Integer overflow in macOS - CVE-2020-9841
Published: May 28, 2020
Vulnerability identifier: #VU28310
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-9841
CWE-ID: CWE-190
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to execute arbitrary code on the target system.
The vulnerability exists due to integer overflow within the SkyLight module. A local user can pass specially crafted data to the application, trigger integer overflow, escalate privileges and execute arbitrary code in the context of WindowServer.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
macOS
How to mitigate CVE-2020-9841
Install updates from vendor's website.
macOS - update to 10.15.5 19F96