CVE-2020-3909

Severity CVSS v4.0:

Pending analysis

Type:

CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Publication date:

01/04/2020

Last modified:

02/06/2022

Description

A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 13.4 and iPadOS 13.4, macOS Catalina 10.15.4, tvOS 13.4, watchOS 6.2, iTunes for Windows 12.10.5, iCloud for Windows 10.9.3, iCloud for Windows 7.18. Multiple issues in libxml2.

Impact

Vector 3.x

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

Base Score: 9.80 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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

Base Score 3.x

9.80

Severity 3.x

CRITICAL

Vector 2.0

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

Base Score: 7.50 HIGH
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

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

Base Score 2.0

7.50

Severity 2.0

HIGH

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:apple:icloud::::::windows::*		7.18 (excluding)
cpe:2.3:a:apple:icloud::::::windows::*	10.9 (including)	10.9.3 (excluding)
cpe:2.3:a:apple:itunes::::::windows::*		12.10.5 (excluding)
cpe:2.3:o:apple:ipados::::::::		13.4 (excluding)
cpe:2.3:o:apple:iphone_os::::::::		13.4 (excluding)
cpe:2.3:o:apple:mac_os_x::::::::		10.15.4 (excluding)
cpe:2.3:o:apple:tvos::::::::		13.4 (excluding)
cpe:2.3:o:apple:watchos::::::::		6.2 (excluding)
cpe:2.3:a:oracle:sun_zfs_storage_appliance_kit_software:8.8:::::::*

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

CVE-2020-3909

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools