CVE-2023-39903 : Security Advisory and Response

An issue was discovered in Fujitsu Software Infrastructure Manager (ISM) before version 2.8.0.061. The vulnerability allows insecure collection and storage of authorization credentials in cleartext. A privileged attacker could potentially gather maintenance data, posing a risk to system security.

Understanding CVE-2023-39903

This CVE involves an insecure storage of credentials within the ismsnap component of Fujitsu ISM, allowing privileged attackers to access sensitive data.

What is CVE-2023-39903?

The vulnerability in Fujitsu Software Infrastructure Manager (ISM) allows for the insecure collection and storage of authorization credentials, making it possible for attackers to access sensitive maintenance data.

The Impact of CVE-2023-39903

The vulnerability could lead to unauthorized access and exposure of sensitive data, potentially compromising the security and integrity of systems utilizing Fujitsu ISM.

Technical Details of CVE-2023-39903

The following details provide insight into the vulnerability and its implications:

Vulnerability Description

The issue allows for the insecure collection and storage of authorization credentials, specifically occurring during ISM Firmware Repository Address setup tests or regular authorizations against configured remote firmware repository sites.

Affected Systems and Versions

Vendor and product information are not available, but versions prior to 2.8.0.061 of Fujitsu ISM are impacted by this vulnerability.

Exploitation Mechanism

An attacker with low privileges can exploit the vulnerability by utilizing the ismsnap component to access authorization credentials stored in cleartext.

Mitigation and Prevention

Taking immediate steps to address the vulnerability is crucial to enhancing system security and preventing potential exploits.

Immediate Steps to Take

Update Fujitsu ISM to version 2.8.0.061 or later to mitigate the vulnerability.
Implement secure credential storage practices within the ISM environment.

Long-Term Security Practices

Regularly monitor and audit authorization credential storage mechanisms to ensure data security.
Conduct security awareness training to educate users on best practices for securing sensitive information.

Patching and Updates

Stay informed about security advisories from Fujitsu and promptly apply patches and updates to address known vulnerabilities within the ISM environment.