Out-of-bounds read in macOS - CVE-2020-3880
Published: May 19, 2021
Vulnerability identifier: #VU53374
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-2020-3880
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing JPEG files in ImageIO. A remote attacker can create a specially crafted JPEG file, trick the victim into opening it, trigger an out-of-bounds read error and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
macOS
How to mitigate CVE-2020-3880
Install updates from vendor's website.
macOS - addressed in versions 10.13.6 17G11023, 10.14.6 18G3020, 10.15.3 19D76