CVE-2017-2898 : Security Advisory and Response
Critical CVE-2017-2898 allows arbitrary code execution in Circle with Disney firmware. Learn about impacts, affected versions, and mitigation steps.
Circle with Disney firmware update feature vulnerability allows arbitrary code execution.
Understanding CVE-2017-2898
This CVE involves a critical vulnerability in the firmware update mechanism of Circle with Disney, enabling attackers to execute arbitrary code on the device.
What is CVE-2017-2898?
- The vulnerability in Circle with Disney's firmware update feature permits the installation of unsigned firmware through specially crafted network packets.
- Attackers can exploit this flaw to execute arbitrary code on the device by sending a sequence of packets designed to trigger the vulnerability.
The Impact of CVE-2017-2898
- CVSS Score: 9.9 (Critical)
- Attack Vector: Network
- Attack Complexity: Low
- Privileges Required: Low
- Scope: Changed
- Confidentiality Impact: High
- Integrity Impact: High
- Availability Impact: High
- User Interaction: None
Technical Details of CVE-2017-2898
The technical aspects of the vulnerability are as follows:
Vulnerability Description
- The vulnerability lies in the signature verification of the firmware update functionality of Circle with Disney.
- Crafted network packets can lead to the installation of unsigned firmware, facilitating arbitrary code execution.
Affected Systems and Versions
- Affected Product: Circle
- Vendor: Circle Media
- Affected Version: Firmware 2.0.1
Exploitation Mechanism
- Attackers can exploit the vulnerability by sending specially crafted network packets to install unsigned firmware, allowing arbitrary code execution.
Mitigation and Prevention
Steps to address and prevent exploitation of CVE-2017-2898:
Immediate Steps to Take
- Disable remote firmware updates if not essential.
- Implement network segmentation to restrict access to vulnerable devices.
- Monitor network traffic for any suspicious activity.
Long-Term Security Practices
- Regularly update firmware and software to patch known vulnerabilities.
- Conduct security assessments and penetration testing to identify weaknesses.
Patching and Updates
- Apply patches and updates provided by Circle Media to fix the vulnerability and enhance device security.