#VU33485 Out-of-bounds read in ImageMagick and Debian Linux - CVE-2018-18025

Vulnerability identifier: #VU33485

Vulnerability risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/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-2018-18025

CWE-ID: CWE-125

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
ImageMagick
Client/Desktop applications / Multimedia software
Debian Linux
Operating systems & Components / Operating system

Vendor: ImageMagick.org
Debian

Description

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

The vulnerability exists due to heap-based buffer over-read in the EncodeImage function of coders/pict.c, which allows attackers to cause a denial of service via a crafted SVG image file. A remote attacker can perform a denial of service attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

ImageMagick: 7.0.8-13

Debian Linux: 7.0.8-13 - 8.0

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External links
https://github.com/ImageMagick/ImageMagick/issues/1335
https://lists.debian.org/debian-lts-announce/2018/11/msg00014.html
https://usn.ubuntu.com/4034-1/

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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.