CVE-2013-2633: Piwik (Matomo) POST Request Vulnerability Exposes Sensitive Information
Summary
CVE-2013-2633: Piwik (now Matomo) Reveals Sensitive Information by Accepting Input from POST Requests. Affects matomo/matomo versions < 1.11. Fixed in 1.11. How to fix ↓
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Background
Piwik, now known as Matomo, is an open-source web analytics platform that provides detailed reports on website visitors, including the pages they visit, the time spent on each page, and the actions they take. It is widely used for tracking and analyzing web traffic. The vulnerability in question arises from the way Piwik handles input from POST requests, which can lead to the exposure of sensitive information.
Vulnerability Detail
The vulnerability, identified as CVE-2013-2633, exists in Piwik versions prior to 1.11. It allows attackers to exploit the logging of parameters from POST requests, potentially revealing sensitive information. This occurs because the application accepts input from POST requests in unspecified circumstances, which can be leveraged by malicious actors to gain unauthorized access to sensitive data.
How To Fix
Minimum fixed version
1.11
This is the first release that contains the fix.
composer require matomo/matomo:1.11Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a temporary workaround, you can restrict access to sensitive endpoints that accept POST requests until you can update to the patched version. Additionally, consider implementing input validation and sanitization to mitigate the risk of sensitive data exposure.
Conclusion
The CVE-2013-2633 vulnerability in Piwik (Matomo) poses a risk of sensitive information exposure due to improper handling of POST requests. It is crucial to update to version 1.11 or later to mitigate this risk. Implementing workarounds and using tools like Vulert can help in monitoring and managing vulnerabilities effectively.
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FAQ
CVE-2013-2633 is a vulnerability in Piwik (Matomo) that allows sensitive information to be exposed through improperly handled POST requests.
Versions of Piwik prior to 1.11 are affected by this vulnerability.
You can use Vulert's playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
If you cannot update immediately, consider restricting access to sensitive endpoints and implementing input validation as a temporary measure.
Vulert is a tool that monitors and alerts in real-time for open-source vulnerabilities in software using just the composer.lock file, without requiring access to the code or installation.
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