The Vigil@nce team watches public vulnerabilities impacting your computers, and then offers security solutions, a vigilance database and tools to fix them.

Vulnerability of Brocade Fabric OS: Man-in-the-Middle via Small SSH Key Length

Synthesis of the vulnerability 

An attacker can act as a Man-in-the-Middle via Small SSH Key Length on Brocade Fabric OS, in order to read or write data in the session.
Vulnerable systems: FabricOS, Connectrix Switch, HP Switch.
Severity of this threat: 2/4.
Creation date: 15/02/2021.
Références of this weakness: BSA-2021-1291, CVE-2020-15387, DSA-2021-101, HPESBST04135, VIGILANCE-VUL-34586.

Description of the vulnerability 

An attacker can act as a Man-in-the-Middle via Small SSH Key Length on Brocade Fabric OS, in order to read or write data in the session.
Full bulletin, software filtering, emails, fixes, ... (Request your free trial)

This computer weakness bulletin impacts software or systems such as FabricOS, Connectrix Switch, HP Switch.

Our Vigil@nce team determined that the severity of this computer threat announce is medium.

The trust level is of type confirmed by the editor, with an origin of internet server.

An attacker with a expert ability can exploit this threat announce.

Solutions for this threat 

Brocade Fabric OS: solution for Small SSH Key Length.
The solution is indicated in information sources.

Dell EMC Connectrix B-Series: patch for SANnav.
A patch is available:
  https://dl.dell.com/downloads/DL103621_Connectrix-SANnav-2.1.1-Management-Portal.tgz

HPE SANnav Management Portal: version 2.1.1.
The version 2.1.1 is fixed:
  https://support.hpe.com/
Full bulletin, software filtering, emails, fixes, ... (Request your free trial)

Computer vulnerabilities tracking service 

Vigil@nce provides cybersecurity analysis. The Vigil@nce team tracks computer vulnerabilities impacting systems and applications.