Advisory Details

June 7th, 2018

(Pwn2Own) Samsung Members Intent Proxy Privilege Escalation Vulnerability

ZDI-18-562
ZDI-CAN-5361

CVE ID CVE-2018-11614
CVSS SCORE 4.4, (AV:L/AC:M/Au:N/C:P/I:P/A:P)
AFFECTED VENDORS Samsung
AFFECTED PRODUCTS Members
TREND MICRO CUSTOMER PROTECTION Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 29914. For further product information on the TippingPoint IPS: http://www.tippingpoint.com
VULNERABILITY DETAILS


This vulnerability allows remote attackers to escalate privileges on vulnerable installations of Samsung Members. 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 handling of Intents. The issue lies in the ability to send an Intent that would not otherwise be reachable. An attacker can leverage this vulnerability to escalate privileges to resources normally protected from the application.

ADDITIONAL DETAILS


Patched with Samsung Members v. 2.4.25


DISCLOSURE TIMELINE
  • 2017-11-05 - Vulnerability reported to vendor
  • 2018-06-07 - Coordinated public release of advisory
  • 2018-06-07 - Advisory Updated
CREDIT MWR Labs - Alex Plaskett
James Loureiro
Robert Miller and Georgi Geshev
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