#VU60665 Out-of-bounds read in macOS - CVE-2021-30755
Published: February 16, 2022
Vulnerability identifier: #VU60665
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-30755
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
macOS
macOS
Software vendor:
Apple Inc.
Apple Inc.
Description
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition within the FontParser component. A remote attacker can create a specially crafted document with an embedded malicious font file, trick the victim into opening it, trigger an out-of-bounds read error and read contents of memory on the system.
Remediation
Install updates from vendor's website.