Advisory Details

April 29th, 2015

(Mobile Pwn2Own) Amazon App Store JavaScript Bridge Remote Code Execution Vulnerability

CVE ID
CVSS SCORE	6.8, AV:N/AC:M/Au:N/C:P/I:P/A:P
AFFECTED VENDORS	Amazon
AFFECTED PRODUCTS	App Store
TREND MICRO CUSTOMER PROTECTION	Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID ['17034']. For further product information on the TippingPoint IPS: http://www.tippingpoint.com
VULNERABILITY DETAILS	This vulnerability allows remote attackers to execute arbitrary code on Amazon Fire Phone. 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 methods that were exposed to the WebView. The IntentBridge class wraps IPC functions that allows an attacker to download and install a malicious application. A remote attacker can abuse this achieve remote code execution under the context of the process.
ADDITIONAL DETAILS	There was not an advisory posted and no patch required, the issue was fixed server side.
DISCLOSURE TIMELINE	2014-11-12 - Vulnerability reported to vendor 2015-04-29 - Coordinated public release of advisory
CREDIT	MWR Labs

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