CVE-2019-12834 : Exploit Details and Defense Strategies

HT2 Labs Learning Locker 3.15.1 is vulnerable to an exploit that allows the injection of harmful HTML and JavaScript code into the website's DOM through the dashboards/ URI using PATH_INFO.

Understanding CVE-2019-12834

This CVE involves a vulnerability in HT2 Labs Learning Locker 3.15.1 that enables attackers to insert malicious code into the website's DOM.

What is CVE-2019-12834?

In HT2 Labs Learning Locker 3.15.1, attackers can exploit the dashboards/ URI to inject harmful HTML and JavaScript code into the website's DOM via PATH_INFO.

The Impact of CVE-2019-12834

The vulnerability has a CVSS base score of 7.3, indicating a high severity level. It can lead to the compromise of website integrity with low confidentiality and availability impacts.

Technical Details of CVE-2019-12834

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The vulnerability in HT2 Labs Learning Locker 3.15.1 allows attackers to insert harmful HTML and JavaScript code into the website's DOM through the dashboards/ URI using PATH_INFO.

Affected Systems and Versions

Product: HT2 Labs Learning Locker 3.15.1
Vendor: HT2 Labs
Version: All versions are affected

Exploitation Mechanism

Attackers exploit the PATH_INFO parameter in the dashboards/ URI to inject malicious HTML and JavaScript code into the website's DOM.

Mitigation and Prevention

Protecting systems from CVE-2019-12834 is crucial to maintaining security.

Immediate Steps to Take

Update HT2 Labs Learning Locker to a patched version that addresses the vulnerability.
Implement input validation mechanisms to prevent malicious code injection.

Long-Term Security Practices

Regularly monitor and audit web application code for vulnerabilities.
Educate developers on secure coding practices to prevent similar exploits.

Patching and Updates

Apply security patches promptly to mitigate the risk of exploitation and ensure system integrity.