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CVE-2020-14402

Published: 17 June 2020

An issue was discovered in LibVNCServer before 0.9.13. libvncserver/corre.c allows out-of-bounds access via encodings.

Priority

Medium

Cvss 3 Severity Score

5.4

Score breakdown

Status

Package Release Status
libvncserver
Launchpad, Ubuntu, Debian
focal
Released (0.9.12+dfsg-9ubuntu0.2)
impish Not vulnerable
(0.9.13+dfsg-1)
groovy Not vulnerable
(0.9.13+dfsg-1)
hirsute Not vulnerable
(0.9.13+dfsg-1)
kinetic Not vulnerable
(0.9.13+dfsg-1)
lunar Not vulnerable
(0.9.13+dfsg-1)
bionic
Released (0.9.11+dfsg-1ubuntu1.3)
eoan Ignored
(end of life)
jammy Not vulnerable
(0.9.13+dfsg-1)
trusty Does not exist

upstream Needs triage

xenial
Released (0.9.10+dfsg-3ubuntu0.16.04.5)
mantic Not vulnerable
(0.9.13+dfsg-1)
Patches:
upstream: https://github.com/LibVNC/libvncserver/commit/74e8a70f2c9a5248d6718ce443e07c7ed314dfff
vino
Launchpad, Ubuntu, Debian
impish
Released (3.22.0-6ubuntu2)
hirsute
Released (3.22.0-6ubuntu2)
bionic
Released (3.22.0-3ubuntu1.1)
focal
Released (3.22.0-5ubuntu2.1)
groovy
Released (3.22.0-6ubuntu2)
trusty Does not exist

upstream Needs triage

xenial
Released (3.8.1-0ubuntu9.3)
kinetic
Released (3.22.0-6ubuntu2)
lunar
Released (3.22.0-6ubuntu2)
jammy
Released (3.22.0-6ubuntu2)
mantic
Released (3.22.0-6ubuntu2)
veyon
Launchpad, Ubuntu, Debian
hirsute Ignored
(end of life)
groovy Ignored
(end of life)
impish Ignored
(end of life)
kinetic Ignored
(end of life, was needs-triage)
bionic Does not exist

eoan Ignored
(end of life)
focal Needs triage

jammy Needs triage

trusty Does not exist

upstream Needs triage

xenial Does not exist

mantic Needs triage

lunar Ignored
(end of life, was needs-triage)
x11vnc
Launchpad, Ubuntu, Debian
hirsute Ignored
(end of life)
xenial Needs triage

impish Ignored
(end of life)
kinetic Ignored
(end of life, was needs-triage)
bionic Needs triage

eoan Ignored
(end of life)
focal Needs triage

groovy Ignored
(end of life)
jammy Needs triage

trusty Needs triage

upstream Needs triage

mantic Needs triage

lunar Ignored
(end of life, was needs-triage)

Severity score breakdown

Parameter Value
Base score 5.4
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality Low
Integrity impact None
Availability impact Low
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L