A vulnerability was found in Google Android (Smartphone Operating System) (affected version not known). It has been rated as critical. Affected by this issue is the function service_locator_send_msg 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 android for MSM, Firefox OS for MSM, QRD Android, with all Android releases from CAF using the Linux kernel, a double free can occur when kmalloc fails to allocate memory for pointers resp/req in the service-locator driver function service_locator_send_msg().

The bug was discovered 11/08/2017. The weakness was presented 11/16/2017 (Website). The advisory is available at source.android.com. This vulnerability is handled as CVE-2017-11032 since 07/07/2017. The exploitation is known to be easy. Local access is required to approach this attack. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 12/07/2019). 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 8 days. During that time the estimated underground price was around $25k-$100k.

Applying a patch is able to eliminate this problem.

See 104449, 109492, 109498 and 109499 for similar entries.

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Type

• Smartphone Operating System

Vendor

• Google

Name

• Android

License

• free

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CPE 2.2info

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