CVE-2017-12363 : Security Advisory and Response

A vulnerability in Cisco WebEx Meeting Server allows an unauthorized attacker to modify meeting introduction messages, potentially impacting meeting security.

Understanding CVE-2017-12363

What is CVE-2017-12363?

This CVE identifies a security flaw in Cisco WebEx Meeting Server that enables a remote attacker to tamper with meeting welcome messages due to inadequate security configurations.

The Impact of CVE-2017-12363

The vulnerability could lead to unauthorized modification of meeting welcome messages, compromising the integrity and security of meetings hosted on affected servers.

Technical Details of CVE-2017-12363

Vulnerability Description

Unauthorized remote attackers can alter meeting introduction messages on impacted Cisco WebEx Meeting Servers.
The issue stems from insufficient security settings on meetings.
Exploiting this flaw involves manipulating the welcome message to gain unauthorized access.

Affected Systems and Versions

Product: Cisco WebEx Meeting Server
Versions: Cisco WebEx Meeting Server

Exploitation Mechanism

Attackers can manipulate the welcome message to modify recognized meeting introductions.

Mitigation and Prevention

Immediate Steps to Take

Apply security patches and updates provided by Cisco promptly.
Monitor and restrict access to meeting configuration settings.
Educate users on the importance of verifying meeting details.

Long-Term Security Practices

Regularly review and enhance meeting security configurations.
Conduct security audits to identify and address vulnerabilities proactively.

Patching and Updates

Cisco has released patches to address this vulnerability; ensure timely installation to mitigate risks.