Google Android up to 9.0 floor0.c floor0_inverse1 out-of-bounds write

Summaryinfo

A vulnerability marked as critical has been reported in Google Android up to 9.0. The affected element is the function floor0_inverse1 of the file floor0.c. The manipulation leads to out-of-bounds write. This vulnerability is referenced as CVE-2019-2027. Remote exploitation of the attack is possible. No exploit is available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability was found in Google Android up to 9.0 (Smartphone Operating System). It has been rated as critical. This issue affects the function floor0_inverse1 of the file floor0.c. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

In floor0_inverse1 of floor0.c, there is a possible out of bounds write due to an incorrect bounds check. This could lead to remote code execution with no additional execution privileges needed. User interaction is needed for exploitation. Product: Android. Versions: Android-7.0 Android-7.1.1 Android-7.1.2 Android-8.0 Android-8.1 Android-9. Android ID: A-119120561.

The bug was discovered 04/03/2019. The weakness was published 04/19/2019 (Website). The advisory is shared at source.android.com. The identification of this vulnerability is CVE-2019-2027 since 12/10/2018. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 05/31/2020). It is expected to see the exploit prices for this product increasing in the near future.

The vulnerability was handled as a non-public zero-day exploit for at least 16 days. During that time the estimated underground price was around $25k-$100k.

Applying a patch is able to eliminate this problem.

Similar entries are available at VDB-133864, VDB-133866, VDB-133867 and VDB-133868. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Smartphone Operating System

Vendor

• Google

Name

• Android

Version

• 7.0
• 7.1.1
• 7.1.2
• 8.0
• 8.1
• 9.0

License

• free

Website

• Vendor: https://www.google.com/

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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