CVE-2019-20566 Explained : Impact and Mitigation

A vulnerability has been identified on Samsung mobiles with certain software versions (prior to September 2019) that use SMP1300 Exynos modem chipsets. By manipulating the RP-Originator/Destination address, attackers can exploit stack corruption in the Shannon modem. This vulnerability has been assigned the Samsung ID SVE-2019-14858, and it was reported in September 2019.

Understanding CVE-2019-20566

This CVE involves a vulnerability in Samsung mobile devices with specific software versions and modem chipsets.

What is CVE-2019-20566?

This CVE refers to a security flaw in Samsung mobiles that allows attackers to trigger stack corruption in the Shannon modem by manipulating specific addresses.

The Impact of CVE-2019-20566

The vulnerability can be exploited by attackers to potentially compromise the affected Samsung devices, leading to unauthorized access or control.

Technical Details of CVE-2019-20566

This section provides technical insights into the vulnerability.

Vulnerability Description

The vulnerability allows attackers to exploit stack corruption in the Shannon modem by manipulating the RP-Originator/Destination address.

Affected Systems and Versions

Samsung mobile devices with software versions prior to September 2019
Devices using SMP1300 Exynos modem chipsets

Exploitation Mechanism

Attackers can exploit the vulnerability by manipulating specific addresses to trigger stack corruption in the Shannon modem.

Mitigation and Prevention

Protective measures to address the CVE-2019-20566 vulnerability.

Immediate Steps to Take

Update Samsung mobile devices to the latest software version released after September 2019.
Regularly check for security updates from Samsung.

Long-Term Security Practices

Implement strong access controls and authentication mechanisms on devices.
Educate users about safe browsing habits and avoiding suspicious links.

Patching and Updates

Apply security patches provided by Samsung promptly to address known vulnerabilities.