CVE-2020-3895: 
Apple iCloud vulnerability analysis and mitigation

CVE-2020-3895 is a memory corruption vulnerability discovered in Apple's WebKit component that was disclosed and patched in March 2020. The vulnerability affects multiple Apple products including iOS 13.4, iPadOS 13.4, tvOS 13.4, watchOS 6.2, Safari 13.1, iTunes for Windows 12.10.5, iCloud for Windows 10.9.3, and iCloud for Windows 7.18. The issue was identified by security researcher grigoritchy (Apple Security Updates).

The vulnerability is classified as a memory corruption issue in WebKit that was addressed with improved memory handling. It has a CVSS v3.1 base score of 8.8 (HIGH) with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. The vulnerability is categorized as CWE-787 (Out-of-bounds Write) (NVD).

When exploited, processing maliciously crafted web content could lead to arbitrary code execution on affected systems. This could potentially allow attackers to execute malicious code in the context of the WebKit process (Apple Security Updates).

Apple addressed this vulnerability by implementing improved memory handling in WebKit. The fix was released in iOS 13.4 and iPadOS 13.4, tvOS 13.4, watchOS 6.2, Safari 13.1, iTunes for Windows 12.10.5, iCloud for Windows 10.9.3, and iCloud for Windows 7.18. Users should update to these versions or later to mitigate the vulnerability (Apple Security Updates).