WordPress SQL Injection Vulnerability in $wpdb->prepare()
Summary
DLA-1160-1: wordpress - security update. Affects wordpress versions < 3.6.1+dfsg-1~deb7u18. Fixed in 3.6.1+dfsg-1~deb7u18. How to fix ↓
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Background
WordPress is a popular web blogging tool used for creating and managing websites. It provides a platform for users to publish and manage their content. The vulnerability in question affects the $wpdb->prepare() function in WordPress, which is used for preparing SQL queries. This function can create unexpected and unsafe queries, potentially leading to SQL injection (SQLi) attacks. This vulnerability can be exploited in plugins and themes, allowing an attacker to execute arbitrary SQL queries and potentially gain unauthorized access to the WordPress database.
Vulnerability Detail
The vulnerability arises from the improper usage of $wpdb->prepare() function in plugins and themes. By not properly sanitizing user input, an attacker can manipulate the SQL query and inject malicious code. This can lead to various consequences, including unauthorized access to the database, data manipulation, and potentially even remote code execution. It is important to note that this vulnerability is different from CVE-2017-14723. The fix for this vulnerability is included in version 3.6.1+dfsg-1~deb7u18 of the WordPress package for Debian 7 Wheezy.
How To Fix
Minimum fixed version
3.6.1+dfsg-1~deb7u18
This is the first release that contains the fix.
sudo apt-get install --only-upgrade wordpressTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Conclusion
The SQL injection vulnerability in $wpdb->prepare() function of WordPress can lead to potential unauthorized access to the database and other security risks. It is crucial to upgrade your WordPress packages to version 3.6.1+dfsg-1~deb7u18 or later to mitigate this vulnerability. For further support and assistance in vulnerability remediation, you can contact DevNack.com.
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FAQ
SQL injection is a type of security vulnerability where an attacker can insert malicious SQL code into a query, manipulating its behavior and potentially gaining unauthorized access to a database.
This vulnerability can be exploited by an attacker who has the ability to provide input to plugins or themes that use the vulnerable $wpdb->prepare() function. By manipulating the input, the attacker can inject malicious SQL code and potentially execute arbitrary queries.
The consequences of this vulnerability can vary depending on the specific implementation of WordPress and the plugins/themes in use. However, potential consequences include unauthorized access to the database, data manipulation, and potentially even remote code execution.
No, this vulnerability is not specific to Debian 7 Wheezy. It affects WordPress installations using versions prior to 3.6.1+dfsg-1~deb7u18. However, the fix mentioned in this advisory is specific to the Debian 7 Wheezy package.
You can find more information about Debian LTS security advisories, including how to apply updates and frequently asked questions, on the Debian LTS wiki: https://wiki.debian.org/LTS
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