CVE-2021-42773 : Security Advisory and Response

Broadcom Emulex HBA Manager/One Command Manager versions before 11.4.425.0 and 12.8.542.31 could allow unauthorized retrieval of files from remote hosts.

Understanding CVE-2021-42773

This vulnerability in Broadcom Emulex HBA Manager/One Command Manager poses a risk of unauthorized file retrieval from remote hosts if not in Strictly Local Management mode.

What is CVE-2021-42773?

The vulnerability allows unauthenticated users to retrieve arbitrary files from remote hosts using the GetDumpFile command when the software is not in secure mode.

The Impact of CVE-2021-42773

Unauthorized users can extract sensitive files from remote hosts without authentication, potentially leading to data breaches and unauthorized access.

Technical Details of CVE-2021-42773

This section provides technical insights into the vulnerability.

Vulnerability Description

Broadcom Emulex HBA Manager/One Command Manager versions before 11.4.425.0 and 12.8.542.31 are susceptible to unauthorized file retrieval from remote hosts.

Affected Systems and Versions

Products: Not applicable
Vendor: Not applicable
Versions: Versions before 11.4.425.0 and 12.8.542.31

Exploitation Mechanism

The vulnerability can be exploited by leveraging the GetDumpFile command to access files from remote hosts when the software is not in Strictly Local Management mode.

Mitigation and Prevention

Protecting systems from the CVE-2021-42773 vulnerability is crucial.

Immediate Steps to Take

Update to versions 11.4.425.0 and 12.8.542.31 or later to mitigate the vulnerability.
Ensure that the software is in Strictly Local Management mode to prevent unauthorized file access.

Long-Term Security Practices

Regularly monitor and audit file access permissions within the software.
Implement strong authentication mechanisms to control access to sensitive files.

Patching and Updates

Apply security patches promptly to address vulnerabilities and enhance the overall security posture of the software.