CVE-2019-6741 Explained : Impact and Mitigation

This CVE-2019-6741 article provides insights into a vulnerability affecting Samsung Galaxy S9 devices before the January 2019 Security Update, allowing remote code execution.

Understanding CVE-2019-6741

This section delves into the details of the vulnerability and its impact.

What is CVE-2019-6741?

The vulnerability in Samsung Galaxy S9 devices pre-January 2019 allows remote attackers to execute arbitrary code by manipulating HTML within the captive portal system.

The Impact of CVE-2019-6741

Exploiting this flaw enables attackers to redirect users to malicious pages and execute code within the current process, potentially compromising confidentiality.

Technical Details of CVE-2019-6741

Explore the technical aspects of the vulnerability.

Vulnerability Description

The vulnerability permits remote code execution on vulnerable Samsung Galaxy S9 devices before the January 2019 Security Update, requiring user interaction via a wireless network connection.

Affected Systems and Versions

Product: Galaxy S9
Vendor: Samsung
Versions Affected: Prior to January 2019 Security Update (SMR-JAN-2019 - SVE-2018-13467)

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
User Interaction: Required
Confidentiality Impact: High
Integrity Impact: None
Privileges Required: None
Scope: Unchanged
Vector String: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Mitigation and Prevention

Learn how to mitigate the risks associated with CVE-2019-6741.

Immediate Steps to Take

Apply the January 2019 Security Update on Samsung Galaxy S9 devices.
Avoid connecting to unsecured wireless networks.

Long-Term Security Practices

Regularly update device software to patch known vulnerabilities.
Educate users on safe browsing practices to prevent exploitation of similar vulnerabilities.
Implement network security measures to detect and block malicious activities.
Monitor for unusual network behavior that may indicate an attack.
Consider using mobile security solutions to enhance device protection.

Patching and Updates

Ensure timely installation of security patches and updates to protect against known vulnerabilities.