#VU7572 Improper input validation in GD Graphics Library


Published: 2017-07-19 | Updated: 2017-07-19

Vulnerability identifier: #VU7572

Vulnerability risk: Low

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2016-9317

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
GD Graphics Library
Universal components / Libraries / Libraries used by multiple products

Vendor: Boutell.Com, Inc.

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

The vulnerability exists due to improper input validation when processing overly large images in the gdImageCreate() function in the GD Graphics Library (aka libgd) before 2.2.4. A remote attacker can supply an overly large image and crash the application, using the affected library.

Mitigation
Update to version 2.2.4.

Vulnerable software versions

GD Graphics Library: 2.1.0 - 2.2.3


External links
http://github.com/libgd/libgd/blob/gd-2.2.4/CHANGELOG.md
http://github.com/libgd/libgd/commit/1846f48e5fcdde996e7c27a4bbac5d0aef183e4b


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability