VDB-164402 · CVE-2020-9974 · HT211930

Apple tvOS up to 14.1 Kernel information disclosure

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.
3.2	$0-$5k	0.00

Summaryinfo

A vulnerability classified as problematic was found in Apple tvOS up to 14.1. The impacted element is an unknown function of the component Kernel. Such manipulation leads to information disclosure. 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 tvOS up to 14.1 (Digital Media Player). 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 information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality.

The weakness was disclosed 11/05/2020 by Tommy Muir as HT211930 as confirmed advisory (Website). The advisory is available at support.apple.com. This vulnerability is handled as CVE-2020-9974. The exploitation is known to be easy. Local access is required to approach this attack. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1592 by the MITRE ATT&CK project. The advisory points out:

A malicious application may be able to determine kernel memory layout

Upgrading to version 14.2 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.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Digital Media Player

Vendor

Apple

Name

tvOS

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: 3.3
VulDB Meta Temp Score: 3.2

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

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: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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: tvOS 14.2

Timelineinfo

03/02/2020 🔍
11/05/2020 +248 days 🔍
11/05/2020 +0 days 🔍
11/06/2020 +1 days 🔍
12/03/2020 +27 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT211930
Researcher: Tommy Muir
Status: Confirmed

CVE: CVE-2020-9974 (🔍)
GCVE (CVE): GCVE-0-2020-9974
GCVE (VulDB): GCVE-100-164402

Entryinfo

Created: 11/06/2020 08:53
Updated: 12/03/2020 07:07
Changes: 11/06/2020 08:53 (8), 11/06/2020 08:54 (10), 11/06/2020 08:57 (28), 12/03/2020 07:07 (1)
Complete: 🔍
Cache ID: 216::103