CVE-2018-5711

MEDIUM

Description

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.

References

http://php.net/ChangeLog-5.php

http://php.net/ChangeLog-7.php

https://access.redhat.com/errata/RHSA-2018:1296

https://bugs.php.net/bug.php?id=75571

https://lists.debian.org/debian-lts-announce/2018/01/msg00022.html

https://lists.debian.org/debian-lts-announce/2019/01/msg00028.html

https://security.gentoo.org/glsa/201903-18

https://usn.ubuntu.com/3755-1/

Details

Source: MITRE

Published: 2018-01-16

Updated: 2019-04-03

Type: CWE-400

Risk Information

CVSS v2.0

Base Score: 4.3

Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P

Impact Score: 2.9

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3.0

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Impact Score: 3.6

Exploitability Score: 1.8

Severity: MEDIUM