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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)
bionic Needs triage

eoan Ignored
(end of life)
focal Needs triage

trusty Needs triage

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

impish Ignored
(end of life)
jammy Needs triage

upstream Needs triage

mantic Needs triage

lunar Ignored
(end of life, was 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)
mantic Not vulnerable
(0.9.13+dfsg-1)
Patches:
upstream: https://github.com/LibVNC/libvncserver/commit/74e8a70f2c9a5248d6718ce443e07c7ed314dfff
veyon
Launchpad, Ubuntu, Debian
bionic Does not exist

eoan Ignored
(end of life)
focal Needs triage

trusty Does not exist

upstream Needs triage

xenial Does not exist

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

mantic Needs triage

lunar Ignored
(end of life, was needs-triage)
vino
Launchpad, Ubuntu, Debian
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)
lunar
Released (3.22.0-6ubuntu2)
impish
Released (3.22.0-6ubuntu2)
jammy
Released (3.22.0-6ubuntu2)
kinetic
Released (3.22.0-6ubuntu2)
mantic
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