CVE-2020-12839 : Exploit Details and Defense Strategies
Learn about CVE-2020-12839, a vulnerability in iSmartGate PRO 1.5.9 allowing privilege escalation by appending PHP code. Find mitigation steps and prevention measures here.
iSmartGate PRO 1.5.9 is vulnerable to privilege escalation by appending PHP code to /cron/checkExpirationDate.php.
Understanding CVE-2020-12839
What is CVE-2020-12839?
CVE-2020-12839 is a vulnerability in iSmartGate PRO 1.5.9 that allows attackers to escalate privileges by adding PHP code to a specific file.
The Impact of CVE-2020-12839
This vulnerability could lead to unauthorized access and control over the affected system, potentially compromising sensitive data and system integrity.
Technical Details of CVE-2020-12839
Vulnerability Description
The vulnerability in iSmartGate PRO 1.5.9 allows malicious actors to execute arbitrary PHP code by appending it to the /cron/checkExpirationDate.php file.
Affected Systems and Versions
- Product: iSmartGate PRO 1.5.9
- Vendor: Not applicable
- Version: Not applicable
Exploitation Mechanism
Attackers can exploit this vulnerability by appending malicious PHP code to the specified file, enabling them to gain unauthorized privileges on the system.
Mitigation and Prevention
Immediate Steps to Take
- Disable access to the affected file or directory to prevent unauthorized modifications.
- Regularly monitor system files for any unauthorized changes.
Long-Term Security Practices
- Implement least privilege access controls to limit the impact of potential privilege escalation attacks.
- Conduct regular security assessments and penetration testing to identify and address vulnerabilities.
Patching and Updates
Ensure that iSmartGate PRO is updated to a secure version that addresses the privilege escalation vulnerability.