(Pwn2Own) Samsung Galaxy S9 GameServiceReceiver Unsafe Updates Validation Remote Code Execution Vulnerability
March 5th, 2019
Vulnerability Details
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Samsung Galaxy S9. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the handling of the GameServiceReceiver update mechanism. An attacker can leverage this vulnerability to execute code in the context of the current process.
Additional Details
Fixed in version 1.4.20.2 or above
Disclosure Timeline
- 2018-11-15 - Vulnerability reported to vendor
- 2019-03-05 - Coordinated public release of advisory
- 2019-06-14 - Advisory Updated
Credit
MWR Labs - Georgi Geshev and Robert Miller