CVE-2021-41789 : Exploit Details and Defense Strategies
Discover the impact of CVE-2021-41789, a vulnerability in the wifi driver causing system crashes and enabling denial of service attacks by unauthorized proximal attackers. Learn mitigation steps!
In wifi driver, there is a possible system crash due to a missing validation check. This could lead to remote denial of service from a proximal attacker with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: GN20190426015; Issue ID: GN20190426015.
Understanding CVE-2021-41789
This CVE identifies a vulnerability in the wifi driver that could result in a system crash and facilitate a denial of service attack by a proximal unauthorized attacker.
What is CVE-2021-41789?
The vulnerability in the wifi driver could be exploited by a proximal attacker to cause a system crash and subsequently launch a denial of service attack without requiring any additional execution privileges.
The Impact of CVE-2021-41789
The exploitation of this vulnerability could result in a remote denial of service attack without the need for user interaction, posing a significant threat to affected systems.
Technical Details of CVE-2021-41789
This section provides specific technical details about the vulnerability.
Vulnerability Description
The vulnerability arises due to a missing validation check in the wifi driver, making it susceptible to system crashes and remote denial of service attacks.
Affected Systems and Versions
- Affected Systems: Not applicable
- Affected Versions: Not applicable
Exploitation Mechanism
The vulnerability could be exploited by a proximal attacker to trigger a system crash and subsequently launch a denial of service attack without requiring additional execution privileges.
Mitigation and Prevention
Protective measures to address the CVE-2021-41789 vulnerability.
Immediate Steps to Take
- Apply the provided patch ID: GN20190426015 to mitigate the vulnerability.
- Stay vigilant for any unusual system crashes or denial of service activities.
Long-Term Security Practices
- Regularly update and patch system drivers to prevent vulnerabilities.
- Implement network security measures to detect and prevent unauthorized access.
- Conduct regular security audits to identify and address potential vulnerabilities.
- Educate users on safe online practices to reduce the risk of exploitation.
Patching and Updates
Ensure timely patching and updates for system drivers and software components to address known vulnerabilities.