MySQL Exploit Remote Root Code Execution Privesc Vulnerability

14/09/2016 18:30:34
Summary


MySQL is the world's most popular open source database. Whether you are a fast growing web property, technology ISV or large enterprise, MySQL can cost-effectively help you deliver high performance, scalable database applications.


Many of the world's largest and fastest-growing organizations including Facebook, Google, Adobe, Alcatel Lucent and Zappos rely on MySQL to save time and money powering their high-volume Web sites, business-critical systems and packaged software.

An independent research has revealed multiple severe MySQL vulnerabilities.This advisory focuses on a critical vulnerability with a CVEID of CVE-2016-6662.which can allow attackers to (remotely) inject malicious settings into MySQL configuration files (my.cnf) leading to critical consequences.

The vulnerability affects all MySQL servers in default configuration in all version branches (5.7, 5.6, and 5.5) including the latest versions, and could be exploited by both local and remote attackers. Both the authenticated access to MySQL database (via network connection or web interfaces such as phpMyAdmin) and SQL Injection could be used as exploitation vectors.

As SQL Injection attacks are one of the most common issues in web applications,the CVE-2016-6662 vulnerabilty could put web applications at a critical risk in case of a successful SQL Injection attack.

A successful exploitation could allow attackers to execute arbitrary code with root privileges which would then allow them to fully compromise the server on which an affected version of MySQL is running.

Official patches for the vulnerability are not available at this time for Oracle MySQL server.

The vulnerability can be exploited even if security modules SELinux and AppArmor are installed with default active policies for MySQL service on major Linux distributions.

This advisory provides a Proof-Of-Concept MySQL exploit which demonstrates how Remote Root Code Execution could be achieved by attackers.

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