NULL pointer dereference in GraphicsMagick

1) NULL pointer dereference

EUVDB-ID: #VU33203

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-2017-14994

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

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. A remote attacker can trigger denial of service conditions via a crafted DICOM image, related to the ability of DCM_ReadNonNativeImages to yield an image list with zero frames.

Mitigation

Update to version 1.3.27.

Vulnerable software versions

GraphicsMagick: 1.3.26

External links

http://hg.graphicsmagick.org/hg/GraphicsMagick?cmd=changeset;node=b3eca3eaa264
http://www.securityfocus.com/bid/101182
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://nandynarwhals.org/CVE-2017-14994/
http://sourceforge.net/p/graphicsmagick/bugs/512/
http://usn.ubuntu.com/4232-1/
http://www.debian.org/security/2018/dsa-4321

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.