#VU15351 Heap-based buffer overflow in ImageMagick - CVE-2018-16642

Vulnerability identifier: #VU15351

Vulnerability risk: High

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2018-16642

CWE-ID: CWE-122

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 execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within InsertRow in coders/cut.c when processing images. A remote attacker can create a specially crafted image, trigger heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

ImageMagick: 7.0.7-37

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External links
https://github.com/ImageMagick/ImageMagick/commit/cc4ac341f29fa368da6ef01c207deaf8c61f6a2e
https://github.com/ImageMagick/ImageMagick/issues/1162
https://lists.debian.org/debian-lts-announce/2018/10/msg00002.html
https://usn.ubuntu.com/3785-1/

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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.