Google Android 8.1/9.0/10.0 ServiceRecord.java postNotification privileges management

Summaryinfo

A vulnerability, which was classified as critical, has been found in Google Android 8.1/9.0/10.0. Impacted is the function postNotification of the file ServiceRecord.java. Performing a manipulation results in privileges management. This vulnerability is known as CVE-2020-0108. Attacking locally is a requirement. No exploit is available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability classified as critical has been found in Google Android 8.1/9.0/10.0 (Smartphone Operating System). This affects the function postNotification of the file ServiceRecord.java. The manipulation with an unknown input leads to a privileges management vulnerability. CWE is classifying the issue as CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

In postNotification of ServiceRecord.java, there is a possible bypass of foreground process restrictions due to an uncaught exception. 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-8.1 Android-9Android ID: A-140108616

The weakness was published 08/11/2020 (Website). It is possible to read the advisory at source.android.com. This vulnerability is uniquely identified as CVE-2020-0108 since 10/17/2019. Attacking locally is a requirement. The successful exploitation needs a authentication. 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 08/12/2020). It is expected to see the exploit prices for this product increasing in the near future.The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

Applying a patch is able to eliminate this problem.

Similar entries are available at VDB-159616, VDB-159617, VDB-159618 and VDB-159619. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Smartphone Operating System

Vendor

• Google

Name

• Android

Version

• 8.1
• 9.0
• 10.0

License

• free

Website

• Vendor: https://www.google.com/

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