CVE-2019-15126 Explained : Impact and Mitigation
Learn about CVE-2019-15126 affecting Broadcom Wi-Fi client devices. Discover the impact, technical details, affected systems, exploitation, and mitigation steps to secure your network.
A problem has been identified on Broadcom Wi-Fi client devices where specific traffic can cause internal errors, affecting WLAN device state transitions and leading to potential information disclosure.
Understanding CVE-2019-15126
This CVE highlights a vulnerability in Broadcom Wi-Fi client devices that can be exploited to trigger internal errors and potentially disclose information over the air.
What is CVE-2019-15126?
- The vulnerability affects Broadcom Wi-Fi client devices
- It can be exploited by sending carefully crafted traffic
- Results in improper layer 2 Wi-Fi encryption and potential information disclosure
The Impact of CVE-2019-15126
- Allows attackers to potentially access and disclose sensitive information over the air
- Can lead to security breaches and privacy violations
Technical Details of CVE-2019-15126
This section provides detailed technical insights into the vulnerability.
Vulnerability Description
- Specifically timed and handcrafted traffic can cause internal errors in Broadcom Wi-Fi client devices
- Errors affect WLAN device state transitions, leading to improper layer 2 Wi-Fi encryption
Affected Systems and Versions
- Broadcom Wi-Fi client devices are affected
- Specific versions susceptible to the vulnerability are not specified
Exploitation Mechanism
- Attackers send carefully crafted traffic to trigger internal errors in the WLAN device
- This manipulation leads to improper Wi-Fi encryption and potential information disclosure
Mitigation and Prevention
Protecting systems from CVE-2019-15126 is crucial to prevent potential data breaches.
Immediate Steps to Take
- Apply patches and updates provided by Broadcom or device manufacturers
- Monitor network traffic for any suspicious activity
- Implement strong encryption protocols and access controls
Long-Term Security Practices
- Regularly update Wi-Fi devices and firmware to the latest versions
- Conduct security audits and penetration testing to identify vulnerabilities
- Educate users on safe Wi-Fi practices and awareness of potential threats
Patching and Updates
- Stay informed about security advisories from Broadcom and related vendors
- Apply patches promptly to address known vulnerabilities and enhance system security