Vulnerability identifier: #VU33202

Vulnerability risk: Medium

CVSSv3.1: 5.7 [AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-14504

CWE-ID: CWE-476

Exploitation vector: Network

Exploit availability: No

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

Vendor: GraphicsMagick Group

Description

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

The vulnerability exists due to a NULL pointer dereference error in coders/pnm.c in GraphicsMagick 1.3.26 does not ensure the correct number of colors for the XV 332 format, leading to a NULL Pointer Dereference. A remote attacker can perform a denial of service (DoS) attack.

Mitigation
Update to version 1.3.27.

Vulnerable software versions

GraphicsMagick: 1.3.26

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External links
http://hg.graphicsmagick.org/hg/GraphicsMagick?cmd=changeset;node=fb09ca6dd22c
http://www.securityfocus.com/bid/100877
http://lists.debian.org/debian-lts-announce/2018/08/msg00002.html
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/465/
http://sourceforge.net/p/graphicsmagick/bugs/466/
http://usn.ubuntu.com/4232-1/
http://www.debian.org/security/2018/dsa-4321

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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.