Out-of-bounds read in macOS - CVE-2021-1791
Published: February 2, 2021
Vulnerability identifier: #VU50191
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-1791
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Apple Inc.
Affected software:
macOS
macOS
Detailed vulnerability description
The vulnerability allows a local application to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition within the FairPlay component in macOS. A local application can trigger out-of-bounds read error and read contents of kernel memory.
How to mitigate CVE-2021-1791
Install updates from vendor's website.