Google Android 10.0/11.0 Lockscreen StatusBar.java exposure of resource

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.6$0-$5k0.00

A vulnerability, which was classified as problematic, has been found in Google Android 10.0/11.0 (Smartphone Operating System). Affected by this issue is some unknown processing of the file StatusBar.java of the component Lockscreen. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-668. Impacted is confidentiality. CVE summarizes:

In StatusBar.java, there is a possible disclosure of notification content on the lockscreen due to a logic error in the code. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11Android ID: A-189575031

The weakness was disclosed 01/15/2022 as A-189575031. The advisory is shared for download at source.android.com. This vulnerability is handled as CVE-2021-39628 since 08/23/2021. The exploitation is known to be easy. The attack needs to be approached locally. No form of authentication is required for exploitation. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 01/19/2022). It is expected to see the exploit prices for this product increasing in the near future.

Applying a patch is able to eliminate this problem.

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VulDB Meta Base Score: 3.7
VulDB Meta Temp Score: 3.6

VulDB Base Score: 4.0
VulDB Temp Score: 3.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 3.3
NVD Vector: 🔒

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

NVD Base Score: 🔒

Exploitinginfoedit

Class: Information disclosure
CWE: CWE-668
ATT&CK: Unknown

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

08/23/2021 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

Sourcesinfoedit

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

Advisory: A-189575031
Status: Confirmed

CVE: CVE-2021-39628 (🔒)
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfoedit

Created: 01/15/2022 07:45 AM
Updated: 01/19/2022 11:00 AM
Changes: (1) source_cve_nvd_summary
Complete: 🔍

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