Apple macOS up to 10.15.3 Application access control

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CVSS Meta Temp Score
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CTI Interest Score
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4.2$0-$5k0.00

A vulnerability, which was classified as critical, was found in Apple macOS up to 10.15.3 (Operating System). This affects an unknown code block of the component Application Handler. The manipulation with an unknown input leads to a privilege escalation vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

This issue was addressed with improved checks This issue is fixed in macOS Catalina 10.15.4, Security Update 2020-002 Mojave, Security Update 2020-002 High Sierra. An application may be able to trigger a sysdiagnose.

The weakness was released 10/28/2020 as HT211100. The advisory is shared at support.apple.com. This vulnerability is uniquely identified as CVE-2020-9786 since 03/02/2020. The exploitability is told to be easy. An attack has to be approached locally. The requirement for exploitation is a authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 11/29/2020). It is expected to see the exploit prices for this product increasing in the near future.MITRE ATT&CK project uses the attack technique T1068 for this issue.

Upgrading to version 10.15.4 eliminates this vulnerability.

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CVSSv3infoedit

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.2

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 3.3
NVD Vector: 🔒

CVSSv2infoedit

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

NVD Base Score: 🔒

Exploitinginfoedit

Class: Privilege escalation
CWE: CWE-264
ATT&CK: T1068

Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Remediation: 🔍

Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: macOS 10.15.4

Timelineinfoedit

03/02/2020 CVE assigned
10/28/2020 +240 days Advisory disclosed
10/28/2020 +0 days VulDB entry created
11/29/2020 +32 days VulDB last update

Sourcesinfoedit

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

Advisory: HT211100
Status: Confirmed

CVE: CVE-2020-9786 (🔒)
scip Labs: https://www.scip.ch/en/?labs.20180712

Entryinfoedit

Created: 10/28/2020 02:01 PM
Updated: 11/29/2020 08:49 PM
Changes: (18) vulnerability_cvss3_nvd_av vulnerability_cvss3_nvd_ac vulnerability_cvss3_nvd_pr vulnerability_cvss3_nvd_ui vulnerability_cvss3_nvd_s vulnerability_cvss3_nvd_c vulnerability_cvss3_nvd_i vulnerability_cvss3_nvd_a vulnerability_cvss2_nvd_av vulnerability_cvss2_nvd_ac vulnerability_cvss2_nvd_au vulnerability_cvss2_nvd_ci vulnerability_cvss2_nvd_ii vulnerability_cvss2_nvd_ai vulnerability_cvss3_meta_basescore vulnerability_cvss3_meta_tempscore vulnerability_cvss2_nvd_basescore vulnerability_cvss3_nvd_basescore
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