CVE-2020-27912

HIGH

iCloud < 11.5 - Out-of-bounds Write via Malicious Image Processing

Title source: llm
STIX 2.1

Description

An out-of-bounds write was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.1, iOS 14.2 and iPadOS 14.2, iCloud for Windows 11.5, tvOS 14.2, iTunes 12.11 for Windows. Processing a maliciously crafted image may lead to arbitrary code execution.

References (9)

Core 9
Core References
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT211931
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT211935
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT211928
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT211929
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT211930
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT211933
Vendor Advisory x_refsource_confirm
https://support.apple.com/kb/HT212011
Mailing List, Third Party Advisory mailing-list x_refsource_fulldisc
http://seclists.org/fulldisclosure/2020/Dec/32
Mailing List, Third Party Advisory mailing-list x_refsource_fulldisc
http://seclists.org/fulldisclosure/2020/Dec/26

Scores

CVSS v3 7.8
EPSS 0.0176
EPSS Percentile 75.4%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-787
Status published
Products (7)
apple/icloud < 11.5
apple/ipados < 14.2
apple/iphone_os < 14.2
apple/itunes < 12.11
apple/macos < 11.0.1
apple/tvos < 14.2
apple/watchos < 7.1
Published Dec 08, 2020
Tracked Since Feb 18, 2026