Advisory Details

August 2nd, 2018

(Pwn2Own) Huawei App Market Whitelist Bypass Privilege Escalation Vulnerability

CVE ID	CVE-2018-7931
CVSS SCORE	6.8, AV:N/AC:M/Au:N/C:P/I:P/A:P
AFFECTED VENDORS	Huawei
AFFECTED PRODUCTS	App Market
TREND MICRO CUSTOMER PROTECTION	Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID ['29905']. For further product information on the TippingPoint IPS: http://www.tippingpoint.com
VULNERABILITY DETAILS	This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Huawei App Market. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of whitelisted domains. The issue lies in the lack of verification that content was loaded over a secure channel. An attacker can leverage this vulnerability to escalate privileges to resources normally protected from the application.
ADDITIONAL DETAILS	Huawei has issued an update to correct this vulnerability. More details can be found at: https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20180423-01-app-en
DISCLOSURE TIMELINE	2017-11-01 - Vulnerability reported to vendor 2018-08-02 - Coordinated public release of advisory 2018-08-02 - Advisory Updated
CREDIT	MWR Labs - Alex Plaskett James Loureiro Robert Miller and Georgi Geshev

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