CVE-2020-27909 Information

Description

An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 14.2 and iPadOS 14.2 tvOS 14.2 watchOS 7.1. Processing a maliciously crafted audio file may lead to arbitrary code execution.

CVSS Vector

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

Reference

https://support.apple.com/en-us/HT211929 https://support.apple.com/en-us/HT211928 https://support.apple.com/en-us/HT211930 https://support.apple.com/kb/HT211931 http://seclists.org/fulldisclosure/2020/Dec/32 https://www.zerodayinitiative.com/advisories/ZDI-21-374/

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

7.8