CVE-2017-12293 : Security Advisory and Response
Learn about CVE-2017-12293, a vulnerability in Cisco WebEx Meetings Server that could lead to a denial of service situation. Find out how to mitigate this security risk.
Cisco WebEx Meetings Server has a vulnerability that could allow an attacker to trigger a denial of service situation by overwhelming the server with connections.
Understanding CVE-2017-12293
This CVE involves a vulnerability in Cisco WebEx Meetings Server that could be exploited by an unauthenticated remote attacker to cause a denial of service (DoS) condition.
What is CVE-2017-12293?
The vulnerability in Cisco WebEx Meetings Server allows an attacker to initiate numerous connections, depleting server resources and forcing a server restart, leading to a DoS situation.
The Impact of CVE-2017-12293
The vulnerability could result in a denial of service situation, disrupting the availability of the Cisco WebEx Meetings Server.
Technical Details of CVE-2017-12293
Vulnerability Description
The vulnerability arises due to insufficient restrictions on the number of connections that can be established with the affected software.
Affected Systems and Versions
- Product: Cisco WebEx Meetings Server
- Version: Cisco WebEx Meetings Server
Exploitation Mechanism
- Attacker opens multiple connections to the server
- Exhausts server resources
- Server reloads, causing a DoS condition
Mitigation and Prevention
Immediate Steps to Take
- Apply patches provided by Cisco to address the vulnerability
- Monitor network traffic for any unusual connection patterns
Long-Term Security Practices
- Regularly update and patch software to prevent vulnerabilities
- Implement network segmentation to limit the impact of potential attacks
Patching and Updates
- Cisco has released patches to mitigate the vulnerability in Cisco WebEx Meetings Server