Debian
artful
Released (2.1.0-1ubuntu1)
bionic
Released (2.1.0-1.ubuntu1)
cosmic
Released (2.1.0-1.ubuntu1)
disco
Released (2.1.0-1.ubuntu1)
eoan
Released (2.1.0-1.ubuntu1)
focal
Released (2.1.0-1.ubuntu1)
groovy
Released (2.1.0-1.ubuntu1)
hirsute
Released (2.1.0-1.ubuntu1)
precise Ignored
(end of life)
trusty
Released (1.2.2-0ubuntu13.1.26)
upstream
Released (2.0.0-1)
wily Ignored
(end of life)
xenial
Released (1.3.1-1ubuntu10.19)
yakkety Ignored
(end of life)
zesty Ignored
(end of life)
Patches:
upstream: http://libvirt.org/git/?p=libvirt.git;a=commit;h=bb848feec0f3f10e92dd8e5231ae7aa89b5598f3

Severity score breakdown

Parameter Value
Base score 9.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H