(Pwn2Own) Samsung Galaxy Apps Staging Mode Privilege Escalation Vulnerability

June 7th, 2018
ZDI-18-560 ZDI-CAN-5359

CVE ID

CVE-2018-10502

CVSS Score

4.4 AV:L/AC:M/Au:N/C:P/I:P/A:P

Affected Vendors

Samsung

Affected Products

Galaxy Apps

Vulnerability Details


This vulnerability allows local attackers to escalate privileges on vulnerable installations of Samsung Galaxy Apps. 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 a staging mode. The issue lies in the ability to change the configuration based on the presence of a file in an user-controlled location. An attacker can leverage this vulnerability to escalate privileges to resources normally protected from the application.

Additional Details


Patched with GalaxyApps v. 4.2.18.2


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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