Denial of Service Vulnerability in phpMyAdmin
Summary
CVE-2016-5706: js/get_scripts.js.php in phpMyAdmin 4.0.x before 4.0.10.16, 4.4.x before 4.4.15.7, and 4.6.x before 4.6.3 allows remote attackers to cause a denial of service via a large array in the scripts parameter. Affects phpmyadmin across 2 version ranges.
< 4:4.6.3-1
< 4767f24ea4c1e3822ce71a636c341e8ad8d07aa6
Fixed in 4:4.6.3-1. How to fix ↓
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Background
phpMyAdmin is a popular open-source tool for managing MySQL databases. It provides a web-based interface that allows users to perform various database management tasks. The vulnerability, identified as CVE-2016-5706, affects phpMyAdmin versions 4.0.x before 4.0.10.16, 4.4.x before 4.4.15.7, and 4.6.x before 4.6.3. It specifically impacts the 'get_scripts.js.php' script, which handles the 'scripts' parameter. This vulnerability can be exploited remotely by attackers to cause a denial of service (DoS) condition by sending a large array as the 'scripts' parameter.
Vulnerability Detail
The vulnerability in phpMyAdmin allows remote attackers to trigger a DoS attack by exploiting the 'get_scripts.js.php' script. By sending a large array as the 'scripts' parameter, the script fails to handle the input properly, leading to excessive resource consumption and ultimately causing the application to become unresponsive. This vulnerability poses a low-level threat, as it only results in a DoS condition and does not allow for arbitrary code execution or unauthorized access to sensitive information.
How To Fix
Minimum fixed version
4:4.6.3-1
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
There is no specific workaround provided for this vulnerability. However, users can mitigate the risk by implementing network-level protections, such as firewalls or rate limiting, to prevent excessive requests to the affected script. Additionally, monitoring the application for abnormal resource consumption can help identify and mitigate potential DoS attacks.
Conclusion
The vulnerability in phpMyAdmin allows remote attackers to cause a denial of service (DoS) condition by exploiting the 'get_scripts.js.php' script. To mitigate this vulnerability, it is crucial to update phpMyAdmin to version 4.6.3 or later. Implementing network-level protections and monitoring for abnormal resource consumption can further enhance the security of the application. For further support and assistance in vulnerability remediation, please contact DevNack.com.
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FAQ
phpMyAdmin is an open-source tool used for managing MySQL databases. It provides a web-based interface for performing various database management tasks.
The vulnerability allows remote attackers to cause a denial of service (DoS) condition by sending a large array as the 'scripts' parameter. This can result in the application becoming unresponsive and unavailable to legitimate users.
To fix this vulnerability, update phpMyAdmin to version 4.6.3 or later. This update includes a patch for the 'get_scripts.js.php' script, which properly handles large arrays in the 'scripts' parameter.
While there are no specific workarounds provided, implementing network-level protections such as firewalls or rate limiting can help mitigate the risk of a DoS attack. Monitoring the application for abnormal resource consumption is also recommended.
The latest version of phpMyAdmin can be obtained from the official website or through package managers specific to your operating system.
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