Vulnerability identifier: #VU33187

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-2016-9830

CWE-ID: CWE-20

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.

The MagickRealloc function in memory.c in Graphicsmagick 1.3.25 allows remote attackers to cause a denial of service (crash) via large dimensions in a jpeg image.

Mitigation
Install update from vendor's website.

Vulnerable software versions

GraphicsMagick: 1.3.25

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External links
http://hg.code.sf.net/p/graphicsmagick/code/rev/38d0f281e8c8
http://lists.opensuse.org/opensuse-updates/2016-12/msg00141.html
http://www.debian.org/security/2016/dsa-3746
http://www.openwall.com/lists/oss-security/2016/12/05/5
http://www.securityfocus.com/bid/94625
http://blogs.gentoo.org/ago/2016/12/01/graphicsmagick-memory-allocation-failure-in-magickrealloc-memory-c
http://bugzilla.redhat.com/show_bug.cgi?id=1401536

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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.