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CVE-2018-5711

Published: 16 January 2018

gd_gif_in.c in the GD Graphics Library (aka libgd), as used in PHP before 5.6.33, 7.0.x before 7.0.27, 7.1.x before 7.1.13, and 7.2.x before 7.2.1, has an integer signedness error that leads to an infinite loop via a crafted GIF file, as demonstrated by a call to the imagecreatefromgif or imagecreatefromstring PHP function. This is related to GetCode_ and gdImageCreateFromGifCtx.

Notes

AuthorNote
mdeslaur
php uses the system libgd2

Priority

Low

Cvss 3 Severity Score

5.5

Score breakdown

Status

Package Release Status
libgd2
Launchpad, Ubuntu, Debian
artful Ignored
(end of life)
bionic
Released (2.2.5-4ubuntu0.2)
cosmic
Released (2.2.5-4ubuntu1)
disco
Released (2.2.5-4ubuntu1)
eoan
Released (2.2.5-4ubuntu1)
focal
Released (2.2.5-4ubuntu1)
groovy
Released (2.2.5-4ubuntu1)
hirsute
Released (2.2.5-4ubuntu1)
trusty
Released (2.1.0-3ubuntu0.10)
upstream Needs triage

xenial
Released (2.1.1-4ubuntu0.16.04.10)
Patches:
upstream: https://github.com/libgd/libgd/commit/a11f47475e6443b7f32d21f2271f28f417e2ac04
php5
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

disco Does not exist

eoan Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

trusty Not vulnerable
(uses system gd)
upstream Needs triage

xenial Does not exist

php7.0
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

disco Does not exist

eoan Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

trusty Does not exist

upstream Needs triage

xenial Not vulnerable
(uses system gd)
php7.1
Launchpad, Ubuntu, Debian
artful Not vulnerable
(uses system gd)
bionic Does not exist

cosmic Does not exist

disco Does not exist

eoan Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

Severity score breakdown

Parameter Value
Base score 5.5
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H