CVE-2019-10771 Explained : Impact and Mitigation

This CVE-2019-10771 article provides insights into a vulnerability in iobroker.web that allows for potential Cross-site Scripting (XSS) attacks.

Understanding CVE-2019-10771

This CVE involves improper character escaping in the GET URL path, leading to the potential reflection of characters in the server response.

What is CVE-2019-10771?

The vulnerability in iobroker.web allows attackers to execute Cross-site Scripting (XSS) attacks by manipulating the URL path.

The Impact of CVE-2019-10771

The vulnerability enables malicious actors to inject and execute scripts in the context of an unsuspecting user's web browser, leading to various attacks such as data theft, session hijacking, and defacement.

Technical Details of CVE-2019-10771

This section delves into the specifics of the vulnerability.

Vulnerability Description

The issue arises from the lack of proper character escaping in the GET URL path, allowing attackers to inject malicious scripts.

Affected Systems and Versions

Product: iobroker.web
Vendor: n/a
Versions Affected: All versions prior to version 2.4.10

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting malicious URLs containing scripts that, when executed, can compromise user data and system integrity.

Mitigation and Prevention

Protecting systems from CVE-2019-10771 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update iobroker.web to version 2.4.10 or newer to mitigate the vulnerability.
Implement input validation mechanisms to sanitize user inputs and prevent script injection.

Long-Term Security Practices

Regularly monitor and audit web application code for security vulnerabilities.
Educate developers on secure coding practices to prevent similar issues in the future.

Patching and Updates

Stay informed about security updates and patches released by iobroker.web to address vulnerabilities promptly.