CVE-2021-43106 Explained : Impact and Mitigation
Learn about CVE-2021-43106, a Header Injection vulnerability in Compass Plus TranzWare Online FIMI Web Interface allowing attackers to redirect users to malicious sites, posing significant security risks.
A Header Injection vulnerability exists in Compass Plus TranzWare Online FIMI Web Interface Tranzware Online (TWO) 5.3.33.3 F38 and FIMI 4.2.19.4 25. The HTTP host header can be manipulated, leading to potential security risks.
Understanding CVE-2021-43106
This CVE describes a vulnerability in Compass Plus TranzWare Online FIMI Web Interface that could be exploited by attackers.
What is CVE-2021-43106?
The vulnerability allows manipulation of the HTTP host header, enabling attackers to redirect users to malicious domains or web pages, potentially leading to further attacks and unauthorized actions.
The Impact of CVE-2021-43106
Exploitation of this vulnerability can result in unauthorized redirection of users to malicious websites, expanding the attack surface and posing significant security risks.
Technical Details of CVE-2021-43106
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The vulnerability arises from the server's implicit trust in the Host header and inadequate validation, allowing attackers to redirect users to malicious sites.
Affected Systems and Versions
- Compass Plus TranzWare Online FIMI Web Interface Tranzware Online (TWO) 5.3.33.3 F38
- FIMI 4.2.19.4 25
Exploitation Mechanism
Attackers can manipulate the HTTP host header to redirect users to malicious domains or web pages, potentially leading to further cyber attacks.
Mitigation and Prevention
Protect your systems from this vulnerability using the following steps:
Immediate Steps to Take
- Implement input validation to ensure the Host header is not manipulated.
- Regularly monitor network traffic for any suspicious redirections.
Long-Term Security Practices
- Conduct regular security assessments and penetration testing to identify and fix vulnerabilities.
- Train employees on cybersecurity best practices to prevent social engineering attacks.
Patching and Updates
- Apply security patches provided by Compass Plus to address this vulnerability promptly.