CVE-2021-1744

Severity CVSS v4.0:

Pending analysis

Type:

CWE-787 Out-of-bounds Write

Publication date:

02/04/2021

Last modified:

12/04/2021

Description

An out-of-bounds write was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. Processing a maliciously crafted image may lead to arbitrary code execution.

Impact

Vector 3.x

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.80 HIGH
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x

7.80

Severity 3.x

HIGH

Vector 2.0

AV:N/AC:M/Au:N/C:C/I:C/A:C CVSS v2.0 Severity and Metrics:

Base Score: 9.30 HIGH
Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete

Base Score 2.0

9.30

Severity 2.0

HIGH

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:apple:ipados::::::::		14.4 (excluding)
cpe:2.3:o:apple:iphone_os::::::::		14.4 (excluding)
cpe:2.3:o:apple:mac_os_x::::::::	10.15 (including)	10.15.7 (excluding)
cpe:2.3:o:apple:mac_os_x:10.15.7:-::::::
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-001::::::
cpe:2.3:o:apple:mac_os_x:10.15.7:supplemental_update::::::
cpe:2.3:o:apple:macos::::::::	11.0.1 (including)	11.2 (excluding)
cpe:2.3:o:apple:tvos::::::::		14.4 (excluding)
cpe:2.3:o:apple:watchos::::::::		7.3 (excluding)

To consult the complete list of CPE names with products and versions, see this page

CVE-2021-1744

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools