Google Android 10.0/11.0/12.0/13.0 NotificationManagerService.java buzzBeepBlinkLocked permission

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Google Android 10.0/11.0/12.0/13.0. It has been rated as critical. This vulnerability affects the function buzzBeepBlinkLocked of the file NotificationManagerService.java. The manipulation leads to permission. This vulnerability is uniquely identified as CVE-2022-20448. Local access is required to approach this attack. No exploit exists. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability was found in Google Android 10.0/11.0/12.0/13.0 (Smartphone Operating System). It has been rated as critical. This issue affects the function buzzBeepBlinkLocked of the file NotificationManagerService.java. The manipulation with an unknown input leads to a permission vulnerability. Using CWE to declare the problem leads to CWE-275. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

In buzzBeepBlinkLocked of NotificationManagerService.java, there is a possible way to share data across users due to a permissions bypass. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-12L Android-13Android ID: A-237540408

The weakness was disclosed 11/09/2022 as A-237540408. It is possible to read the advisory at source.android.com. The identification of this vulnerability is CVE-2022-20448 since 10/14/2021. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/01/2025). It is expected to see the exploit prices for this product increasing in the near future.The attack technique deployed by this issue is T1222 according to MITRE ATT&CK.

Applying a patch is able to eliminate this problem.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

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

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Permission
CWE: CWE-275 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
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

10/14/2021 🔍
11/09/2022 +391 days 🔍
11/09/2022 +0 days 🔍
05/01/2025 +904 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: A-237540408
Status: Confirmed

CVE: CVE-2022-20448 (🔍)
GCVE (CVE): GCVE-0-2022-20448
GCVE (VulDB): GCVE-100-213227
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 11/09/2022 11:03
Updated: 05/01/2025 22:38
Changes: 11/09/2022 11:03 (43), 12/10/2022 18:43 (12), 05/01/2025 22:38 (15)
Complete: 🔍
Cache ID: 216::103

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