Input validation error in macOS - CVE-2021-1787

 

Input validation error in macOS - CVE-2021-1787

Published: February 2, 2021


Vulnerability identifier: #VU50187
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-1787
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input within the Crash Reporter component in macOS. A local user can pass specially crafted input to the application and perform a denial of service (DoS) attack.


Affected software

macOS
iPadOS
Apple iOS

How to mitigate CVE-2021-1787

Install updates from vendor's website.

macOS - update to 10.15.7 19H512
iPadOS - update to 14.4 18D52
Apple iOS - update to 14.4 18D52

External References

Related Security Bulletins