CVE-2017-12287 : Vulnerability Insights and Analysis
Learn about CVE-2017-12287, a vulnerability in Cisco Expressway Series and TelePresence VCS Software that could allow a remote attacker to cause a denial of service (DoS) by restarting the cluster database process. Find mitigation steps and prevention measures here.
A weakness in the management component of Cisco Expressway Series Software and Cisco TelePresence Video Communication Server could allow a remote attacker to cause a denial of service (DoS) by restarting the cluster database process.
Understanding CVE-2017-12287
This CVE involves a vulnerability in the cluster database (CDB) management component of Cisco Expressway Series Software and Cisco TelePresence Video Communication Server (VCS) Software.
What is CVE-2017-12287?
The vulnerability stems from inadequate validation of URL requests by the REST API of the affected software, enabling an authenticated remote attacker to restart the CDB process on the system, leading to a temporary DoS situation.
The Impact of CVE-2017-12287
Exploiting this vulnerability can result in a forced restart of the CDB process on the affected system, causing a temporary denial of service (DoS) situation.
Technical Details of CVE-2017-12287
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability allows an attacker to send a carefully crafted URL to the REST API of the affected software, triggering the restart of the CDB process and causing a temporary DoS.
Affected Systems and Versions
- Product: Cisco Expressway Series and Cisco TelePresence Video Communication Server
- Version: Cisco Expressway Series and Cisco TelePresence Video Communication Server
Exploitation Mechanism
- Attacker sends a crafted URL to the REST API of the affected software
- Successful exploit leads to the forced restart of the CDB process
Mitigation and Prevention
To address CVE-2017-12287, follow these steps:
Immediate Steps to Take
- Apply vendor patches and updates promptly
- Monitor network traffic for any suspicious activity
- Restrict network access to the affected systems
Long-Term Security Practices
- Regularly update and patch all software and systems
- Conduct security training for employees to recognize and report potential threats
Patching and Updates
- Refer to the vendor's security advisory for patch availability and installation instructions