Vulnerability identifier: #VU33211

Vulnerability risk: High

CVSSv3.1: 7.7 [AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-17503

CWE-ID: CWE-125

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 magick/import.c ImportGrayQuantumType heap-based buffer over-read via a crafted file. A remote attacker can perform a denial of service attack.

Mitigation
Update to version 1.3.27.

Vulnerable software versions

GraphicsMagick: 1.3.26

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External links
http://hg.code.sf.net/p/graphicsmagick/code/rev/460ef5e858ad
http://lists.debian.org/debian-lts-announce/2018/01/msg00005.html
http://lists.debian.org/debian-lts-announce/2018/06/msg00009.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/522/
http://usn.ubuntu.com/4248-1/
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.