Google Android Broadcom Wi-Fi Driver access control

Summaryinfo

A vulnerability, which was classified as critical, has been found in Google Android. This issue affects some unknown processing of the component Broadcom Wi-Fi Driver. Performing a manipulation results in access control. This vulnerability is known as CVE-2017-0788. Access to the local network is required for this attack. No exploit is available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability, which was classified as critical, was found in Google Android (Smartphone Operating System) (affected version unknown). This affects an unknown functionality of the component Broadcom Wi-Fi Driver. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

A elevation of privilege vulnerability in the Broadcom wi-fi driver. Product: Android. Versions: Android kernel. Android ID: A-37722328. References: B-V2017053103.

The bug was discovered 09/05/2017. The weakness was published 09/08/2017 (Website). It is possible to read the advisory at source.android.com. This vulnerability is uniquely identified as CVE-2017-0788 since 11/29/2016. The exploitability is told to be easy. The attack can only be done within the local network. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 01/11/2021). It is expected to see the exploit prices for this product increasing in the near future.The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 3 days. During that time the estimated underground price was around $25k-$100k.

Applying a patch is able to eliminate this problem.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 100655†). Similar entries are available at VDB-101269, VDB-101388, VDB-101623 and VDB-106244. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Smartphone Operating System

Vendor

• Google

Name

• Android

License

• free

Website

• Vendor: https://www.google.com/

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Entryinfo

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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