VDB-166292 · CVE-2020-9974 · HT212011

Apple macOS up to 11.0.1 Kernel state issue

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.2	$0-$5k	0.00

Summaryinfo

A vulnerability classified as problematic was found in Apple macOS up to 11.0.1. Impacted is an unknown function of the component Kernel. Such manipulation leads to state issue. This vulnerability is uniquely identified as CVE-2020-9974. Local access is required to approach this attack. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Apple macOS up to 11.0.1 (Operating System). It has been rated as problematic. Affected by this issue is an unknown function of the component Kernel. The manipulation with an unknown input leads to a state issue vulnerability. Using CWE to declare the problem leads to CWE-371. Impacted is confidentiality.

The weakness was disclosed 12/14/2020 by Tommy Muir as HT212011 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is handled as CVE-2020-9974. There are neither technical details nor an exploit publicly available. The advisory points out:

A malicious application may be able to determine kernel memory layout

Upgrading to version 11.1 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:

A logic issue was addressed with improved state management.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Operating System

Vendor

Apple

Name

macOS

Version

License

commercial

Website

Vendor: https://www.apple.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.3

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: State issue
CWE: CWE-371
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: macOS 11.1

Timelineinfo

03/02/2020 🔍
12/14/2020 +287 days 🔍
12/14/2020 +0 days 🔍
12/15/2020 +1 days 🔍
12/17/2020 +2 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT212011
Researcher: Tommy Muir
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2020-9974 (🔍)
GCVE (CVE): GCVE-0-2020-9974
GCVE (VulDB): GCVE-100-166292
scip Labs: https://www.scip.ch/en/?labs.20180712

Entryinfo

Created: 12/15/2020 14:58
Updated: 12/17/2020 21:05
Changes: 12/15/2020 14:58 (19), 12/15/2020 15:01 (28), 12/17/2020 21:02 (6), 12/17/2020 21:05 (18)
Complete: 🔍
Cache ID: 216::103