CVE-2017-11193 : Security Advisory and Response
Discover how CVE-2017-11193 affects Pulse Connect Secure 8.3R1, allowing CSRF attacks through the diag.cgi file. Learn about the impact, technical details, and mitigation steps to secure your systems.
Pulse Connect Secure 8.3R1 is vulnerable to CSRF attacks through the diag.cgi file, allowing unauthorized execution of commands. Learn about the impact, technical details, and mitigation steps.
Understanding CVE-2017-11193
Pulse Connect Secure 8.3R1 has a critical vulnerability that enables Cross-Site Request Forgery (CSRF) attacks, potentially leading to unauthorized command execution.
What is CVE-2017-11193?
The diag.cgi file in Pulse Connect Secure 8.3R1 lacks CSRF protection, enabling attackers to execute various commands by tricking administrators into visiting a malicious page.
The Impact of CVE-2017-11193
This vulnerability allows attackers to run commands like ping, traceroute, nslookup, and more on any IP address by exploiting the CSRF vulnerability in the diag.cgi file.
Technical Details of CVE-2017-11193
Pulse Connect Secure 8.3R1's vulnerability can be further understood through its technical aspects.
Vulnerability Description
The diag.cgi file in the panel of Pulse Connect Secure 8.3R1 is responsible for executing commands like ping, traceroute, nslookup, and others without proper CSRF protection, enabling unauthorized command execution.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Version: Not applicable
Exploitation Mechanism
- Attackers can exploit the CSRF vulnerability in the diag.cgi file to execute commands on any IP address by deceiving administrators into accessing a malicious CSRF page.
Mitigation and Prevention
Protecting systems from CVE-2017-11193 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Disable or restrict access to the diag.cgi file to prevent unauthorized command execution.
- Educate administrators about the risks of CSRF attacks and the importance of verifying URLs before accessing them.
Long-Term Security Practices
- Implement CSRF protection mechanisms in web applications to prevent similar attacks.
- Regularly update and patch Pulse Connect Secure to address security vulnerabilities.
Patching and Updates
- Apply patches and updates provided by Pulse Secure to fix the CSRF vulnerability in the diag.cgi file.