CVE-2019-17204 : Exploit Details and Defense Strategies

TeamPass version 2.1.27.36 is vulnerable to a Stored Cross-Site Scripting (XSS) attack when manipulating the Knowledge Base label.

Understanding CVE-2019-17204

An instance of TeamPass version 2.1.27.36 is susceptible to a Stored Cross-Site Scripting (XSS) attack when an attacker manipulates the Knowledge Base label in a specific way and proceeds to add an item that is already available.

What is CVE-2019-17204?

TeamPass 2.1.27.36 allows Stored XSS by setting a crafted Knowledge Base label and adding any available item.

The Impact of CVE-2019-17204

Attackers can execute malicious scripts in the context of a user's session, leading to unauthorized actions.
Sensitive data may be compromised, affecting confidentiality and integrity.

Technical Details of CVE-2019-17204

TeamPass version 2.1.27.36 is vulnerable to Stored XSS.

Vulnerability Description

The vulnerability arises from improper validation of user-supplied input in the Knowledge Base label, enabling attackers to inject malicious scripts.

Affected Systems and Versions

Affected Version: 2.1.27.36
Other versions may also be impacted if they exhibit similar code logic.

Exploitation Mechanism

Attackers manipulate the Knowledge Base label to inject malicious scripts, which are then executed when adding an item.

Mitigation and Prevention

It is crucial to take immediate steps to mitigate the risk and implement long-term security practices.

Immediate Steps to Take

Disable or restrict access to the affected feature in TeamPass.
Regularly monitor and review user inputs for any suspicious content.

Long-Term Security Practices

Conduct security training for developers on secure coding practices.
Implement input validation and output encoding to prevent XSS vulnerabilities.

Patching and Updates

Apply patches or updates provided by TeamPass to address the XSS vulnerability and enhance security measures.