#VU55192 Race condition in macOS - CVE-2021-30786

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Main Vulnerability Database Vulnerabilities #VU55192

#VU55192 Race condition in macOS - CVE-2021-30786

Published: July 21, 2021


Vulnerability identifier: #VU55192
Vulnerability risk: High
CVSSv4.0: 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/E:U/U:Amber
CVE-ID: CVE-2021-30786
CWE-ID: CWE-362
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
macOS
Software vendor:
Apple Inc.

Description

The vulnerability allows a remote attacker to execute arbitrary code on the system.

The vulnerability exists due to a race condition when processing PDF files within the CoreServices subsystem. A remote attacker can create a specially crafted PDF file to trigger the race condition and execute arbitrary code on the system.


Remediation

Install updates from vendor's website.

External links