CVE-2018-14526 Explained : Impact and Mitigation

A vulnerability was found in the file rsn_supp/wpa.c in versions 2.0 through 2.6 of the wpa_supplicant software. This CVE-2018-14526 article provides insights into the vulnerability, its impact, technical details, and mitigation steps.

Understanding CVE-2018-14526

This section delves into the specifics of the CVE-2018-14526 vulnerability.

What is CVE-2018-14526?

CVE-2018-14526 is a vulnerability in the wpa_supplicant software versions 2.0 through 2.6. It occurs due to the software's failure to verify the integrity of EAPOL-Key messages, potentially leading to a decryption oracle.

The Impact of CVE-2018-14526

Exploitation of this vulnerability can allow an attacker within proximity of both the Access Point and the client to retrieve sensitive data.

Technical Details of CVE-2018-14526

This section provides a detailed overview of the technical aspects of CVE-2018-14526.

Vulnerability Description

The vulnerability in rsn_supp/wpa.c in wpa_supplicant 2.0 through 2.6 allows attackers to exploit the lack of integrity verification in EAPOL-Key messages, resulting in a decryption oracle.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions affected: 2.0 through 2.6

Exploitation Mechanism

The vulnerability can be exploited by an adversary within range of the Access Point and client, enabling them to recover sensitive information.

Mitigation and Prevention

Learn how to mitigate the risks associated with CVE-2018-14526.

Immediate Steps to Take

Update the wpa_supplicant software to a patched version.
Monitor network traffic for any suspicious activity.
Implement network segmentation to limit the impact of potential attacks.

Long-Term Security Practices

Regularly update software and firmware to address security vulnerabilities.
Conduct security training for employees to raise awareness of potential threats.
Employ encryption and authentication mechanisms to secure network communications.

Patching and Updates

Ensure timely installation of security patches and updates to prevent exploitation of known vulnerabilities.