CVE-2019-11777: Improper Input Validation

September 11, 2019 (updated October 9, 2019)

In the Eclipse Paho Java client library, 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.

References

bugs.eclipse.org/bugs/show_bug.cgi?id=549934
nvd.nist.gov/vuln/detail/CVE-2019-11777

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