Out-of-bounds read in macOS - CVE-2020-27924

 

Out-of-bounds read in macOS - CVE-2020-27924

Published: May 13, 2021


Vulnerability identifier: #VU53237
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-27924
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to a boundary condition in ImageIO. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger out-of-bounds read error and compromise the affected system.


Affected software

macOS

How to mitigate CVE-2020-27924

Install updates from vendor's website.

macOS - addressed in versions 10.14.6 18G7016, 10.15.7 19H114, 11.1 20C69

External References

Related Security Bulletins