CVE-2019-3846 Explained : Impact and Mitigation
Learn about CVE-2019-3846, a high-severity vulnerability in the mwifiex kernel module allowing attackers to manipulate memory and gain elevated privileges. Find mitigation steps and patching details here.
The mwifiex kernel module had a vulnerability that could be exploited by an attacker to manipulate memory and potentially gain elevated privileges when connecting to a harmful wireless network.
Understanding CVE-2019-3846
This CVE record details a vulnerability in the mwifiex kernel module that poses a significant risk to affected systems.
What is CVE-2019-3846?
CVE-2019-3846 is a vulnerability in the mwifiex kernel module that allows attackers to manipulate memory and potentially achieve elevated privileges by exploiting the flaw during connection to a malicious wireless network.
The Impact of CVE-2019-3846
The vulnerability has a CVSS v3.0 base score of 8, indicating a high severity level. Its impact includes high confidentiality, integrity, and availability impacts, with low attack complexity and user interaction required.
Technical Details of CVE-2019-3846
This section provides in-depth technical information about the CVE-2019-3846 vulnerability.
Vulnerability Description
The vulnerability in the mwifiex kernel module allows attackers to manipulate memory, potentially leading to elevated privileges when connecting to a harmful wireless network.
Affected Systems and Versions
- Affected Product: kernel
- Vendor: n/a
- Affected Version: n/a
Exploitation Mechanism
The vulnerability can be exploited by attackers when connecting to a malicious wireless network, enabling them to manipulate memory and potentially gain elevated privileges.
Mitigation and Prevention
Protecting systems from CVE-2019-3846 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply patches provided by the vendor promptly.
- Monitor network traffic for any suspicious activity.
- Restrict network access to trusted devices.
Long-Term Security Practices
- Regularly update and patch all software and firmware.
- Conduct security audits and penetration testing regularly.
- Educate users about safe network practices and awareness of potential threats.
Patching and Updates
- Refer to vendor advisories for specific patching instructions and updates.