CVE-2020-36521: An out-of-bounds read was addressed with improved input validation

Description

An out-of-bounds read was addressed with improved input validation. This issue is fixed in iCloud for Windows 11.4, iOS 14.0 and iPadOS 14.0, watchOS 7.0, tvOS 14.0, iCloud for Windows 7.21, iTunes for Windows 12.10.9. Processing a maliciously crafted tiff file may lead to a denial-of-service or potentially disclose memory contents.

CVSS vector

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

Attack vector

Local

Complexity

Low

Privileges

None

User interaction

Required

Confidentiality

High

Integrity

None

Availability

High

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)0.4% · higher than 38% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

IO

iOS · Apple

before 14.0 · source: NVD

MA

macOS · Apple

before 10.15.7 · source: NVD

IC

Icloud · Apple

before 7.21; 11.0 before 11.4 · source: NVD

IT

Itunes · Apple

before 12.10.9 · source: NVD

TV

Tvos · Apple

before 14.0 · source: NVD

WA

Watchos · Apple

before 7.0 · source: NVD