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CVE-2018-20021

Published: 19 December 2018

LibVNC before commit c3115350eb8bb635d0fdb4dbbb0d0541f38ed19c contains a CWE-835: Infinite loop vulnerability in VNC client code. Vulnerability allows attacker to consume excessive amount of resources like CPU and RAM

Priority

Medium

CVSS 3 base score: 7.5

Status

Package Release Status
italc
Launchpad, Ubuntu, Debian
bionic
Released (1:3.0.3+dfsg1-3ubuntu0.1)
focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

precise Does not exist

trusty Does not exist
(trusty was needed)
upstream
Released (1:3.0.3+dfsg1-1+deb9u1, 1:2.0.2+dfsg1-2+deb8u1)
xenial
Released (1:2.0.2+dfsg1-4ubuntu0.1)
libvncserver
Launchpad, Ubuntu, Debian
bionic
Released (0.9.11+dfsg-1ubuntu1.1)
cosmic
Released (0.9.11+dfsg-1.1ubuntu0.1)
disco Not vulnerable
(0.9.11+dfsg-1.2)
focal Not vulnerable
(0.9.11+dfsg-1.2)
groovy Not vulnerable
(0.9.11+dfsg-1.2)
hirsute Not vulnerable
(0.9.11+dfsg-1.2)
impish Not vulnerable
(0.9.11+dfsg-1.2)
jammy Not vulnerable
(0.9.11+dfsg-1.2)
precise Does not exist

trusty Does not exist
(trusty was released [0.9.9+dfsg-1ubuntu1.4])
upstream
Released (0.9.11+dfsg-1.2)
xenial
Released (0.9.10+dfsg-3ubuntu0.16.04.3)
Patches:
upstream: https://github.com/LibVNC/libvncserver/commit/c3115350eb8bb635d0fdb4dbbb0d0541f38ed19c
ssvnc
Launchpad, Ubuntu, Debian
bionic Needed

focal Not vulnerable
(1.0.29-5)
groovy Not vulnerable
(1.0.29-5)
hirsute Not vulnerable
(1.0.29-5)
impish Not vulnerable
(1.0.29-5)
jammy Not vulnerable
(1.0.29-5)
precise Does not exist

trusty Does not exist
(trusty was needed)
upstream
Released (1.0.29-2+deb8u1, 1.0.29-3+deb9u1, 1.0.29-4+deb10u1, 1.0.29-5)
xenial
Released (1.9.29-2+deb8u1build0.16.04.1)
tightvnc
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Needs triage

groovy Ignored
(reached end-of-life)
hirsute Ignored
(reached end-of-life)
impish Needs triage

jammy Needs triage

precise Does not exist

trusty Does not exist
(trusty was needed)
upstream
Released (1:1.3.9-6.5+deb8u1)
xenial Ignored
(end of standard support, was needs-triage)
x11vnc
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(uses shared libvnc)
cosmic Ignored
(reached end-of-life)
disco Not vulnerable
(uses shared libvnc)
focal Not vulnerable
(uses shared libvnc)
groovy Not vulnerable
(uses shared libvnc)
hirsute Not vulnerable
(uses shared libvnc)
impish Not vulnerable
(uses shared libvnc)
jammy Not vulnerable
(uses shared libvnc)
precise Does not exist

trusty Not vulnerable
(uses shared libvnc)
upstream Needs triage

xenial Not vulnerable
(uses shared libvnc)