CVE-2018-0343 : Security Advisory and Response
Discover the vulnerability in Cisco SD-WAN Solution allowing unauthorized code execution or denial of service attacks. Learn about affected systems, exploitation, and mitigation steps.
A weakness has been discovered in the configuration and management service of the Cisco SD-WAN Solution, potentially allowing unauthorized code execution or denial of service attacks.
Understanding CVE-2018-0343
This CVE identifies a vulnerability in the Cisco SD-WAN Solution that could be exploited by a remote attacker with authentication to execute unauthorized code or disrupt services.
What is CVE-2018-0343?
The vulnerability arises from inadequate access restrictions to the HTTP management interface of the affected Cisco SD-WAN Solution, enabling attackers to send malicious HTTP requests to exploit the system.
The Impact of CVE-2018-0343
- Remote attackers with authentication could execute unauthorized code with vmanage user privileges or cause a denial of service on affected systems.
Technical Details of CVE-2018-0343
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The vulnerability in the Cisco SD-WAN Solution allows attackers to exploit insufficient access restrictions in the HTTP management interface, potentially leading to unauthorized code execution or service disruption.
Affected Systems and Versions
The following Cisco products running versions prior to Release 18.3.0 are affected:
- vBond Orchestrator Software
- vEdge 100 Series Routers
- vEdge 1000 Series Routers
- vEdge 2000 Series Routers
- vEdge 5000 Series Routers
- vEdge Cloud Router Platform
- vManage Network Management Software
- vSmart Controller Software
Exploitation Mechanism
- Attackers exploit the vulnerability by sending malicious HTTP requests to the affected management service using an authenticated device.
Mitigation and Prevention
Protecting systems from CVE-2018-0343 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply security patches provided by Cisco to address the vulnerability.
- Monitor network traffic for any suspicious activity that could indicate an ongoing attack.
Long-Term Security Practices
- Regularly update and patch all software and firmware to prevent known vulnerabilities.
- Implement network segmentation and access controls to limit the impact of potential attacks.
Patching and Updates
- Cisco has released patches to mitigate the vulnerability in affected products. Ensure timely installation of these patches to secure the systems.