CVE-2020-11610 : What You Need to Know
Discover the vulnerability in xdLocalStorage through 2.0.5 where any domain can access messages from a 'magical iframe'. Learn about the impact, affected systems, exploitation, and mitigation steps.
An issue was discovered in xdLocalStorage through 2.0.5 where the postData() function in xdLocalStoragePostMessageApi.js specifies the wildcard (*) as the targetOrigin, allowing any domain to load the application hosting the 'magical iframe' and receive its messages.
Understanding CVE-2020-11610
This CVE identifies a vulnerability in xdLocalStorage that can be exploited by malicious actors to access messages from a 'magical iframe' hosted by an application.
What is CVE-2020-11610?
The vulnerability in xdLocalStorage through version 2.0.5 allows any domain to receive messages from the 'magical iframe' due to the postData() function specifying a wildcard (*) as the targetOrigin.
The Impact of CVE-2020-11610
This vulnerability could be exploited by attackers to intercept sensitive information sent via postMessage() from the 'magical iframe', potentially leading to data theft or unauthorized access.
Technical Details of CVE-2020-11610
The technical aspects of the vulnerability in xdLocalStorage through version 2.0.5.
Vulnerability Description
The postData() function in xdLocalStoragePostMessageApi.js uses a wildcard (*) as the targetOrigin, enabling any domain to access messages from the 'magical iframe'.
Affected Systems and Versions
- Product: xdLocalStorage
- Vendor: Not applicable
- Versions affected: 2.0.5
Exploitation Mechanism
Malicious actors can exploit this vulnerability by loading the application hosting the 'magical iframe' and intercepting messages sent by the 'magical iframe'.
Mitigation and Prevention
Steps to mitigate and prevent exploitation of CVE-2020-11610.
Immediate Steps to Take
- Update xdLocalStorage to a patched version that addresses the wildcard (*) targetOrigin issue.
- Implement strict message origin validation to prevent unauthorized access.
Long-Term Security Practices
- Regularly monitor and audit postMessage() implementations for security vulnerabilities.
- Educate developers on secure coding practices to prevent similar issues in the future.
Patching and Updates
- Stay informed about security updates for xdLocalStorage and promptly apply patches to address known vulnerabilities.