CVE-2018-0384 : Exploit Details and Defense Strategies

Cisco FireSIGHT System Software has a vulnerability that allows remote attackers to bypass URL-based access control policies. Learn about the impact, technical details, and mitigation steps.

Understanding CVE-2018-0384

Cisco FireSIGHT System Software vulnerability allows attackers to circumvent access control policies, potentially leading to unauthorized access.

What is CVE-2018-0384?

The weakness in Cisco FireSIGHT System Software's detection mechanism enables remote attackers to bypass URL-based access control policies without authentication.

The Impact of CVE-2018-0384

Attackers can exploit TCP packet mishandling to bypass access control policies, potentially gaining unauthorized access.

Technical Details of CVE-2018-0384

This section provides insights into the vulnerability's description, affected systems, and exploitation mechanism.

Vulnerability Description

Incorrect handling of TCP packets arriving out of sequence during TCP SYN retransmission initiation.
Attackers can send specially crafted connections through affected devices to exploit the vulnerability.

Affected Systems and Versions

Product: Cisco FireSIGHT unknown
Version: Cisco FireSIGHT unknown

Exploitation Mechanism

Attackers exploit TCP packet mishandling to bypass URL-based access control policies.

Mitigation and Prevention

Protect your systems from CVE-2018-0384 with immediate and long-term security measures.

Immediate Steps to Take

Apply vendor-recommended patches promptly.
Monitor network traffic for any suspicious activities.
Implement firewall rules to restrict unauthorized access.

Long-Term Security Practices

Regularly update and patch software to address vulnerabilities.
Conduct security audits and penetration testing to identify weaknesses.

Patching and Updates

Stay informed about security advisories and updates from Cisco.