mqtt-packet up to 3.5.0/4.1.3/5.6.1/6.1.2 Decoder MQTT SUBSCRIBE Packet Crash denial of service

A vulnerability, which was classified as problematic, was found in mqtt-packet up to 3.5.0/4.1.3/5.6.1/6.1.2. Affected is a function of the component Decoder. The manipulation as part of a MQTT SUBSCRIBE Packet leads to a denial of service vulnerability (Crash). CWE is classifying the issue as CWE-404. This is going to have an impact on availability. CVE summarizes:

A specifically malformed MQTT Subscribe packet crashes MQTT Brokers using the mqtt-packet module versions < 3.5.1, 4.0.0 - 4.1.3, 5.0.0 - 5.6.1, 6.0.0 - 6.1.2 for decoding.

The weakness was published 05/06/2019. This vulnerability is traded as CVE-2019-5432 since 01/04/2019. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 05/06/2019).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Name

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.5

VulDB Base Score: ≈3.5
VulDB Temp Score: ≈3.5
VulDB Vector: ?
VulDB Reliability: ?

VulDB Base Score: ?
VulDB Temp Score: ?
VulDB Reliability: ?
Class: Denial of service / Crash (CWE-404)
Local: Yes
Remote: No

Availability: ?
Status: Not defined

Price Prediction: ?
Current Price Estimation: ?

Threat Intelligenceinfoedit

Threat: ?
Adversaries: ?
Geopolitics: ?
Economy: ?
Predictions: ?
Remediation: ?Recommended: no mitigation known
0-Day Time: ?01/04/2019 CVE assigned
05/06/2019 +122 days Advisory disclosed
05/06/2019 +0 days VulDB entry created
05/06/2019 +0 days VulDB last updateCVE: CVE-2019-5432 (?)Created: 05/06/2019 09:16 PM
Complete: ?

Comments are closed.