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CVE-2020-14403

Published: 17 June 2020

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

Notes

AuthorNote
mdeslaur
same commit as CVE-2020-14402

Priority

Medium

Cvss 3 Severity Score

5.4

Score breakdown

Status

Package Release Status
x11vnc
Launchpad, Ubuntu, Debian
groovy Ignored
(end of life)
trusty Needs triage

bionic Needs triage

eoan Ignored
(end of life)
focal Needs triage

hirsute Ignored
(end of life)
kinetic Ignored
(end of life, was needs-triage)
xenial Needs triage

impish Ignored
(end of life)
lunar Needs triage

jammy Needs triage

upstream Needs triage

veyon
Launchpad, Ubuntu, Debian
upstream Needs triage

trusty Does not exist

xenial Does not exist

bionic Does not exist

eoan Ignored
(end of life)
focal Needs triage

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

groovy Ignored
(end of life)
jammy Needs triage

libvncserver
Launchpad, Ubuntu, Debian
focal
Released (0.9.12+dfsg-9ubuntu0.2)
hirsute 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)
groovy Not vulnerable
(0.9.13+dfsg-1)
impish Not vulnerable
(0.9.13+dfsg-1)
jammy Not vulnerable
(0.9.13+dfsg-1)
kinetic Not vulnerable
(0.9.13+dfsg-1)
trusty Does not exist

upstream Needs triage

xenial
Released (0.9.10+dfsg-3ubuntu0.16.04.5)
Patches:
upstream: https://github.com/LibVNC/libvncserver/commit/74e8a70f2c9a5248d6718ce443e07c7ed314dfff
vino
Launchpad, Ubuntu, Debian
hirsute
Released (3.22.0-6ubuntu2)
upstream Needs triage

trusty Does not exist

xenial
Released (3.8.1-0ubuntu9.3)
bionic
Released (3.22.0-3ubuntu1.1)
focal
Released (3.22.0-5ubuntu2.1)
groovy
Released (3.22.0-6ubuntu2)
lunar
Released (3.22.0-6ubuntu2)
impish
Released (3.22.0-6ubuntu2)
jammy
Released (3.22.0-6ubuntu2)
kinetic
Released (3.22.0-6ubuntu2)

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