Improper input validation in GD Graphics Library - CVE-2016-10167

Vulnerability identifier: #VU7575

CSH Severity: Low

CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]

CVE-ID: CVE-2016-10167

CWE-ID: CWE-20

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation when processing images in gdImageCreateFromGd2Ctx() function in gd_gd2.c. A remote attacker can supply a malformed image and crash the application, using the affected library.

GD Graphics Library
Amazon Linux AMI
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for Power
SUSE Linux
Slackware Linux
Fedora
gd (Alpine package)
libwmf

Update to version 2.2.4.

gd (Alpine package) - update to 2.2.4-r0
libwmf - addressed in versions 0.2.8.4-50.fc24, 0.2.8.4-50.fc25

• https://github.com/libgd/libgd/blob/gd-2.2.4/CHANGELOG.md

• Slackware Linux update for gd
• Red Hat update for libgd
• Slackware Linux update for libwmf
• Red Hat update for php
• Slackware Linux update for php
• Amazon Linux AMI update for php56
• Amazon Linux AMI update for php70
• SUSE Linux update for php53
• Improper input validation in gd (Alpine package)
• Fedora 25 update for libwmf
• Fedora 24 update for libwmf