CVE-2020-15383 : Security Advisory and Response

This CVE involves a vulnerability in Brocade Fabric OS versions before v9.0.0, v8.2.2d, and v8.2.1e that can lead to denial of service impacts, potentially causing a switch panic.

Understanding CVE-2020-15383

Running security scans against the SAN switch can trigger memory consumption by specific processes within the firmware, resulting in denial of service scenarios.

What is CVE-2020-15383?

This CVE refers to a vulnerability in Brocade Fabric OS versions prior to v9.0.0, v8.2.2d, and v8.2.1e that can be exploited through security scans, leading to memory exhaustion and potential denial of service incidents.

The Impact of CVE-2020-15383

The vulnerability can cause the config and secnotify processes in the firmware to consume all memory, potentially resulting in denial of service impacts, including switch panics.

Technical Details of CVE-2020-15383

This section provides more in-depth technical insights into the vulnerability.

Vulnerability Description

The vulnerability in Brocade Fabric OS versions before v9.0.0, v8.2.2d, and v8.2.1e allows security scans to exhaust memory, leading to denial of service scenarios.

Affected Systems and Versions

Product: Brocade Fabric OS
Versions Affected: Brocade Fabric OS versions before v9.0.0, v8.2.2d, and v8.2.1e

Exploitation Mechanism

The vulnerability is exploited by running security scans against the SAN switch, triggering memory consumption by specific firmware processes.

Mitigation and Prevention

Protecting systems from CVE-2020-15383 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply patches or updates provided by Brocade to mitigate the vulnerability.
Monitor system resources to detect any abnormal memory consumption.

Long-Term Security Practices

Regularly update firmware and software to ensure the latest security patches are in place.
Implement network segmentation to limit the impact of potential vulnerabilities.

Patching and Updates

Brocade may release patches or updates to address the vulnerability. Stay informed about security advisories and apply relevant patches promptly.