CVE-2017-2323 : Security Advisory and Response
Learn about CVE-2017-2323 affecting Juniper Networks NorthStar Controller Application. Discover the impact, technical details, and mitigation steps for this denial of service vulnerability.
Juniper Networks NorthStar Controller Application prior to version 2.1.0 Service Pack 1 is vulnerable to a denial of service attack, potentially leading to a persistent denial of service.
Understanding CVE-2017-2323
The vulnerability in the NorthStar Controller Application could be exploited by a malicious attacker to disrupt the path computation server service.
What is CVE-2017-2323?
The vulnerability in Juniper Networks NorthStar Controller Application allows attackers to create packets that, when sent to the targeted device, can cause a continuous denial of service to the path computation server service.
The Impact of CVE-2017-2323
This vulnerability poses a significant risk as it can lead to a persistent denial of service, impacting the availability and functionality of the affected systems.
Technical Details of CVE-2017-2323
Juniper Networks NorthStar Controller Application is susceptible to a denial of service vulnerability, as detailed below:
Vulnerability Description
The vulnerability in the NorthStar Controller Application, prior to version 2.1.0 Service Pack 1, allows malicious attackers to disrupt the path computation server service through crafted packets.
Affected Systems and Versions
- Product: NorthStar Controller Application
- Vendor: Juniper Networks
- Versions Affected: Prior to version 2.1.0 Service Pack 1
Exploitation Mechanism
Attackers can exploit this vulnerability by sending specially crafted packets to the targeted device, resulting in a continuous denial of service to the path computation server service.
Mitigation and Prevention
Taking immediate steps and implementing long-term security practices are crucial to mitigating the risks associated with CVE-2017-2323:
Immediate Steps to Take
- Update the NorthStar Controller Application to version 2.1.0 Service Pack 1 or later.
- Monitor network traffic for any suspicious activity.
Long-Term Security Practices
- Regularly update and patch software to address known vulnerabilities.
- Implement network segmentation to limit the impact of potential attacks.
Patching and Updates
- Apply patches and updates provided by Juniper Networks to address the vulnerability and enhance the security of the NorthStar Controller Application.