CVE-2022-30320 : What You Need to Know

This article provides an overview of CVE-2022-30320, a vulnerability found in Saia Burgess Controls (SBC) PCD controllers related to a weak credential hashing scheme issue.

Understanding CVE-2022-30320

CVE-2022-30320 highlights a security flaw in Saia Burgess Controls (SBC) PCD controllers related to an insecure hashing algorithm used for authentication bypass.

What is CVE-2022-30320?

The vulnerability involves the utilization of a Broken or Risky Cryptographic Algorithm within the S-Bus protocol for authentication, potentially exposing sensitive engineering functionality to unauthorized access.

The Impact of CVE-2022-30320

The impact of CVE-2022-30320 is significant as it allows an attacker to intercept hashed credentials, find collisions, and gain unauthorized access to control logic and controller configuration.

Technical Details of CVE-2022-30320

CVE-2022-30320 is characterized by its vulnerability description, affected systems and versions, and exploitation mechanism.

Vulnerability Description

Saia Burgess Controls (SBC) PCD through 2022-05-06 suffers from an insecure hashing algorithm based on CRC-16, enabling authentication bypass through intercepted hashed credentials.

Affected Systems and Versions

The vulnerability affects Saia Burgess Controls (SBC) PCD controllers utilizing the S-Bus protocol (5050/UDP) for authentication.

Exploitation Mechanism

By intercepting hashed credentials and finding collisions due to the weak hashing algorithm, an attacker can bypass authentication and access sensitive engineering functions.

Mitigation and Prevention

To prevent exploitation of CVE-2022-30320, immediate steps, long-term security practices, and the importance of patching and updates should be considered.

Immediate Steps to Take

Immediately updating the hashing algorithm, implementing strong password policies, and monitoring S-Bus communication can mitigate the risk of exploitation.

Long-Term Security Practices

Establishing a robust cybersecurity framework, conducting regular security assessments, and maintaining updated cryptographic practices can enhance long-term security.

Patching and Updates

Regularly monitoring for security patches from Saia Burgess Controls and applying updates promptly to address vulnerabilities and enhance system security.