CVE-2021-42811 Explained : Impact and Mitigation

SafeNet KeySecure by Thales DIS has a 'Path Traversal' vulnerability allowing authenticated users to read arbitrary files. Update to version 8.12.5 or later.

Understanding CVE-2021-42811

SafeNet KeySecure contains a critical vulnerability that enables authenticated users to access arbitrary files on the system.

What is CVE-2021-42811?

CVE-2021-42811 is an 'Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')' vulnerability in SafeNet KeySecure.

The Impact of CVE-2021-42811

CVSS Base Score: 3.3 (Low)
Attack Vector: Local
Confidentiality Impact: Low
Integrity Impact: None
Privileges Required: Low
This vulnerability could be exploited by an authenticated user to read sensitive files.

Technical Details of CVE-2021-42811

SafeNet KeySecure's vulnerability details and affected systems.

Vulnerability Description

The flaw allows users to read arbitrary files from the deployed system through an improper limitation of directory pathnames.

Affected Systems and Versions

Affected Product: SafeNet KeySecure
Vendor: Thales DIS
Vulnerable Versions: Up to and including 8.12.4

Exploitation Mechanism

An authenticated user can exploit the vulnerability by traversing directory paths to access unauthorized files.

Mitigation and Prevention

Steps to mitigate and prevent exploitation of CVE-2021-42811.

Immediate Steps to Take

Update: Upgrade SafeNet KeySecure to version 8.12.5 or later.

Long-Term Security Practices

Implement access controls to restrict file access.
Regularly review and update security configurations.

Patching and Updates

Timely patch application is essential to prevent security breaches.