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CVE-2017-1000121

Published: 1 November 2017

The UNIX IPC layer in WebKit, including WebKitGTK+ prior to 2.16.3, does not properly validate message size metadata, allowing a compromised secondary process to trigger an integer overflow and subsequent buffer overflow in the UI process. This vulnerability does not affect Apple products.

Notes

AuthorNote
jdstrand
webkit receives limited support. For details, see
https://wiki.ubuntu.com/SecurityTeam/FAQ#webkit
webkit in Ubuntu uses the JavaScriptCore (JSC) engine, not V8

Priority

Medium

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package Release Status
qtwebkit
Launchpad, Ubuntu, Debian
bionic Does not exist

disco Does not exist

eoan Ignored
(end of life)
focal Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

groovy Does not exist

hirsute Does not exist

kinetic Does not exist

lunar Does not exist

impish Does not exist

jammy Does not exist

mantic Does not exist

qtwebkit-opensource-src
Launchpad, Ubuntu, Debian
artful Ignored
(end of life)
groovy Ignored
(end of life)
hirsute Ignored
(end of life)
kinetic Ignored
(end of life, was needs-triage)
xenial Needs triage

bionic Needs triage

cosmic Ignored
(end of life)
disco Ignored
(end of life)
eoan Ignored
(end of life)
focal Needs triage

impish Ignored
(end of life)
jammy Needs triage

trusty Does not exist
(trusty was needs-triage)
upstream Needs triage

zesty Ignored
(end of life)
mantic Needs triage

lunar Ignored
(end of life, was needs-triage)
qtwebkit-source
Launchpad, Ubuntu, Debian
groovy Does not exist

hirsute Does not exist

xenial Needs triage

kinetic Does not exist

lunar Does not exist

artful Ignored
(end of life)
bionic Needs triage

cosmic Ignored
(end of life)
disco Ignored
(end of life)
eoan Does not exist

focal Does not exist

impish Does not exist

jammy Does not exist

trusty Does not exist
(trusty was needs-triage)
upstream Needs triage

zesty Ignored
(end of life)
mantic Does not exist

webkit2gtk
Launchpad, Ubuntu, Debian
groovy Not vulnerable
(2.17.92-1)
hirsute Not vulnerable
(2.17.92-1)
kinetic Not vulnerable
(2.17.92-1)
lunar Not vulnerable
(2.17.92-1)
artful Not vulnerable
(2.17.92-1)
bionic Not vulnerable
(2.17.92-1)
cosmic Not vulnerable
(2.17.92-1)
disco Not vulnerable
(2.17.92-1)
eoan Not vulnerable
(2.17.92-1)
focal Not vulnerable
(2.17.92-1)
impish Not vulnerable
(2.17.92-1)
jammy Not vulnerable
(2.17.92-1)
trusty Does not exist

upstream
Released (2.16.3)
xenial Not vulnerable
(2.16.6-0ubuntu0.16.04.1)
zesty Not vulnerable
(2.16.6-0ubuntu0.17.04.1)
mantic Not vulnerable
(2.17.92-1)
webkitgtk
Launchpad, Ubuntu, Debian
groovy Does not exist

hirsute Does not exist

xenial Needs triage

kinetic Does not exist

lunar Does not exist

artful Ignored
(end of life)
bionic Needs triage

cosmic Ignored
(end of life)
disco Does not exist

eoan Does not exist

focal Does not exist

impish Does not exist

jammy Does not exist

trusty Does not exist
(trusty was needs-triage)
upstream Needs triage

zesty Ignored
(end of life)
mantic Does not exist

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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H