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Denial of Service in mqtt

High severity GitHub Reviewed Published Sep 1, 2020 to the GitHub Advisory Database • Updated Jan 9, 2023

Package

npm mqtt (npm)

Affected versions

<= 0.3.13

Patched versions

1.0.0

Description

Affected versions of mqtt will cause the node process to crash when receiving specially crafted MQTT packets, making the application vulnerable to a denial of service condition.

Recommendation

Update to v1.0.0 or later

References

Reviewed Aug 31, 2020
Published to the GitHub Advisory Database Sep 1, 2020
Last updated Jan 9, 2023

Severity

High

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses

CVE ID

CVE-2016-1000242

GHSA ID

GHSA-hg78-c92r-hvwr

Source code

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