CVE-2020-13410 : What You Need to Know

An issue was discovered in MoscaJS Aedes 0.42.0 where lib/write.js does not properly consider exceptions during the writing of an invalid packet to a stream.

Understanding CVE-2020-13410

This CVE involves a vulnerability in MoscaJS Aedes 0.42.0 that could be exploited by attackers.

What is CVE-2020-13410?

CVE-2020-13410 is a vulnerability in MoscaJS Aedes 0.42.0 that allows attackers to potentially disrupt the system by writing an invalid packet to a stream without proper exception handling.

The Impact of CVE-2020-13410

This vulnerability could lead to a denial of service (DoS) condition where the MQTT broker may become unresponsive or crash, affecting the availability of services relying on it.

Technical Details of CVE-2020-13410

This section provides more in-depth technical details about the vulnerability.

Vulnerability Description

The issue lies in lib/write.js of MoscaJS Aedes 0.42.0, where exceptions during the writing of an invalid packet are not handled correctly, potentially leading to system instability.

Affected Systems and Versions

Affected Version: 0.42.0
Systems using MoscaJS Aedes 0.42.0 are vulnerable to this exploit.

Exploitation Mechanism

Attackers can exploit this vulnerability by sending specially crafted invalid packets to the MQTT broker, triggering the lack of proper exception handling in lib/write.js.

Mitigation and Prevention

Protecting systems from CVE-2020-13410 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update MoscaJS Aedes to a patched version that addresses the vulnerability.
Monitor network traffic for any suspicious activity targeting the MQTT broker.

Long-Term Security Practices

Implement network segmentation to isolate critical systems from potential attacks.
Regularly audit and update software components to prevent known vulnerabilities.

Patching and Updates

Stay informed about security advisories and patches released by the software vendor.
Apply patches promptly to ensure the system is protected against known vulnerabilities.