2021-0654 | Google Android TaskThumbnailView.java isRealSnapshot information disclosure (A-168802517)

By Max On Jul 18, 2021

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3.2	$0-$5k	0.90

A vulnerability was found in Google Android (Smartphone Operating System) (affected version unknown). It has been declared as problematic. Affected by this vulnerability is the function isRealSnapshot of the file TaskThumbnailView.java. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. As an impact it is known to affect confidentiality. The summary by CVE is:

In isRealSnapshot of TaskThumbnailView.java, there is possible data exposure due to a missing permission check. This could lead to local information disclosure from locked profiles with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-168802517References: N/A

The weakness was published 07/15/2021 as A-168802517. It is possible to read the advisory at source.android.com. This vulnerability is known as CVE-2021-0654 since 11/06/2020. The exploitation appears to be easy. Attacking locally is a requirement. The successful exploitation requires a single 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 07/18/2021). 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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