Summaryinfo

A vulnerability was found in Google Android. It has been declared as critical. Affected by this vulnerability is the function mgm_alloc_page of the file memory_group_manager.c. The manipulation leads to out-of-bounds write. This vulnerability is known as CVE-2021-39682. Local access is required to approach this attack. There is no exploit available. It is recommended to apply a patch to fix this issue. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Detailsinfo

A vulnerability was found in Google Android (Smartphone Operating System) (the affected version unknown). It has been classified as critical. Affected is the function mgm_alloc_page of the file memory_group_manager.c. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was released 01/15/2022 as A-201677538. The advisory is shared for download at source.android.com. This vulnerability is traded as CVE-2021-39682 since 08/23/2021. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 01/15/2022). 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.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• Smartphone Operating System

Vendor

• Google

Name

• Android

License

• free

CPE 2.3info

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• 🔍

CPE 2.2info

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• 🔍

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