Use-after-free in ImageMagick - CVE-2021-3962

 

Use-after-free in ImageMagick - CVE-2021-3962

Published: November 29, 2021


Vulnerability identifier: #VU58430
CSH Severity: High
CVSS v4.0: 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-2021-3962
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: ImageMagick.org
Affected software:
ImageMagick

Detailed vulnerability description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error during convert processes in dcm.c. A remote attacker can trick a victim to open a specially crafted image file and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.


How to mitigate CVE-2021-3962

Install updates from vendor's website.

Sources