Google Android 11.0/12.0/13.0 PermissionManagerService.java onPackageAddedInternal permission

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Google Android 11.0/12.0/13.0. It has been classified as critical. This impacts the function onPackageAddedInternal of the file PermissionManagerService.java. The manipulation leads to permission. This vulnerability is documented as CVE-2023-20906. The attack needs to be performed locally. There is not any exploit available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability was found in Google Android 11.0/12.0/13.0 (Smartphone Operating System). It has been rated as critical. This issue affects the function onPackageAddedInternal of the file PermissionManagerService.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 onPackageAddedInternal of PermissionManagerService.java, there is a possible way to silently grant a permission after a Target SDK update due to a permissions bypass. This could lead to local escalation of privilege after updating an app to a higher Target SDK with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12L Android-13Android ID: A-221040577

The weakness was released 03/25/2023 as A-221040577. It is possible to read the advisory at source.android.com. The identification of this vulnerability is CVE-2023-20906 since 11/03/2022. 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 04/15/2023). 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.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Version

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

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

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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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

11/03/2022 🔍
03/25/2023 +142 days 🔍
03/25/2023 +0 days 🔍
04/15/2023 +21 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: A-221040577
Status: Confirmed

CVE: CVE-2023-20906 (🔍)
GCVE (CVE): GCVE-0-2023-20906
GCVE (VulDB): GCVE-100-223991
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 03/25/2023 09:20
Updated: 04/15/2023 09:16
Changes: 03/25/2023 09:20 (43), 04/15/2023 09:16 (11)
Complete: 🔍
Cache ID: 216::103

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