Race condition in macOS - CVE-2020-29622
Published: September 21, 2021
Vulnerability identifier: #VU56751
CSH Severity: High
CVSS v4: 8.5 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-29622
CWE-ID: CWE-362
Exploitation vector: Adjecent network
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 race condition within the OS kernel subsystem when mounting a malicious NFT network share. A remote attacker can trick the victim to mount a specially crafted NFS share, trigger a race condition and execute arbitrary code with system privileges.
Affected software
macOS
How to mitigate CVE-2020-29622
Install updates from vendor's website.
macOS - update to 10.15.7 19H1417