CVE-2019-9918 : Security Advisory and Response
Learn about CVE-2019-9918, a high severity SQL injection vulnerability in Harmis JE Messenger component 1.2.2 for Joomla! Understand the impact, affected systems, exploitation, and mitigation steps.
The Harmis JE Messenger component 1.2.2 for Joomla! is vulnerable to SQL injection due to absent input validation, allowing unauthorized SQL statements to be executed in the database.
Understanding CVE-2019-9918
This CVE involves a high severity SQL injection vulnerability in the Harmis JE Messenger component for Joomla!.
What is CVE-2019-9918?
CVE-2019-9918 is a security flaw in the Harmis JE Messenger component 1.2.2 for Joomla! that allows attackers to execute unauthorized SQL statements in the database.
The Impact of CVE-2019-9918
The vulnerability has a CVSS base score of 8.5, indicating a high severity level. The confidentiality impact is high, while integrity impact is low. Attackers with low privileges can exploit this issue remotely without user interaction.
Technical Details of CVE-2019-9918
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The Harmis JE Messenger component 1.2.2 for Joomla! lacks input validation, making it susceptible to SQL injection attacks. Attackers can execute arbitrary SQL statements in the database.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Version: 1.2.2
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Network
- Privileges Required: Low
- Scope: Changed
- User Interaction: None
- Availability Impact: None
Mitigation and Prevention
Protecting systems from CVE-2019-9918 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Disable or remove the Harmis JE Messenger component 1.2.2 for Joomla! if not essential
- Implement input validation mechanisms to prevent SQL injection
- Monitor database activities for suspicious queries
Long-Term Security Practices
- Regularly update Joomla! and its extensions to patch vulnerabilities
- Conduct security audits to identify and address potential weaknesses
- Educate developers on secure coding practices
Patching and Updates
- Check for security patches or updates from the Joomla! extension repository
- Apply patches promptly to mitigate the SQL injection risk