CVE-2017-6790 : What You Need to Know
Learn about CVE-2017-6790 affecting Cisco TelePresence Video Communication Server (VCS). Discover the impact, technical details, and mitigation steps to prevent a denial of service (DoS) attack.
Cisco TelePresence Video Communication Server (VCS) is affected by a vulnerability that could lead to a denial of service (DoS) attack. Learn more about the impact, technical details, and mitigation steps.
Understanding CVE-2017-6790
A weakness has been identified in the Cisco TelePresence Video Communication Server (VCS) utilizing the Session Initiation Protocol (SIP), potentially enabling remote unauthorized individuals to trigger a DoS situation on the targeted device.
What is CVE-2017-6790?
The vulnerability in Cisco TelePresence VCS allows attackers to flood the system with excessive SIP traffic, leading to a complete DoS scenario.
The Impact of CVE-2017-6790
- Unauthorized individuals can exploit the vulnerability remotely to cause a DoS situation on the targeted device.
- Successful exploitation can result in a total DoS scenario on the system.
Technical Details of CVE-2017-6790
The following technical details provide insight into the vulnerability affecting Cisco TelePresence VCS.
Vulnerability Description
- The vulnerability is caused by an abundance of SIP traffic directed towards the device.
- Attackers can flood the VCS with large quantities of SIP traffic to exploit the weakness.
Affected Systems and Versions
- Product: TelePresence Video Communication Server (VCS)
- Vendor: Cisco Systems, Inc.
- Version: Not applicable
Exploitation Mechanism
- Attackers can exploit the vulnerability by overwhelming the VCS with excessive SIP traffic.
Mitigation and Prevention
Protect your systems from CVE-2017-6790 by following these mitigation and prevention strategies.
Immediate Steps to Take
- Monitor and restrict SIP traffic to prevent overwhelming the VCS.
- Implement network-level protections to filter and block malicious traffic.
- Apply access control lists to limit unauthorized access to the VCS.
Long-Term Security Practices
- Regularly update and patch the VCS to address known vulnerabilities.
- Conduct security assessments and penetration testing to identify and remediate weaknesses.
Patching and Updates
- Stay informed about security advisories and updates from Cisco Systems, Inc.
- Apply patches and firmware updates promptly to secure the TelePresence VCS.