Google Android 9.0/10.0/11.0/12.0 Bluetooth DevicePickerFragment permission

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.2$5k-$25k0.00

A vulnerability classified as problematic has been found in Google Android 9.0/10.0/11.0/12.0 (Smartphone Operating System). This affects the function DevicePickerFragment of the component Bluetooth Handler. The manipulation with an unknown input leads to a privilege escalation vulnerability. CWE is classifying the issue as CWE-275. This is going to have an impact on confidentiality. The summary by CVE is:

The broadcast that DevicePickerFragment sends when a new device is paired doesn't have any permission checks, so any app can register to listen for it. This lets apps keep track of what devices are paired without requesting BLUETOOTH permissions.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-9Android ID: A-162951906

The weakness was disclosed 01/15/2022 as A-162951906. The advisory is shared at source.android.com. This vulnerability is uniquely identified as CVE-2021-1037 since 11/06/2020. The exploitability is told to be easy. An attack has to be approached locally. A authentication is necessary for exploitation. Technical details are known, but no exploit is available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 01/19/2022). It is expected to see the exploit prices for this product increasing in the near future.MITRE ATT&CK project uses the attack technique T1222 for this issue.

Applying a patch is able to eliminate this problem.

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CVSSv3infoedit

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: 🔍

CVSSv2infoedit

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

Exploitinginfoedit

Class: Privilege escalation
CWE: CWE-275
ATT&CK: T1222

Local: Yes
Remote: No

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfoedit

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

Countermeasuresinfoedit

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: source.android.com

Timelineinfoedit

11/06/2020 CVE assigned
01/15/2022 +435 days Advisory disclosed
01/15/2022 +0 days VulDB entry created
01/19/2022 +4 days VulDB last update

Sourcesinfoedit

Vendor: https://www.google.com/

Advisory: A-162951906
Status: Confirmed

CVE: CVE-2021-1037 (🔒)
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfoedit

Created: 01/15/2022 08:06 AM
Updated: 01/19/2022 02:06 PM
Changes: (1) source_cve_nvd_summary
Complete: 🔍

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