CVE-2019-1010250 : What You Need to Know
Learn about CVE-2019-1010250 affecting The Linux Foundation's ONOS versions 2.0.0 and earlier due to poor input validation. Understand the impact, affected systems, and mitigation steps.
The Linux Foundation's ONOS versions 2.0.0 and prior encounter an issue related to inadequate input validation, potentially allowing the installation of unintended flow rules by network administrators or attackers.
Understanding CVE-2019-1010250
This CVE pertains to a vulnerability in ONOS versions 2.0.0 and earlier, affecting network management and connectivity.
What is CVE-2019-1010250?
The vulnerability in ONOS versions 2.0.0 and earlier stems from inadequate input validation, specifically within the createFlow() and createFlows() functions in FlowWebResource.java (RESTful service). This flaw can lead to the inadvertent installation of unintended flow rules by network administrators or potential attackers.
The Impact of CVE-2019-1010250
The impact of this vulnerability is that a network administrator or attacker could mistakenly install unintended flow rules in the switch, compromising network security.
Technical Details of CVE-2019-1010250
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability is categorized as a Poor Input-validation issue, allowing unauthorized installation of flow rules.
Affected Systems and Versions
- Product: ONOS
- Vendor: The Linux Foundation
- Versions Affected: 2.0.0 and earlier
Exploitation Mechanism
The vulnerability can be exploited through the createFlow() and createFlows() functions within the FlowWebResource.java (RESTful service), affecting network management and connectivity.
Mitigation and Prevention
To address CVE-2019-1010250, follow these mitigation strategies:
Immediate Steps to Take
- Update ONOS to a patched version that addresses the input validation issue.
- Implement strict input validation mechanisms to prevent unauthorized flow rule installations.
Long-Term Security Practices
- Regularly monitor network traffic for any unusual flow rule installations.
- Conduct security audits to identify and address vulnerabilities in network management systems.
Patching and Updates
- Apply security patches provided by The Linux Foundation for ONOS to fix the input validation vulnerability.