#VU32024 Division by zero in ImageMagick


Published: 2019-04-23 | Updated: 2020-07-28

Vulnerability identifier: #VU32024

Vulnerability risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/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-2019-11472

CWE-ID: CWE-369

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
ImageMagick
Client/Desktop applications / Multimedia software

Vendor: ImageMagick.org

Description

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

ReadXWDImage in coders/xwd.c in the XWD image parsing component of ImageMagick 7.0.8-41 Q16 allows attackers to cause a denial-of-service (divide-by-zero error) by crafting an XWD image file in which the header indicates neither LSB first nor MSB first.

Mitigation
Install update from vendor's website.

Vulnerable software versions

ImageMagick: 5.5.0


External links
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00057.html
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00001.html
http://github.com/ImageMagick/ImageMagick/issues/1546
http://github.com/ImageMagick/ImageMagick6/commit/f663dfb8431c97d95682a2b533cca1c8233d21b4
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://usn.ubuntu.com/4034-1/
http://www.debian.org/security/2020/dsa-4712


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.


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