CVE-2019-1010249 : Exploit Details and Defense Strategies
Learn about CVE-2019-1010249, an integer overflow vulnerability in The Linux Foundation ONOS 2.0.0 and earlier versions, allowing unauthorized flow rule installations in a switch. Find mitigation steps and preventive measures here.
A vulnerability exists in The Linux Foundation ONOS 2.0.0 and earlier versions due to an integer overflow, potentially allowing unauthorized installation of flow rules in a switch.
Understanding CVE-2019-1010249
This CVE involves an integer overflow vulnerability in ONOS versions 2.0.0 and earlier, impacting network management and connectivity.
What is CVE-2019-1010249?
The vulnerability in ONOS versions 2.0.0 and earlier stems from an integer overflow, enabling a network administrator or attacker to install unintended flow rules in a switch.
The Impact of CVE-2019-1010249
If exploited, this vulnerability could lead to the inadvertent installation of flow rules in a switch, specifically affecting the createFlow() and createFlows() functions in the FlowWebResource.java component.
Technical Details of CVE-2019-1010249
This section provides more technical insights into the CVE.
Vulnerability Description
The vulnerability is characterized by an integer overflow in ONOS versions 2.0.0 and earlier, allowing unauthorized flow rule installations in a switch.
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 in the FlowWebResource.java component, primarily via network management and connectivity.
Mitigation and Prevention
To address CVE-2019-1010249, consider the following mitigation strategies:
Immediate Steps to Take
- Apply relevant security patches promptly.
- Monitor network traffic for any suspicious activities.
- Restrict access to critical network components.
Long-Term Security Practices
- Conduct regular security audits and assessments.
- Implement network segmentation to contain potential threats.
- Educate network administrators and users on best security practices.
Patching and Updates
- Stay informed about security updates from The Linux Foundation.
- Regularly update ONOS to the latest secure version.