CVE-2022-31795 : What You Need to Know
Discover the impact of CVE-2022-31795 on Fujitsu ETERNUS CentricStor CS8000 devices. Learn about the injection flaw and how to mitigate the risks effectively.
An issue was discovered on Fujitsu ETERNUS CentricStor CS8000 (Control Center) devices before 8.1A SP02 P04 where an attacker can inject special characters to execute arbitrary commands.
Understanding CVE-2022-31795
This CVE identifies a vulnerability in the grel_finfo function in grel.php on Fujitsu ETERNUS CentricStor CS8000 (Control Center) devices.
What is CVE-2022-31795?
The vulnerability allows an attacker to manipulate certain parameters and inject special characters to execute unauthorized commands on the affected device.
The Impact of CVE-2022-31795
The vulnerability could be exploited by malicious actors to gain unauthorized access and control over the affected devices.
Technical Details of CVE-2022-31795
This section provides further technical insights into the vulnerability.
Vulnerability Description
The issue is located in the grel_finfo function in grel.php, enabling attackers to influence the username, password, and file-name parameters.
Affected Systems and Versions
Fujitsu ETERNUS CentricStor CS8000 (Control Center) devices before version 8.1A SP02 P04 are affected by this vulnerability.
Exploitation Mechanism
Attackers can inject special characters like semicolons, backticks, or command-substitution sequences to trigger the execution of arbitrary commands within the application environment.
Mitigation and Prevention
It is crucial to take immediate steps to mitigate the risks posed by CVE-2022-31795 and implement long-term security practices.
Immediate Steps to Take
Organizations should restrict access to vulnerable devices, monitor for any suspicious activities, and apply security patches promptly.
Long-Term Security Practices
Implementing network segmentation, regular security audits, and employee cybersecurity training can enhance the overall security posture.
Patching and Updates
Ensure that the affected Fujitsu ETERNUS CentricStor CS8000 (Control Center) devices are updated to version 8.1A SP02 P04 or later to address the vulnerability.