Remediation/Mitigation Strategy for CVE-2025-1744

This document outlines the vulnerability, its severity, potential exploitation, and the recommended steps to remediate and mitigate the risks associated with CVE-2025-1744.

1. Vulnerability Description:

• CVE ID: CVE-2025-1744
• Software Affected: radareorg radare2 (versions prior to 5.9.9)
• Vulnerability Type: Out-of-bounds Write
• Description: The vulnerability is an out-of-bounds write in radare2 that can lead to a heap-based buffer over-read or buffer overflow. This means that the program is writing data outside of the allocated memory region. This can lead to various issues including arbitrary code execution, denial of service, or information disclosure.

2. Severity:

• CVSS Score: 10.0 (Based on information provided)
• Severity Rating: Critical
• Justification: An out-of-bounds write leading to buffer overflow/over-read has significant impact. A successful exploit could lead to complete system compromise. The CVSS score of 10.0 signifies the highest level of risk and necessitates immediate action.

3. Known Exploit:

• While the provided information doesn’t explicitly state a publicly available exploit, the nature of the vulnerability (out-of-bounds write leading to buffer overflow/over-read) makes it highly likely that a skilled attacker could develop an exploit. Assume that an exploit exists or can be readily created. Given the critical severity, consider the system actively vulnerable.

4. Remediation Strategy:

• Immediate Action:

  • Upgrade radare2: The primary remediation is to upgrade radare2 to version 5.9.9 or later. This version contains the fix for CVE-2025-1744. # Example using a package manager (replace with your specific method) sudo apt update sudo apt upgrade radare2

    or

    sudo yum update radare2 * Verify the Upgrade: After the upgrade, verify that the correct version is installed: r2 -v The output should show a version equal to or greater than 5.9.9.

• Long-Term Actions:

  • Vulnerability Scanning: Implement regular vulnerability scanning of all systems where radare2 is deployed. This will help proactively identify and address other potential security issues.
  • Software Version Control: Maintain a strict software version control policy. Ensure that all software, including radare2, is kept up-to-date with the latest security patches.
  • Security Awareness Training: Provide security awareness training to developers and system administrators, educating them about secure coding practices and the risks associated with vulnerabilities like buffer overflows.
  • Code Review: Implement code review processes for any custom code or plugins used with radare2. Pay particular attention to memory management functions.
  • Monitor for Exploit Attempts: Implement intrusion detection and prevention systems (IDS/IPS) to monitor for any attempts to exploit CVE-2025-1744 or similar vulnerabilities. Pay attention to suspicious activity around radare2 processes.
  • Least Privilege Principle: Ensure that radare2 processes are running with the least necessary privileges. This will limit the damage an attacker can do if they manage to exploit the vulnerability.

5. Mitigation Strategy (If Immediate Remediation is Not Possible):

If an immediate upgrade to version 5.9.9 or later is not feasible, implement the following mitigation measures:

• Network Segmentation: Isolate systems running vulnerable versions of radare2 on a separate network segment. This limits the potential spread of an attack.
• Restrict Access: Restrict access to radare2 to only authorized users and systems. Use strong authentication methods.
• Input Validation: If possible, implement strict input validation for radare2. Filter or sanitize any input that could potentially trigger the vulnerability. This may be difficult without deep knowledge of the radare2 codebase.
• Monitor System Logs: Closely monitor system logs for any signs of suspicious activity related to radare2, such as crashes, unexpected memory usage, or unauthorized access attempts.
• Disable Unnecessary Features: If possible, disable any unnecessary features or plugins in radare2 that are not essential for its operation. This reduces the attack surface.
• Memory Protection: Enable memory protection features like Address Space Layout Randomization (ASLR) and Data Execution Prevention (DEP). These can make it more difficult for an attacker to exploit the vulnerability. However, they are not a foolproof solution.

6. Communication:

• Internal: Communicate the vulnerability and remediation/mitigation steps to all relevant stakeholders, including system administrators, developers, and security personnel.
• External: If radare2 is used in a product or service, consider notifying customers about the vulnerability and providing guidance on how to mitigate the risk.

7. Testing:

• After applying the upgrade or mitigation measures, thoroughly test the radare2 deployment to ensure that the fix is effective and that no functionality has been broken.

Important Considerations:

• This remediation/mitigation strategy is based on the information provided and assumes a standard radare2 deployment. Adapt the strategy to your specific environment and requirements.
• Stay informed about any new information or exploits related to CVE-2025-1744.
• Prioritize upgrading to the latest version of radare2 as soon as possible. Mitigation measures are not a substitute for a proper fix.
• Consult with security experts for further guidance and assistance.

Assigner

• Government Technology Agency of Singapore Cyber Security Group (GovTech CSG) [email protected]

Date

• Published Date: 2025-02-28 03:24:50
• Updated Date: 2025-02-28 04:15:10

More Details

CVE-2025-1744