Google Android up to 8.1 avrc_api.cc avrc_proc_vendor_command out-of-bounds write

Summaryinfo

A vulnerability was found in Google Android up to 8.1. It has been classified as critical. This impacts the function avrc_proc_vendor_command of the file avrc_api.cc. The manipulation leads to out-of-bounds write. This vulnerability is traded as CVE-2018-9450. It is possible to initiate the attack remotely. There is no exploit available. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability was found in Google Android up to 8.1 (Smartphone Operating System) and classified as critical. This issue affects the function avrc_proc_vendor_command of the file avrc_api.cc. 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 avrc_proc_vendor_command of avrc_api.cc, there is a possible out of bounds write due to a missing bounds check. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android Versions: Android-6.0 Android-6.0.1 Android-7.0 Android-7.1.1 Android-7.1.2 Android-8.0 Android-8.1 Android ID: A-79541338.

The bug was discovered 08/06/2018. The weakness was shared 11/06/2018 (Website). The advisory is shared at securitytracker.com. The identification of this vulnerability is CVE-2018-9450 since 04/05/2018. The exploitation is known to be easy. The attack may be initiated remotely. The requirement for exploitation is a simple authentication. 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 06/04/2023). 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 92 days. During that time the estimated underground price was around $25k-$100k.

Applying a patch is able to eliminate this problem.

The entries VDB-125980, VDB-125981, VDB-125982 and VDB-125984 are related to this item. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• Smartphone Operating System

Vendor

• Google

Name

• Android

Version

• 6.0
• 6.0.1
• 7.0
• 7.1.1
• 7.1.2
• 8.0
• 8.1

License

• free

Website

• Vendor: https://www.google.com/

CPE 2.3info

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CPE 2.2info

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Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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