#VU38665 Incorrect calculation in ImageMagick - CVE-2017-11537

Vulnerability identifier: #VU38665

Vulnerability risk: Medium

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2017-11537

CWE-ID: CWE-682

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.

When ImageMagick 7.0.6-1 processes a crafted file in convert, it can lead to a Floating Point Exception (FPE) in the WritePALMImage() function in coders/palm.c, related to an incorrect bits-per-pixel calculation.

Mitigation
Install update from vendor's website.

Vulnerable software versions

ImageMagick: 7.0.6-1

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External links
https://github.com/ImageMagick/ImageMagick/issues/560
https://lists.debian.org/debian-lts-announce/2019/05/msg00015.html
https://usn.ubuntu.com/3681-1/
https://www.debian.org/security/2017/dsa-4019

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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.