CVE-2020-22658 : Security Advisory and Response

CVE-2020-22658 is a vulnerability found in various Ruckus networking devices and software versions that could allow attackers to switch to an unauthorized image to be booted as the primary verified image.

Understanding CVE-2020-22658

This CVE identifies a security issue in Ruckus networking products that could lead to unauthorized image booting.

What is CVE-2020-22658?

The vulnerability in Ruckus devices allows attackers to switch to an unauthorized image to be booted as the primary verified image, potentially leading to unauthorized access and control.

The Impact of CVE-2020-22658

This vulnerability could result in unauthorized parties gaining control over affected Ruckus networking devices, compromising network security and integrity.

Technical Details of CVE-2020-22658

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability allows attackers to switch to an unauthorized image to be booted as the primary verified image on affected Ruckus devices.

Affected Systems and Versions

Ruckus R310 10.5.1.0.199
Ruckus R500 10.5.1.0.199
Ruckus R600 10.5.1.0.199
Ruckus T300 10.5.1.0.199
Ruckus T301n 10.5.1.0.199
Ruckus T301s 10.5.1.0.199
SmartCell Gateway 200 (SCG200) before 3.6.2.0.795
SmartZone 100 (SZ-100) before 3.6.2.0.795
SmartZone 300 (SZ300) before 3.6.2.0.795
Virtual SmartZone (vSZ) before 3.6.2.0.795
ZoneDirector 1100 9.10.2.0.130
ZoneDirector 1200 10.2.1.0.218
ZoneDirector 3000 10.2.1.0.218
ZoneDirector 5000 10.0.1.0.151

Exploitation Mechanism

Attackers can exploit this vulnerability to manipulate the boot process of the affected Ruckus devices, allowing them to load unauthorized images as the primary boot image.

Mitigation and Prevention

Protecting systems from CVE-2020-22658 is crucial to maintaining network security.

Immediate Steps to Take

Apply patches and updates provided by Ruckus to address this vulnerability.
Monitor network traffic for any suspicious activity that may indicate exploitation of this vulnerability.

Long-Term Security Practices

Regularly update and patch all networking devices to prevent known vulnerabilities.
Implement network segmentation and access controls to limit the impact of potential security breaches.

Patching and Updates

Ensure that all affected Ruckus devices are updated to versions that contain fixes for CVE-2020-22658 to mitigate the risk of exploitation.