Google Android 9.0/10.0/11.0/12.0 Bluetooth Setting ConnectedDeviceDashboardFragment.java onAttach permission
|CVSS Meta Temp Score|
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|Current Exploit Price (≈)|
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|CTI Interest Score|
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A vulnerability was found in Google Android 9.0/10.0/11.0/12.0 (Smartphone Operating System) and classified as critical. Affected by this issue is the function
onAttach of the file ConnectedDeviceDashboardFragment.java of the component Bluetooth Setting Handler. The manipulation with an unknown input leads to a privilege escalation vulnerability. Using CWE to declare the problem leads to CWE-275. Impacted is confidentiality, integrity, and availability. CVE summarizes:
In onAttach of ConnectedDeviceDashboardFragment.java, there is a possible permission bypass due to a confused deputy. This could lead to local escalation of privilege in Bluetooth settings with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-9Android ID: A-194695497
The weakness was disclosed 01/15/2022 as A-194695497. The advisory is available at source.android.com. This vulnerability is handled as CVE-2021-39626 since 08/23/2021. The exploitation is known to be easy. Local access is required to approach this attack. The successful exploitation needs a simple authentication. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of 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.This vulnerability is assigned to T1222 by the MITRE ATT&CK project.
Applying a patch is able to eliminate this problem.
CVSSv3VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
ExploitingClass: Privilege escalation
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒
Threat IntelligenceInterest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍
0-Day Time: 🔒
Timeline08/23/2021 CVE assigned
01/15/2022 +145 days Advisory disclosed
01/15/2022 +0 days VulDB entry created
01/19/2022 +4 days VulDB last update
CVE: CVE-2021-39626 (🔒)
scip Labs: https://www.scip.ch/en/?labs.20150917
EntryCreated: 01/15/2022 08:09 AM
Updated: 01/19/2022 02:21 PM
Changes: (1) source_cve_nvd_summary
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