A vulnerability, which was classified as critical, has been found in Google Android (Smartphone Operating System) (the affected version is unknown). This issue affects an unknown code of the component WLAN Host. The manipulation with an unknown input 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. The summary by CVE is:

In all android releases (Android for MSM, Firefox OS for MSM, QRD Android) from CAF using the linux kernel, lack of check on the length of array while accessing can lead to an out of bound read in WLAN HOST function.

The bug was discovered 09/04/2018. The weakness was disclosed 09/19/2018 (Website). It is possible to read the advisory at source.codeaurora.org. The identification of this vulnerability is CVE-2018-11891 since 06/07/2018. The exploitation is known to be easy. The attack needs to be initiated within the local network. No form of authentication is needed for a successful 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 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 $25k-$100k.

Applying a patch is able to eliminate this problem.

Productinfo

Type

• Smartphone Operating System

Vendor

• Google

Name

• Android

License

• free

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CPE 2.2info

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