CVE-2019-10221 Explained : Impact and Mitigation

A Reflected Cross Site Scripting vulnerability exists in all versions of pki-core 10.x.x, specifically in the pki-ca module. This vulnerability allows attackers to execute arbitrary code by manipulating GET URL parameters.

Understanding CVE-2019-10221

This CVE involves a security issue in the pki-core server that can be exploited through a crafted link to execute unauthorized code.

What is CVE-2019-10221?

The vulnerability in pki-core 10.x.x versions allows attackers to perform Reflected Cross Site Scripting attacks by tricking authenticated users into clicking malicious links.

The Impact of CVE-2019-10221

The presence of this vulnerability can lead to the execution of arbitrary code within a user's browser, potentially compromising the security and integrity of the system.

Technical Details of CVE-2019-10221

This section provides a deeper insight into the technical aspects of the CVE.

Vulnerability Description

The vulnerability arises from the lack of proper sanitization of GET URL parameters in the pki-ca module of the pki-core server, enabling attackers to inject and execute arbitrary code.

Affected Systems and Versions

Product: pki-core
Vendor: [UNKNOWN]
Versions: All pki-core 10.x.x versions

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Privileges Required: None
User Interaction: Required
Scope: Unchanged
Confidentiality Impact: Low
Integrity Impact: None
Availability Impact: None

Mitigation and Prevention

Protecting systems from CVE-2019-10221 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply security patches provided by the vendor promptly.
Educate users about the risks of clicking on unknown or suspicious links.
Monitor network traffic for any signs of exploitation.

Long-Term Security Practices

Implement input validation mechanisms to sanitize user inputs effectively.
Conduct regular security audits and penetration testing to identify and address vulnerabilities proactively.
Stay informed about security updates and best practices in web application security.
Consider implementing Content Security Policy (CSP) to mitigate XSS attacks.

Patching and Updates

Regularly check for security updates and patches released by the vendor to address the vulnerability effectively.