Critical Git Information Exposure in phpMyAdmin: CVE-2019-19617
Summary
CVE-2019-19617: phpMyAdmin before 4.9.2 does not escape certain Git information, related to libraries/classes/Display/GitRevision.php and libraries/classes/Footer.php. Affects phpmyadmin across 2 version ranges.
< 4:4.9.2+dfsg1-1
< 1119de642b136d20e810bb20f545069a01dd7cc9
Fixed in 4:4.9.2+dfsg1-1. How to fix ↓
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Background
phpMyAdmin is a widely-used open-source tool designed for managing MySQL databases through a web interface. It allows users to perform various database operations such as creating, modifying, and deleting databases and tables. The tool is known for its user-friendly interface and extensive feature set, making it a popular choice among developers and database administrators. However, prior to version 4.9.2, phpMyAdmin was vulnerable to a security issue that could expose sensitive Git information, potentially leading to unauthorized access or data leakage.
Vulnerability Detail
The vulnerability identified as CVE-2019-19617 affects phpMyAdmin versions before 4.9.2. It arises from the failure to properly escape certain Git information within the application, specifically in the files libraries/classes/Display/GitRevision.php and libraries/classes/Footer.php. This oversight could allow an attacker to exploit the application and gain access to sensitive data related to the Git repository, including commit history and potentially sensitive configuration details. The severity of this vulnerability is rated with a CVSS score of 9.8, indicating a critical risk level that could have severe ramifications for affected systems.
How To Fix
Minimum fixed version
4:4.9.2+dfsg1-1
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
If immediate upgrading is not feasible, consider restricting access to the phpMyAdmin interface by implementing IP whitelisting or using a VPN. This can help mitigate the risk of exploitation until the upgrade can be performed.
Conclusion
CVE-2019-19617 represents a significant security risk for users of phpMyAdmin versions prior to 4.9.2 due to the exposure of sensitive Git information. It is crucial for users to upgrade to the latest version to mitigate this vulnerability and protect their database management systems from potential exploitation.
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FAQ
CVE-2019-19617 is a vulnerability in phpMyAdmin that allows for the exposure of sensitive Git information due to improper escaping in certain files.
You can check if your phpMyAdmin installation is affected by using the Vulert playground at Vulert Scanner, which allows you to monitor and alert for open-source vulnerabilities without needing to sign up.
If exploited, this vulnerability could lead to unauthorized access to sensitive Git information, which may include commit history and configuration details, potentially compromising the security of your database.
Yes, you can implement access restrictions such as IP whitelisting or using a VPN to limit exposure until you can perform the necessary upgrade.
The CVSS score for CVE-2019-19617 is 9.8, indicating a critical level of severity.
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