CVE-2025-2222
Remediation/Mitigation Strategy for CVE-2025-2222
Vulnerability Description:
CWE-552: Files or Directories Accessible to External Parties vulnerability exists over HTTPS, potentially leading to information leakage and privilege escalation following a man-in-the-middle (MITM) attack. This means that unauthorized access to sensitive files or directories on the system is possible due to improper access controls. The vulnerability is accessible over HTTPS, suggesting a web-based or API interface is affected.
Severity:
- CVSS v3 Score: 8.2 (High)
- Vector: (Based on given data - approximate; actual vector needed for accurate representation) AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
Known Exploit:
The vulnerability allows for unauthorized access to files and directories, likely due to weak or missing access controls. A successful MITM attack could allow an attacker to intercept and modify network traffic, potentially gaining access to credentials or session tokens needed to exploit the vulnerability. Specific details of the exploit mechanism are not provided, but the core issue is the exposure of sensitive files and directories.
Remediation/Mitigation Steps:
Identify Affected Files and Directories: The first step is to identify all files and directories accessible through the HTTPS interface. Classify them based on sensitivity (e.g., configuration files, user data, logs).
Implement Strong Access Controls:
- Principle of Least Privilege: Restrict access to files and directories to only those users or processes that absolutely require it.
- Authentication and Authorization: Implement robust authentication mechanisms (e.g., multi-factor authentication) and rigorous authorization checks for all requests. Verify that the application properly validates user permissions before granting access to any resource.
- HTTPS Configuration Review: Ensure that HTTPS is configured correctly with up-to-date TLS protocols and strong cipher suites to prevent MITM attacks in the first place. Review server certificates for validity and trust. Enable HSTS.
Input Validation and Sanitization: Implement thorough input validation and sanitization techniques to prevent attackers from manipulating requests to access unauthorized files or directories. Specifically, check path traversal vulnerabilities.
Code Review: Conduct a thorough code review of the affected application to identify and correct any coding errors or vulnerabilities related to file access and security. Pay special attention to sections that handle file paths and user input.
Regular Security Audits and Penetration Testing: Perform regular security audits and penetration testing to identify and address potential vulnerabilities before they can be exploited.
Monitor for Suspicious Activity: Implement monitoring systems to detect and alert on suspicious activity, such as unauthorized file access attempts or MITM attacks. Analyze server logs, network traffic, and application logs for indicators of compromise.
Patch and Upgrade: Apply any available security patches or upgrades for the affected software or components as soon as possible.
Web Application Firewall (WAF): Implement a Web Application Firewall (WAF) to filter malicious traffic and block common attack patterns, including those targeting file access vulnerabilities. Configure the WAF with appropriate rules to detect and prevent path traversal and other related attacks.
Rate Limiting: Implement rate limiting to prevent brute-force attacks attempting to discover accessible files.
Data Encryption: Encrypt sensitive data at rest and in transit to mitigate the impact of a successful attack. Even if an attacker gains access to files, the data will be protected by encryption.
Ongoing Maintenance:
- Continuously monitor systems for new vulnerabilities.
- Regularly review and update security policies and procedures.
- Provide security awareness training to employees.
Assigner
- Schneider Electric SE [email protected]
Date
- Published Date: 2025-04-09 10:12:33
- Updated Date: 2025-04-09 20:02:42