Cross-Site Scripting (XSS) Vulnerability in phpMyAdmin: Risk of Arbitrary Script Injection
Summary
CVE-2009-3696: Cross-site scripting (XSS) vulnerability in phpMyAdmin 2.11.x before 2.11.9.6 and 3.x before 3.2.2.1 allows remote attackers to inject arbitrary web script or HTML via a crafted name for a MySQL table. Affects phpmyadmin versions < 4:3.2.2.1-1. Fixed in 4:3.2.2.1-1. How to fix ↓
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Background
phpMyAdmin is a widely used open-source tool for managing MySQL databases through a web interface. It provides a user-friendly way to interact with databases, allowing users to perform various operations such as creating, modifying, and deleting databases and tables. However, versions 2.11.x before 2.11.9.6 and 3.x before 3.2.2.1 are vulnerable to a cross-site scripting (XSS) issue, which can lead to security breaches if exploited.
Vulnerability Detail
The vulnerability arises from improper handling of user input in phpMyAdmin, specifically when naming MySQL tables. Attackers can craft malicious table names that inject arbitrary web scripts or HTML into the application. This can lead to unauthorized actions being performed on behalf of users, data theft, or redirection to malicious sites. The vulnerability affects multiple Debian ecosystems, including versions 11, 12, and 13.
How To Fix
Minimum fixed version
4:3.2.2.1-1
This is the first release that contains the fix.
sudo apt-get install --only-upgrade phpmyadminTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a temporary measure, users can sanitize input when naming MySQL tables to prevent the injection of malicious scripts. This can be done by implementing input validation checks to ensure that only safe characters are allowed in table names.
Conclusion
The CVE-2009-3696 vulnerability in phpMyAdmin poses significant risks due to its potential for cross-site scripting attacks. Users are strongly advised to upgrade to the latest version to mitigate these risks. Implementing input validation can serve as a temporary workaround, but upgrading remains the best practice for securing your application.
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FAQ
The impact includes the potential for attackers to execute arbitrary scripts in the context of the user's browser, leading to data theft and unauthorized actions.
You can check your phpMyAdmin version and compare it against the vulnerable versions listed. Additionally, you can use tools like Vulert to monitor for vulnerabilities.
Yes, you can implement input validation to sanitize table names, but upgrading is the most effective solution.
Regularly update phpMyAdmin, use strong passwords, restrict access to trusted IPs, and implement HTTPS to secure data transmission.
Detailed information can be found in the CVE database and on security advisory sites. You can also refer to the official phpMyAdmin documentation.
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