Remote code execution in ImageMagick

1) Use-after-free

EUVDB-ID: #VU21055

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-2019-15140

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system

The vulnerability exists in "ReadImage" in the "MagickCore/constitute.c" file due to a use-after-free error when the affected software does improper memory operations. A remote attacker can trick a victim to open a specially crafted file 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: 7.0.8-43 Q16

CPE2.3

• cpe:2.3:a:imagemagick_org:imagemagick:7.0.8-43_Q16:*:*:*:*:*:*:*

External links

https://github.com/ImageMagick/ImageMagick/commit/f7206618d27c2e69d977abf40e3035a33e5f6be0
https://github.com/ImageMagick/ImageMagick/issues/1554

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.