CVE-2017-12362 : Vulnerability Insights and Analysis

Cisco Meeting Server prior to version 2.2.2 is vulnerable to a flaw that could lead to a denial of service (DoS) attack when exploited by an authenticated remote attacker. The vulnerability allows the attacker to trigger a system reload by initiating video calls on specific system configurations.

Understanding CVE-2017-12362

This CVE involves a vulnerability in Cisco Meeting Server versions earlier than 2.2.2 that could be exploited by an authenticated attacker to cause a DoS situation by forcing the system to reload.

What is CVE-2017-12362?

The vulnerability in Cisco Meeting Server versions prior to 2.2.2 allows an authenticated remote attacker to induce a system reload, resulting in a DoS condition. The flaw arises when video calls are made on systems with specific configurations, enabling the attacker to trigger a system reload by placing a video call using a valid URI.

The Impact of CVE-2017-12362

An authenticated attacker can exploit the vulnerability remotely to cause a denial of service (DoS) situation by forcing the system to reload.
The flaw is triggered when video calls are initiated on systems with certain configurations.
Knowledge of a valid URI pointing to a Cisco Meeting Server is required for exploitation.
The attacker can remotely trigger a system reload by placing a video call using the valid URI.

Technical Details of CVE-2017-12362

Cisco Meeting Server versions prior to 2.2.2 are susceptible to the following:

Vulnerability Description

An authenticated attacker can exploit the vulnerability to cause a system reload, leading to a DoS condition.

Affected Systems and Versions

Product: Cisco Meeting Server
Vendor: n/a
Vulnerable Version: Cisco Meeting Server versions earlier than 2.2.2

Exploitation Mechanism

The attacker must have knowledge of a valid URI pointing to a Cisco Meeting Server.
By initiating a video call using the valid URI, the attacker can trigger the system to reload.

Mitigation and Prevention

Taking immediate steps and implementing long-term security practices are crucial to mitigate the risks associated with CVE-2017-12362.

Immediate Steps to Take

Upgrade Cisco Meeting Server to version 2.2.2 or later to eliminate the vulnerability.
Monitor and restrict access to valid URIs pointing to the server.

Long-Term Security Practices

Regularly update and patch Cisco Meeting Server to address any security vulnerabilities.
Implement network segmentation and access controls to limit exposure to potential attackers.

Patching and Updates

Apply patches and updates provided by Cisco to ensure the security of Cisco Meeting Server.