CVE-2019-0222 : Vulnerability Insights and Analysis
Learn about CVE-2019-0222 affecting Apache ActiveMQ versions 5.0.0 to 5.15.8. Unmarshalling corrupt MQTT frames can lead to an Out of Memory exception, causing broker unresponsiveness.
Apache ActiveMQ version 5.0.0 to 5.15.8 is susceptible to an Out of Memory exception due to unmarshalling damaged MQTT frames.
Understanding CVE-2019-0222
Apache ActiveMQ versions 5.0.0 to 5.15.8 are affected by a vulnerability that can lead to broker unresponsiveness.
What is CVE-2019-0222?
In Apache ActiveMQ 5.0.0 - 5.15.8, unmarshalling a corrupt MQTT frame can cause the broker to experience an Out of Memory exception, rendering it unresponsive.
The Impact of CVE-2019-0222
The vulnerability can result in a denial of service (DoS) scenario where the broker becomes unresponsive, affecting system availability.
Technical Details of CVE-2019-0222
Apache ActiveMQ is affected by a specific vulnerability that can be exploited under certain conditions.
Vulnerability Description
When a damaged MQTT frame is unmarshalled in Apache ActiveMQ versions 5.0.0 to 5.15.8, it can trigger an Out of Memory exception, leading to broker unresponsiveness.
Affected Systems and Versions
- Product: Apache ActiveMQ
- Vendor: Apache
- Versions: Apache ActiveMQ 5.0.0 - 5.15.8
Exploitation Mechanism
An attacker can exploit this vulnerability by sending a specially crafted MQTT frame to the broker, causing it to unmarshal the corrupt frame and exhaust memory resources.
Mitigation and Prevention
It is crucial to take immediate steps to address and prevent the exploitation of CVE-2019-0222.
Immediate Steps to Take
- Apply the recommended patches and updates provided by Apache to mitigate the vulnerability.
- Monitor system resources for any unusual spikes in memory consumption that could indicate an ongoing attack.
- Implement network-level protections to filter out potentially malicious MQTT frames.
Long-Term Security Practices
- Regularly update and patch Apache ActiveMQ to ensure that known vulnerabilities are addressed promptly.
- Conduct security assessments and audits to identify and remediate any potential weaknesses in the system.
Patching and Updates
- Stay informed about security advisories and updates from Apache ActiveMQ to apply patches as soon as they are released.