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Security Advisories: MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLTYzcWMtcDJ4NC05Zmdm

Improper Handling of Exceptional Conditions and Origin Validation Error in Eclipse Paho Java client library

In the Eclipse Paho Java client library version 1.2.0, when connecting to an MQTT server using TLS and setting a host name verifier, the result of that verification is not checked. This could allow one MQTT server to impersonate another and provide the client library with incorrect information.

Permalink: https://github.com/advisories/GHSA-63qc-p2x4-9fgf
JSON: https://advisories.ecosyste.ms/api/v1/advisories/MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLTYzcWMtcDJ4NC05Zmdm
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Moderate
Classification: General
Published: over 4 years ago
Updated: over 1 year ago


CVSS Score: 7.5
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Identifiers: GHSA-63qc-p2x4-9fgf, CVE-2019-11777
References: Blast Radius: 28.0

Affected Packages

maven:org.eclipse.paho:org.eclipse.paho.client.mqttv3
Dependent packages: 339
Dependent repositories: 5,455
Downloads:
Affected Version Ranges: < 1.2.1
Fixed in: 1.2.1
All affected versions: 1.0.2, 1.1.0, 1.1.1, 1.2.0
All unaffected versions: 1.2.1, 1.2.2, 1.2.3, 1.2.4, 1.2.5