Advisory Details

June 8th, 2018

Huawei Mate 9 Pro Mali Double Free Privilege Escalation Vulnerability

CVE ID	CVE-2017-15316
CVSS SCORE	6.9, AV:L/AC:M/Au:N/C:C/I:C/A:C
AFFECTED VENDORS	Huawei
AFFECTED PRODUCTS	Mate 9 Pro
VULNERABILITY DETAILS	This vulnerability allows remote attackers to escalate privileges on vulnerable installations of Huawei Mate 9 Pro. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the Mali GPU driver. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code under the context of the kernel.
ADDITIONAL DETAILS	Huawei has issued an update to correct this vulnerability. More details can be found at: http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20171201-01-smartphone-en
DISCLOSURE TIMELINE	2017-11-05 - Vulnerability reported to vendor 2018-06-08 - Coordinated public release of advisory 2018-06-08 - Advisory Updated
CREDIT	Tencent Keen Security Lab

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