Vulnerability CVE-2018-5711


Published: 2018-01-16

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.

Type:

CWE-400

(Uncontrolled Resource Consumption ('Resource Exhaustion'))

Vendor: PHP
Product: PHP 
Version:
7.2.0
7.1.9
7.1.8
7.1.7
7.1.6
7.1.5
7.1.4
7.1.3
7.1.2
7.1.12
7.1.11
7.1.10
7.1.1
7.0.9
7.0.8
7.0.7
7.0.6
7.0.5
7.0.4
7.0.3
7.0.26
7.0.25
7.0.24
7.0.23
7.0.22
7.0.21
7.0.20
7.0.2
7.0.19
7.0.18
7.0.17
7.0.16
7.0.15
7.0.14
7.0.13
7.0.12
7.0.11
7.0.10
7.0.1
7.0.0
5.6.32

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial

 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://usn.ubuntu.com/3755-1/

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