CVE-2016-10523: Denial of Service in mqtt-packet
Summary
CVE-2016-10523: Denial of Service in mqtt-packet. Affects mqtt-packet across 2 version ranges.
< 3.4.6
>= 4.0.0, < 4.0.5
Fixed in 3.4.6 or 4.0.5, depending on the release line you run. How to fix ↓
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Background
The mqtt-packet package is an npm package that provides a parser and serializer for the MQTT protocol. MQTT (Message Queuing Telemetry Transport) is a lightweight messaging protocol commonly used in IoT (Internet of Things) applications. The mqtt-packet package allows developers to encode and decode MQTT packets, making it easier to implement MQTT communication in their applications.
Vulnerability Detail
Versions of mqtt-packet prior to 3.4.6 or 4.x prior to 4.0.5 are vulnerable to a denial of service (DoS) attack. This vulnerability can be exploited by sending specific sequences of MQTT packets, causing the application to crash. The vulnerability originates from a flaw in the packet handling logic of the mqtt-packet library. An attacker can craft malicious MQTT packets that trigger this flaw, leading to a DoS condition. The impact of this vulnerability is that an attacker can disrupt the availability of the affected application, potentially causing service interruptions or downtime.
How To Fix
Fixed versions by release line
The minimum fixed version depends on the release line you run.
-
< 3.4.63.4.6npm install mqtt-packet@3.4.6 -
>= 4.0.0, < 4.0.54.0.5npm install mqtt-packet@4.0.5
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Conclusion
The mqtt-packet package is vulnerable to a denial of service (DoS) attack, which can be exploited by sending specific MQTT packets. To mitigate this vulnerability, it is crucial to update the package to version 3.4.6 or later (for version 3.x) or version 4.0.5 or later (for version 4.x). This update ensures that the packet handling logic is patched and no longer susceptible to the DoS attack. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
mqtt-packet is an npm package that provides a parser and serializer for the MQTT protocol. It allows developers to encode and decode MQTT packets, facilitating MQTT communication in their applications.
A denial of service (DoS) attack is a type of cyber attack where an attacker aims to disrupt the availability of a service or system. In the case of this vulnerability, an attacker can send specific MQTT packets to crash the mqtt-packet library, causing the application to become unavailable.
The potential consequences of this vulnerability include service interruptions or downtime. By exploiting the vulnerability, an attacker can crash the application using the mqtt-packet library, rendering it unavailable for legitimate users.
To protect your application, it is crucial to update the mqtt-packet package to the recommended versions (3.4.6 or later for version 3.x, and 4.0.5 or later for version 4.x). Updating ensures that the vulnerability is patched and the application is no longer susceptible to the DoS attack.
No specific workaround is mentioned for this vulnerability. It is recommended to update the mqtt-packet package to the latest version to fix the vulnerability.
References
Related vulnerabilities
Recent vulnerabilities recorded for mqtt-packet.
