CVE-2025-29310
Remediation / Mitigation Strategy: CVE-2025-29310
Vulnerability Description:
CVE-2025-29310 describes a vulnerability in ONOS (Open Network Operating System) version 2.7.0. It involves a packet deserialization issue that can be triggered by sending a specially crafted LLDP (Link Layer Discovery Protocol) packet to the ONOS instance. This allows an attacker to potentially execute arbitrary commands on the ONOS system or gain unauthorized access to network information. This is a critical flaw because ONOS is a core component for network management, and a successful exploit could compromise the entire network it controls.
Severity:
- CVSS Score: 9.8 (Critical)
- This vulnerability is rated as critical due to its high potential impact on confidentiality, integrity, and availability. Remote attackers can exploit it without requiring authentication, making it a significant threat.
Known Exploit:
The description indicates that a crafted LLDP packet can trigger the vulnerability. The specifics of how the arbitrary command execution or network information access is achieved are not detailed in the provided information but are implied to be direct consequences of the deserialization issue. Without more details on the exploit, we must assume a worst-case scenario where the attacker gains full control of the ONOS instance.
Remediation / Mitigation Strategy:
Given the critical severity of this vulnerability, immediate action is required. The following strategy outlines steps to address the risk:
1. Upgrade ONOS Immediately:
* The **primary and most effective remediation** is to upgrade to a patched version of ONOS where this vulnerability has been addressed. Check the ONOS project's website and security advisories for the latest stable release that includes a fix for CVE-2025-29310.
* Prioritize this upgrade. Schedule downtime if necessary to perform the upgrade properly.
2. Network Segmentation and Access Control (If immediate upgrade is not possible):
* **Isolate the ONOS instance:** Implement network segmentation to limit the ONOS instance's exposure to untrusted networks. Place ONOS behind a firewall.
* **Restrict LLDP traffic:** Implement strict access control lists (ACLs) on network devices to limit the sources from which LLDP packets are accepted. Ideally, only allow LLDP traffic from trusted and authorized devices within your controlled network.
* **Monitor LLDP traffic:** Implement network monitoring and intrusion detection systems (IDS) to detect suspicious LLDP traffic patterns. Look for packets that deviate from the expected LLDP behavior within your environment. Configure alerts for anomalous LLDP activity.
3. LLDP Packet Filtering (Temporary Mitigation):
* Although risky without proper testing, investigate the possibility of filtering LLDP packets based on certain characteristics (e.g., packet size, specific TLV values) that are indicative of the malicious crafted packets. This *should only be considered as a temporary measure* until a proper upgrade can be performed and *must be thoroughly tested* in a lab environment before deployment in production. Incorrectly filtering LLDP could disrupt legitimate network discovery and operation.
4. Intrusion Detection and Prevention System (IDS/IPS):
* Update the signatures of your IDS/IPS to detect and block exploitation attempts related to CVE-2025-29310. Check with your IDS/IPS vendor for specific signatures or rules to implement.
5. Security Auditing and Logging:
* Enable detailed logging on the ONOS instance and related network devices. Monitor these logs for any signs of suspicious activity, such as unauthorized access attempts, command execution failures, or unexpected network behavior.
* Perform regular security audits of the ONOS configuration and related infrastructure to identify and address any weaknesses.
6. Incident Response Plan:
* Ensure that your incident response plan includes specific steps for addressing a potential compromise of the ONOS instance. This should include procedures for isolating the affected system, collecting forensic evidence, and restoring service.
7. Vulnerability Scanning:
* Use vulnerability scanners to identify systems running vulnerable versions of ONOS within your environment.
Important Considerations:
- Testing: Thoroughly test all mitigation measures in a non-production environment before deploying them to production. Incorrectly implemented mitigation could disrupt network operations.
- Communication: Communicate the vulnerability and the remediation strategy to all relevant stakeholders, including network administrators, security personnel, and management.
- Ongoing Monitoring: Continue to monitor the network for any signs of exploitation attempts even after implementing mitigation measures.
This remediation strategy aims to reduce the risk associated with CVE-2025-29310. Prioritize the upgrade to a patched version of ONOS as the most effective long-term solution. If that is not immediately possible, implement the recommended mitigation steps to minimize the potential impact of this critical vulnerability.
Assigner
- MITRE [email protected]
Date
- Published Date: 2025-03-24 00:00:00
- Updated Date: 2025-03-26 15:16:21