CVE-2023-31465 : What You Need to Know

A security vulnerability has been identified in FSMLabs TimeKeeper 8.0.17 through 8.0.28 that could allow attackers to execute arbitrary Bash code on the server. This CVE-2023-31465 poses a significant risk and requires immediate attention.

Understanding CVE-2023-31465

FSMLabs TimeKeeper version 8.0.17 through 8.0.28 is prone to a remote code execution vulnerability due to improper handling of query parameters in certain timekeeper streams.

What is CVE-2023-31465?

CVE-2023-31465 is a security flaw in FSMLabs TimeKeeper that enables threat actors to manipulate query parameters to inject and execute malicious Bash code on the targeted server.

The Impact of CVE-2023-31465

The exploitation of this vulnerability can lead to unauthorized remote code execution, potentially compromising the confidentiality, integrity, and availability of the affected server.

Technical Details of CVE-2023-31465

The following technical aspects provide insights into the nature of the vulnerability:

Vulnerability Description

The flaw allows an attacker to modify specific query parameters in the URL to insert Bash commands, which will be executed by the server.

Affected Systems and Versions

FSMLabs TimeKeeper versions 8.0.17 through 8.0.28 are affected by CVE-2023-31465. It is crucial for users of these versions to take immediate action to mitigate the risk.

Exploitation Mechanism

By intercepting requests from certain timekeeper streams and manipulating the query parameter arg[2] in the URL, threat actors can insert malicious Bash code for execution on the server.

Mitigation and Prevention

Addressing CVE-2023-31465 requires proactive security measures to prevent potential exploitation and safeguard the affected systems.

Immediate Steps to Take

Users should apply security patches or updates provided by FSMLabs promptly.
Implement network security controls to restrict unauthorized access to the server.

Long-Term Security Practices

Regularly monitor for unusual activities on the server to detect any potential exploitation attempts.
Conduct security audits and assessments to identify and remediate vulnerabilities proactively.

Patching and Updates

Stay informed about security advisories and updates released by FSMLabs to address CVE-2023-31465 and other known vulnerabilities in TimeKeeper.