#VU16711 Infinite loop in ImageMagick - CVE-2018-20467

Vulnerability identifier: #VU16711

Vulnerability risk: Low

CVSSv4.0: 1.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2018-20467

CWE-ID: CWE-835

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
ImageMagick
Client/Desktop applications / Multimedia software

Vendor: ImageMagick.org

Description

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

The vulnerability exists due to infinite loop in coders/bmp.c. A remote attacker can trick the victim into opening a specially crafted file, consume all available system resources and cause denial of service conditions.

Mitigation
Update to version 7.0.8-16.

Vulnerable software versions

ImageMagick: 7.0.8-0 - 7.0.8-14

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External links
https://github.com/ImageMagick/ImageMagick/commit/db0add932fb850d762b02604ca3053b7d7ab6deb
https://github.com/ImageMagick/ImageMagick/issues/1408

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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. However, proof of concept for this vulnerability is available.