CVE-2020-27688 : Security Advisory and Response
Learn about CVE-2020-27688 affecting RVTools 4.0.6. Understand the vulnerability, its impact, affected systems, exploitation mechanism, and mitigation steps to secure systems.
RVToolsPasswordEncryption.exe in RVTools 4.0.6 allows unauthorized decryption of encrypted passwords, posing a security risk to vSphere instances.
Understanding CVE-2020-27688
RVToolsPasswordEncryption.exe vulnerability in RVTools 4.0.6
What is CVE-2020-27688?
RVToolsPasswordEncryption.exe in RVTools 4.0.6 allows users to encrypt passwords for configuration files. However, the encryption method uses a static IV and key, enabling unauthorized decryption of passwords.
The Impact of CVE-2020-27688
- Unauthorized access to encrypted passwords
- Risk of exposure of sensitive information
- Compromised security of vSphere instances
Technical Details of CVE-2020-27688
RVToolsPasswordEncryption.exe vulnerability details
Vulnerability Description
The flaw allows decryption of encrypted passwords using the Decrypt() method from VISKD.cs in the RVTools.exe executable.
Affected Systems and Versions
- RVTools 4.0.6
Exploitation Mechanism
Unauthorized users can exploit the static IV and key to decrypt encrypted passwords.
Mitigation and Prevention
Protecting systems from CVE-2020-27688
Immediate Steps to Take
- Avoid storing sensitive passwords in configuration files
- Implement strong encryption methods
- Monitor and restrict access to RVToolsPasswordEncryption.exe
Long-Term Security Practices
- Regularly update RVTools to the latest version
- Conduct security audits to identify vulnerabilities
Patching and Updates
Apply patches and updates provided by RVTools to address the encryption vulnerability.