A vulnerability was found in Google Android (Smartphone Operating System) (version now known). It has been rated as critical. Affected by this issue is some unknown processing of the component Linux Kernel. The manipulation with an unknown input leads to a double free vulnerability. Using CWE to declare the problem leads to CWE-415. The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations. 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, 'voice_svc_dev' is allocated as a device-managed resource. If error 'cdev_alloc_err' occurs, 'device_destroy' will free all associated resources, including 'voice_svc_dev' leading to a double free.

The bug was discovered 09/04/2018. The weakness was disclosed 09/18/2018 (Website). The advisory is shared for download at source.android.com. This vulnerability is handled as CVE-2018-11273 since 05/18/2018. The exploitation is known to be easy. The attack needs to be approached locally. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 05/16/2023). 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 14 days. During that time the estimated underground price was around $5k-$25k.

Applying a patch is able to eliminate this problem.

The entries 124170, 124175, 124178 and 124180 are pretty similar.

Productinfo

Type

• Smartphone Operating System

Vendor

• Google

Name

• Android

License

• free

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• 🔍

CPE 2.2info

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• 🔍

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