Integer overflow in macOS - CVE-2020-27945
Published: February 1, 2021
Vulnerability identifier: #VU50180
CSH Severity: High
CVSS v4: 8.6 [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]
CVE-ID: CVE-2020-27945
CWE-ID: CWE-190
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to integer overflow within the CFNetwork Cache component in macOS. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger an integer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
macOS
How to mitigate CVE-2020-27945
Install updates from vendor's website.
macOS - addressed in versions 10.14.6 18G8012, 10.15.7 19H512