Out-of-bounds read in ImageMagick

1) Out-of-bounds read

EUVDB-ID: #VU33485

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 - 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

CPE2.3

• cpe:2.3:a:imagemagick_org:imagemagick:7.0.8-13:*:*:*:*:*:*:*
• cpe:2.3:o:debian:debian_linux:7.0.8-13:*:*:*:*:*:*:*
• cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

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/

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.