#VU55256 Out-of-bounds read in macOS - CVE-2021-30742
Published: July 22, 2021
Vulnerability identifier: #VU55256
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-30742
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 GetFramesPerPacket function in AudioToolboxCore. A remote attacker can create a specially crafted LOAS file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.
Remediation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.