CVE-2020-26145 : What You Need to Know

An issue was discovered on Samsung Galaxy S3 i9305 4.4.4 devices where certain Wi-Fi security implementations are vulnerable to packet injection attacks.

Understanding CVE-2020-26145

This CVE identifies a security vulnerability in the Wi-Fi security protocols of Samsung Galaxy S3 i9305 4.4.4 devices.

What is CVE-2020-26145?

The vulnerability allows an attacker to inject arbitrary network packets, bypassing network security configurations.

The Impact of CVE-2020-26145

The vulnerability enables malicious actors to manipulate network traffic, potentially leading to unauthorized access or data interception.

Technical Details of CVE-2020-26145

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The WEP, WPA, WPA2, and WPA3 implementations on Samsung Galaxy S3 i9305 4.4.4 devices accept broadcast fragments as full unfragmented frames, allowing attackers to inject arbitrary network packets.

Affected Systems and Versions

Product: Samsung Galaxy S3 i9305 4.4.4
Vendor: Samsung
Versions: All versions are affected

Exploitation Mechanism

Attackers can exploit the vulnerability by sending second or subsequent broadcast fragments in plaintext, which are processed as full unfragmented frames.

Mitigation and Prevention

Protecting systems from CVE-2020-26145 requires immediate actions and long-term security practices.

Immediate Steps to Take

Disable Wi-Fi on affected devices if not needed
Implement network segmentation to limit the impact of potential attacks
Monitor network traffic for any suspicious activities

Long-Term Security Practices

Regularly update device firmware to patch known vulnerabilities
Use strong encryption protocols and secure Wi-Fi configurations
Conduct security audits and penetration testing to identify and address weaknesses

Patching and Updates

Apply security patches provided by Samsung to address the vulnerability
Stay informed about security advisories and updates from the vendor