mqtt-packet up to 3.5.0/4.1.3/5.6.1/6.1.2 Decoder MQTT SUBSCRIBE Packet input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in mqtt-packet up to 3.5.0/4.1.3/5.6.1/6.1.2. This affects an unknown part of the component Decoder. The manipulation as part of MQTT SUBSCRIBE Packet results in input validation. This vulnerability is known as CVE-2019-5432. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

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 an unknown function of the component Decoder. The manipulation as part of a MQTT SUBSCRIBE Packet leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. 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 bug was discovered 04/28/2019. The weakness was published 05/06/2019. This vulnerability is traded as CVE-2019-5432 since 01/04/2019. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 8 days. During that time the estimated underground price was around $0-$5k.

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

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/04/2019 🔍
04/28/2019 +114 days 🔍
05/06/2019 +8 days 🔍
05/06/2019 +0 days 🔍
09/12/2023 +1590 days 🔍

Sourcesinfo

Advisory: hackerone.com
Status: Not defined

CVE: CVE-2019-5432 (🔍)
GCVE (CVE): GCVE-0-2019-5432
GCVE (VulDB): GCVE-100-134400

Entryinfo

Created: 05/06/2019 21:16
Updated: 09/12/2023 14:46
Changes: 05/06/2019 21:16 (53), 06/07/2020 09:29 (1), 09/12/2023 14:46 (3)
Complete: 🔍
Cache ID: 216::103

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