CVE-2019-15289 : Exploit Details and Defense Strategies
Multiple vulnerabilities in Cisco TelePresence Collaboration Endpoint and RoomOS Software allow remote attackers to cause a denial of service condition. Learn about the impact, affected systems, and mitigation steps.
Cisco TelePresence Collaboration Endpoint and RoomOS Software Denial of Service Vulnerabilities
Understanding CVE-2019-15289
Multiple vulnerabilities in the video service of Cisco TelePresence Collaboration Endpoint (CE) and Cisco RoomOS Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.
What is CVE-2019-15289?
The vulnerabilities discovered in the video service of Cisco TelePresence Collaboration Endpoint and Cisco RoomOS Software can be exploited by an unauthorized attacker to cause a denial of service (DoS) on the affected device. These vulnerabilities stem from inadequate input validation, allowing attackers to send manipulated traffic to the video service on the impacted endpoint, leading to a malfunction and crash of the video service.
The Impact of CVE-2019-15289
The vulnerabilities have a base score of 7.5, indicating a high severity level. The availability impact is high, potentially causing a DoS on the affected device.
Technical Details of CVE-2019-15289
Vulnerability Description
The vulnerabilities are a result of insufficient input validation in the video service of Cisco TelePresence Collaboration Endpoint and RoomOS Software. Attackers can exploit these flaws by sending crafted traffic to the video service, causing it to crash and resulting in a DoS condition.
Affected Systems and Versions
- Product: Cisco TelePresence TC Software
- Vendor: Cisco
- Version: n/a
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Network
- Privileges Required: None
- User Interaction: None
- Scope: Unchanged
- Vector String: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Mitigation and Prevention
Immediate Steps to Take
- Apply the latest security patches provided by Cisco to address the vulnerabilities.
- Monitor network traffic for any signs of exploitation attempts.
- Restrict network access to the affected devices.
Long-Term Security Practices
- Regularly update and patch all software and firmware to prevent future vulnerabilities.
- Conduct security training for employees to raise awareness of potential threats.
Patching and Updates
- Stay informed about security advisories from Cisco and promptly apply recommended patches.