CVE-2019-8657 Information

Description

An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 12.4 macOS Mojave 10.14.6 tvOS 12.4 watchOS 5.3. Parsing a maliciously crafted office document may lead to an unexpected application termination or arbitrary code execution.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Reference

https://support.apple.com/HT210346 https://support.apple.com/HT210348 https://support.apple.com/HT210351 https://support.apple.com/HT210353

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8