Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2020-9900

Severity CVSS v4.0:
Pending analysis
Type:
CWE-59 Link Following
Publication date:
22/10/2020
Last modified:
09/01/2023

Description

An issue existed within the path validation logic for symlinks. This issue was addressed with improved path sanitization. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, tvOS 13.4.8, watchOS 6.2.8. A local attacker may be able to elevate their privileges.

Impact

Vector 3.x
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/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:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
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:L/AC:L/Au:N/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 4.60 MEDIUM
Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P

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

Base Score 2.0
4.60
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* 13.6 (excluding)
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* 13.6 (excluding)
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* 10.15.6 (excluding)
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* 13.4.8 (excluding)
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* 6.2.8 (excluding)

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


References to Advisories, Solutions, and Tools