Apple macOS up to 10.15.4 USB Audio input validation

CVSS Meta Temp Score
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CTI Interest Score
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3.3$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Apple macOS up to 10.15.4. This impacts an unknown function of the component USB Audio. This manipulation causes input validation. This vulnerability is tracked as CVE-2020-9792. It is feasible to perform the attack on the physical device. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in Apple macOS up to 10.15.4 (Operating System) and classified as problematic. Affected by this vulnerability is some unknown functionality of the component USB Audio. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect availability.

The weakness was disclosed 05/26/2020 by Andy Davis with NCC Group as HT211170 as confirmed advisory (Website). The advisory is shared at support.apple.com. This vulnerability is known as CVE-2020-9792. An attack has to be approached locally. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. The advisory points out:

A validation issue was addressed with improved input sanitization.

Upgrading to version 10.15.5 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The entries VDB-155770, VDB-155817, VDB-155818 and VDB-155819 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.4

VulDB Base Score: 2.4
VulDB Temp Score: 2.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.6
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: Yes
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: macOS 10.15.5

Timelineinfo

03/02/2020 🔍
05/26/2020 +85 days 🔍
05/26/2020 +0 days 🔍
05/30/2020 +4 days 🔍
10/20/2020 +143 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT211170
Researcher: Andy Davis
Organization: NCC Group
Status: Confirmed

CVE: CVE-2020-9792 (🔍)
GCVE (CVE): GCVE-0-2020-9792
GCVE (VulDB): GCVE-100-155857
scip Labs: https://www.scip.ch/en/?labs.20180712
See also: 🔍

Entryinfo

Created: 05/30/2020 07:48
Updated: 10/20/2020 18:14
Changes: 05/30/2020 07:48 (48), 05/30/2020 07:53 (16), 10/20/2020 18:14 (2)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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