CVE-2019-6742 Code injection in Galaxy S9

Critical 10.0 Published 3 Jun 2019 Updated 4 Aug 2024

Remote attackers can execute arbitrary code on Samsung Galaxy S9 devices via the GameServiceReceiver update mechanism without authentication.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2019-6742?

CVE-2019-6742 is a critical code injection vulnerability in Samsung Galaxy S9, published on 3 Jun 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Samsung Galaxy S9 prior to 1.4.20.2. 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. Was ZDI-CAN-7477.

Weakness: CWE-358

Which versions are affected by CVE-2019-6742?

It affects 1 product.

Products include Samsung Galaxy S9 Firmware.

How do I fix CVE-2019-6742?

No fix has been published for CVE-2019-6742 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2019-6742 being exploited?

There is no known exploitation of CVE-2019-6742 in the wild and no public exploit code.

Sources

Also known as GHSA-q778-9mxh-6vxg.