CVE-2021-30877 Information

Description

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Monterey 12.0.1 Security Update 2021-007 Catalina macOS Big Sur 11.6.1. Processing a maliciously crafted AppleScript binary may result in unexpected application termination or disclosure of process memory.

CVSS Vector

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

Reference

https://support.apple.com/en-us/HT212869 https://support.apple.com/en-us/HT212871 https://support.apple.com/en-us/HT212872

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.1