Google Android 8.0/8.1/9.0/10.0/11.0 Bluetooth CompanionDeviceManagerService.java checkCallerIsSystemOr permission

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
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6.0$0-$5k0.00

A vulnerability, which was classified as critical, was found in Google Android 8.0/8.1/9.0/10.0/11.0 (Smartphone Operating System). Affected is the function checkCallerIsSystemOr of the file CompanionDeviceManagerService.java of the component Bluetooth Handler. The manipulation with an unknown input leads to a permission vulnerability. CWE is classifying the issue as CWE-275. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was published 01/12/2021 as A-167244818. The advisory is available at source.android.com. This vulnerability is traded as CVE-2021-0319. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 02/11/2021). It is expected to see the exploit prices for this product increasing in the near future.This vulnerability is assigned to T1222 by the MITRE ATT&CK project.

Applying a patch is able to eliminate this problem.

Productinfo

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Version

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.2

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

NVD Base Score: 7.3
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Permission
CWE: CWE-275 / CWE-266
ATT&CK: T1222

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: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/06/2020 🔍
01/12/2021 +67 days 🔍
01/12/2021 +0 days 🔍
02/11/2021 +30 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: A-167244818
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-0319 (🔍)
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 01/12/2021 11:16
Updated: 02/11/2021 16:01
Changes: 01/12/2021 11:16 (42), 02/11/2021 15:58 (6), 02/11/2021 16:01 (18)
Complete: 🔍

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