CVE-2019-11233 : Security Advisory and Response

This CVE-2019-11233 article provides insights into a vulnerability in EXCELLENT INFOTEK BiYan versions 1.57 to 2.8 that allows unauthorized access to user information.

Understanding CVE-2019-11233

What is CVE-2019-11233?

An attacker can exploit a vulnerability in EXCELLENT INFOTEK BiYan versions 1.57 to 2.8 to access user information without requiring authentication by sending a specific element to a URI.

The Impact of CVE-2019-11233

The flaw enables attackers to read user information without proper authentication, potentially leading to unauthorized access to sensitive data.

Technical Details of CVE-2019-11233

Vulnerability Description

The vulnerability in EXCELLENT INFOTEK BiYan versions 1.57 to 2.8 allows attackers to access user information without authentication by manipulating specific fields.

Affected Systems and Versions

Product: EXCELLENT INFOTEK BiYan
Versions: 1.57 to 2.8

Exploitation Mechanism

Attackers can exploit this vulnerability by sending a LOGIN_ID element to the URI 'auth/main/asp/check_user_login_info.aspx' and reading the response, demonstrated through the KW_EMAIL or KW_TEL field.

Mitigation and Prevention

Immediate Steps to Take

Implement access controls and authentication mechanisms to restrict unauthorized access.
Regularly monitor and audit user activities to detect any suspicious behavior.

Long-Term Security Practices

Conduct regular security training for users to raise awareness of potential threats.
Keep systems and software up to date with the latest security patches.
Employ intrusion detection systems to identify and respond to unauthorized access attempts.
Consider implementing multi-factor authentication for an added layer of security.

Patching and Updates

Apply patches and updates provided by EXCELLENT INFOTEK BiYan promptly to address this vulnerability.