SQL Injection Vulnerability in Joomla! (CVE-2017-8917)


Joomla! is an content management system (CMS), which enables you to build Web sites and powerful online applications.Joomla! is an open source solution that is freely available to everyone.

SQL injection vulnerability exists in Joomla! In an SQL injection attack a SQL query is passed on to the application via the input data from the client. The query is then passed to the backend database.
The malicious data then produces database query results. The vulnerability lies in the getListQuery method of /administrator/components/com_fields/models/fields.php.$query->order does not sanitize the user input,
instead just concatenates it to form the SQL query.

A remote, unauthenticated attacker could exploit this vulnerability by sending a crafted HTTP request with an sql statement as shown in the image below.
Successful exploitation could result in disclosure of sensitive information.

SonicWALL Threat Research Team has researched this vulnerability and released following signature to protect their customers.

  • IPS 12823: Joomla! com_fields SQL Injection
Security News
The SonicWall Capture Labs Threat Research Team gathers, analyzes and vets cross-vector threat information from the SonicWall Capture Threat network, consisting of global devices and resources, including more than 1 million security sensors in nearly 200 countries and territories. The research team identifies, analyzes, and mitigates critical vulnerabilities and malware daily through in-depth research, which drives protection for all SonicWall customers. In addition to safeguarding networks globally, the research team supports the larger threat intelligence community by releasing weekly deep technical analyses of the most critical threats to small businesses, providing critical knowledge that defenders need to protect their networks.