Google Android TV AppRestrictionsFragment.java TvSettings toctou

Summaryinfo

A vulnerability labeled as problematic has been found in Google Android TV. This vulnerability affects the function TvSettings of the file AppRestrictionsFragment.java. Such manipulation leads to toctou. This vulnerability is listed as CVE-2025-8192. The attack must be carried out locally. There is no available exploit.

Detailsinfo

A vulnerability was found in Google Android TV (the affected version unknown) and classified as problematic. Affected by this issue is the function TvSettings of the file AppRestrictionsFragment.java. The manipulation with an unknown input leads to a toctou vulnerability. Using CWE to declare the problem leads to CWE-367. The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check. This can cause the product to perform invalid actions when the resource is in an unexpected state. Impacted is confidentiality, integrity, and availability. CVE summarizes:

There exists a TOCTOU race condition in TvSettings AppRestrictionsFragment.java that lead to start of attacker supplied activity in Settings’ context, i.e. system-uid context, thus lead to launchAnyWhere. The core idea is to utilize the time window between the check of Intent and the use to Intent to change the target component’s state, thus bypass the original security sanitize function.

The weakness was presented by Qidan He. The advisory is available at defcon.org. This vulnerability is handled as CVE-2025-8192 since 07/25/2025. The exploitation is known to be difficult. Local access is required to approach this attack. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 07/31/2025).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Type

• Smartphone Operating System

Vendor

• Google

Name

• Android TV

License

• free

Website

• Vendor: https://www.google.com/

CPE 2.3info

• 🔒

CPE 2.2info

• 🔒

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