Vulnerability identifier: #VU33444

Vulnerability risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-14649

CWE-ID: CWE-617

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
GraphicsMagick
Universal components / Libraries / Libraries used by multiple products

Vendor: GraphicsMagick Group

Description

The vulnerability allows a local non-authenticated attacker to perform a denial of service (DoS) attack.

ReadOneJNGImage in coders/png.c in GraphicsMagick version 1.3.26 does not properly validate JNG data, leading to a denial of service (assertion failure in magick/pixel_cache.c, and application crash).

Mitigation
Install update from vendor's website.

Vulnerable software versions

GraphicsMagick: 1.3.26

---

External links
http://hg.code.sf.net/p/graphicsmagick/code/rev/358608a46f0a
http://www.securityfocus.com/bid/100958
http://blogs.gentoo.org/ago/2017/09/19/graphicsmagick-assertion-failure-in-pixel_cache-c/
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PF62B5PJA2JDUOCKJGUQO3SPL74BEYSV/
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WHIKB4TP6KBJWT2UIPWL5MWMG5QXKGEJ/
http://sourceforge.net/p/graphicsmagick/bugs/439/
http://usn.ubuntu.com/4232-1/

---

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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