Google Android WLAN mode array index

Summaryinfo

A vulnerability categorized as critical has been discovered in Google Android. Affected is an unknown function of the component WLAN. Such manipulation of the argument mode as part of Parameter leads to array index. This vulnerability is traded as CVE-2018-11883. An attack has to be approached locally. There is no exploit available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability was found in Google Android (Smartphone Operating System) (affected version unknown). It has been rated as critical. Affected by this issue is an unknown functionality of the component WLAN. The manipulation of the argument mode as part of a Parameter leads to a array index vulnerability. Using CWE to declare the problem leads to CWE-129. The product uses untrusted input when calculating or using an array index, but the product does not validate or incorrectly validates the index to ensure the index references a valid position within the array. Impacted is confidentiality, integrity, and availability. CVE summarizes:

In all android releases (Android for MSM, Firefox OS for MSM, QRD Android) from CAF using the linux kernel, in policy mgr unit test if mode parameter in wlan function is given an out of bound value it can cause an out of bound access while accessing the PCL table.

The bug was discovered 09/04/2018. The weakness was shared 09/19/2018 (Website). The advisory is shared for download at source.codeaurora.org. This vulnerability is handled as CVE-2018-11883 since 06/07/2018. The exploitation is known to be easy. The attack needs to be approached locally. No form of authentication is required for exploitation. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 05/17/2023). 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 15 days. During that time the estimated underground price was around $5k-$25k.

Applying a patch is able to eliminate this problem.

The entries VDB-124248, VDB-124247, VDB-124246 and VDB-124245 are related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• Smartphone Operating System

Vendor

• Google

Name

• Android

License

• free

Website

• Vendor: https://www.google.com/

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Once again VulDB remains the best source for vulnerability data.

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