CVE-2018-11139 : Exploit Details and Defense Strategies
Discover the impact of CVE-2018-11139, a vulnerability in Quest KACE System Management Appliance version 8.0.318 allowing authenticated users to execute arbitrary commands on the system. Learn about mitigation steps and preventive measures.
This CVE-2018-11139 article provides insights into a vulnerability in the Quest KACE System Management Appliance version 8.0.318 that allows authenticated users to execute arbitrary commands on the system.
Understanding CVE-2018-11139
An issue has been identified in the '/common/ajax_email_connection_test.php' script of the Quest KACE System Management Appliance version 8.0.318, potentially leading to command injection.
What is CVE-2018-11139?
The vulnerability in the '/common/ajax_email_connection_test.php' script allows any authenticated user to access the script, enabling the execution of arbitrary commands on the system due to unsanitized user input.
The Impact of CVE-2018-11139
The vulnerability poses a significant risk as it can be exploited by authenticated users to execute arbitrary commands on the system, potentially leading to unauthorized access and control.
Technical Details of CVE-2018-11139
This section delves into the technical aspects of the CVE-2018-11139 vulnerability.
Vulnerability Description
The vulnerability arises from the lack of input sanitization in the 'TEST_SERVER' user input sent via the POST method to the '/common/ajax_email_connection_test.php' script, facilitating command injection.
Affected Systems and Versions
- Product: Quest KACE System Management Appliance
- Version: 8.0.318
Exploitation Mechanism
The vulnerability can be exploited by authenticated users sending malicious input to the 'TEST_SERVER' parameter, allowing them to execute arbitrary commands on the system.
Mitigation and Prevention
Protecting systems from CVE-2018-11139 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply security patches provided by the vendor promptly.
- Restrict access to the vulnerable script to authorized personnel only.
Long-Term Security Practices
- Implement input validation and sanitization mechanisms in web applications.
- Conduct regular security assessments and audits to identify and mitigate vulnerabilities.
Patching and Updates
Regularly monitor for security updates and patches released by the vendor to address the CVE-2018-11139 vulnerability.