Huawei Berkeley Smart Phone Mali Driver double free

Summaryinfo

A vulnerability was found in Huawei Berkeley Smart Phone. It has been rated as critical. Impacted is an unknown function of the component Mali Driver. This manipulation causes double free. This vulnerability is registered as CVE-2018-7899. The attack needs to be launched locally. No exploit is available.

Detailsinfo

A vulnerability was found in Huawei Berkeley Smart Phone (Smartphone Operating System) (version unknown). It has been declared as critical. Affected by this vulnerability is an unknown function of the component Mali Driver. The manipulation with an unknown input leads to a double free vulnerability. The CWE definition for the vulnerability is CWE-415. The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The Mali Driver of Huawei Berkeley-AL20 and Berkeley-BD smart phones with software Berkeley-AL20 8.0.0.105(C00), 8.0.0.111(C00), 8.0.0.112D(C00), 8.0.0.116(C00), 8.0.0.119(C00), 8.0.0.119D(C00), 8.0.0.122(C00), 8.0.0.132(C00), 8.0.0.132D(C00), 8.0.0.142(C00), 8.0.0.151(C00), Berkeley-BD 1.0.0.21, 1.0.0.22, 1.0.0.23, 1.0.0.24, 1.0.0.26, 1.0.0.29 has a double free vulnerability. An attacker can trick a user to install a malicious application and exploit this vulnerability when in the exception handling process. Successful exploitation may cause system reboot.

The bug was discovered 04/18/2018. The weakness was published 04/19/2018 (Website). It is possible to read the advisory at huawei.com. This vulnerability is known as CVE-2018-7899 since 03/09/2018. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. 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 03/03/2023).

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $5k-$25k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Type

• Smartphone Operating System

Vendor

• Huawei

Name

• Berkeley Smart Phone

License

• commercial

Website

• Vendor: https://www.huawei.com/

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