Out-of-bounds read in ImageMagick

1) Out-of-bounds read

EUVDB-ID: #VU33485

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-2018-18025

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

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

External links

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

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.