CVE-2016-2562: Insecure Certificate Validation in phpMyAdmin
Summary
CVE-2016-2562: The checkHTTP function in libraries/Config.class.php in phpMyAdmin 4.5.x before 4.5.5.1 does not verify X.509 certificates from api.github.com SSL servers, which allows man-in-the-middle attackers to spoof these servers... Affects phpmyadmin across 2 version ranges.
< 4:4.5.5.1-1
< e42b7e3aedd29dd0f7a48575f20bfc5aca0ff976
Fixed in 4:4.5.5.1-1. How to fix ↓
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Background
phpMyAdmin is a popular web-based administration tool for managing MySQL databases. It provides a user-friendly interface for performing various database operations. However, in versions 4.5.x before 4.5.5.1, phpMyAdmin is vulnerable to an insecure certificate validation issue.
Vulnerability Detail
The checkHTTP function in libraries/Config.class.php in phpMyAdmin does not properly verify X.509 certificates from api.github.com SSL servers. This allows an attacker to perform a man-in-the-middle attack and spoof the GitHub servers, potentially leading to the disclosure of sensitive information. By crafting a malicious certificate, an attacker can intercept and modify the communication between phpMyAdmin and GitHub, gaining unauthorized access to sensitive data.
How To Fix
Minimum fixed version
4:4.5.5.1-1
This is the first release that contains the fix.
sudo apt-get install --only-upgrade phpmyadmin
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Workaround
There is no known workaround for this vulnerability. It is essential to update phpMyAdmin to the patched version to mitigate the risk of exploitation.
Conclusion
In conclusion, phpMyAdmin versions 4.5.x before 4.5.5.1 are vulnerable to an insecure certificate validation issue. This can be exploited by an attacker to perform a man-in-the-middle attack and gain unauthorized access to sensitive information. It is crucial to update phpMyAdmin to version 4.5.5.1 or later to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
phpMyAdmin is a web-based administration tool for managing MySQL databases. It allows users to perform various database operations through a user-friendly interface.
This vulnerability allows an attacker to perform a man-in-the-middle attack and intercept sensitive information exchanged between phpMyAdmin and GitHub. This can lead to unauthorized access to sensitive data.
To fix this vulnerability, update phpMyAdmin to version 4.5.5.1 or later. Download the latest version from the official phpMyAdmin website and follow the installation instructions.
No, there is no known workaround for this vulnerability. Updating phpMyAdmin to the patched version is the recommended solution.
You can find more information about this vulnerability in the provided database-specific source: https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2016-2562.json
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