CVE-2019-5723 : Security Advisory and Response

A vulnerability has been found in Portier Vision versions 4.4.4.2 and 4.4.4.6 where passwords are stored using reversible encryption instead of hash values, making them easily decryptable due to the outdated Vigenere algorithm and weak encryption key.

Understanding CVE-2019-5723

This CVE entry highlights a cryptographic issue in Portier Vision versions 4.4.4.2 and 4.4.4.6.

What is CVE-2019-5723?

CVE-2019-5723 is a vulnerability in Portier Vision versions 4.4.4.2 and 4.4.4.6, allowing for easy decryption of stored passwords due to the use of reversible encryption and weak encryption practices.

The Impact of CVE-2019-5723

The vulnerability enables attackers to decrypt passwords stored by the application, compromising user credentials and potentially leading to unauthorized access.

Technical Details of CVE-2019-5723

This section delves into the technical aspects of the CVE.

Vulnerability Description

Passwords in affected versions are stored using reversible encryption with the outdated Vigenere algorithm and a static, short encryption key, facilitating easy decryption by malicious actors.

Affected Systems and Versions

Product: Portier Vision
Versions: 4.4.4.2 and 4.4.4.6
Status: Affected

Exploitation Mechanism

The vulnerability arises from the improper storage of passwords using reversible encryption and weak encryption practices, allowing attackers to decrypt passwords easily.

Mitigation and Prevention

Protecting systems from CVE-2019-5723 requires immediate actions and long-term security measures.

Immediate Steps to Take

Update Portier Vision to a patched version that addresses the encryption vulnerability.
Encourage users to change their passwords to mitigate potential risks.

Long-Term Security Practices

Implement strong encryption methods like hashing for password storage.
Regularly review and update encryption practices to align with industry standards.

Patching and Updates

Apply security patches provided by the vendor promptly to fix the encryption weakness and enhance system security.