CVE-2020-8860 : What You Need to Know

A vulnerability in Samsung Galaxy S10 devices allows remote attackers to execute arbitrary code, requiring user interaction to exploit.

Understanding CVE-2020-8860

This CVE involves a stack-based buffer overflow in Samsung Galaxy S10 devices with specific firmware versions.

What is CVE-2020-8860?

The vulnerability enables remote attackers to execute arbitrary code on affected Samsung Galaxy S10 devices with Exynos chipsets.
User interaction is necessary, requiring the target to answer a phone call for exploitation.
The flaw lies within the Call Control Setup messages due to inadequate validation of user-supplied data.

The Impact of CVE-2020-8860

CVSS Score: 7.1 (High)
Attack Vector: Adjacent Network
Impact: High impact on confidentiality, integrity, and availability
User Interaction: Required

Technical Details of CVE-2020-8860

This section provides more in-depth technical insights into the vulnerability.

Vulnerability Description

The vulnerability is a stack-based buffer overflow (CWE-121) in Samsung Galaxy S10 devices.

Affected Systems and Versions

Product: Galaxy S10
Vendor: Samsung
Versions: Firmware G973FXXS3ASJA, O(8.x), P(9.0), Q(10.0) devices with Exynos chipsets

Exploitation Mechanism

Attack Complexity: High
Privileges Required: None
Scope: Unchanged
Exploitation involves adjacent network access and user interaction.

Mitigation and Prevention

Learn how to protect your devices from this vulnerability.

Immediate Steps to Take

Apply security updates from Samsung promptly.
Avoid answering calls from unknown or suspicious numbers.

Long-Term Security Practices

Regularly update firmware and security patches.
Implement network security measures to prevent unauthorized access.

Patching and Updates

Stay informed about security updates from Samsung.
Ensure all devices are running the latest firmware to mitigate the risk of exploitation.