CVE-2019-11777
First published: Wed Sep 11 2019(Updated: )
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.
Credit: emo@eclipse.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/Eclipse Paho Java Client version | <1.2.1 | 1.2.1 |
| Eclipse Paho Java client | =1.2.0 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- https://bugs.eclipse.org/bugs/show_bug.cgi?id=549934
- https://github.com/eclipse/paho.mqtt.java/issues/506
- https://github.com/CVEProject/cvelist/pull/2537
- https://access.redhat.com/support/policy/updates/jboss_notes
- https://access.redhat.com/errata/RHSA-2020:5568
- https://access.redhat.com/security/cve/cve-2019-11777
- https://bugzilla.redhat.com/show_bug.cgi?id=1879743
- https://www.cve.org/CVERecord?id=CVE-2019-11777 https://nvd.nist.gov/vuln/detail/CVE-2019-11777
Frequently Asked Questions
What is the severity of CVE-2019-11777?
CVE-2019-11777 is considered a high severity vulnerability due to the possibility of server impersonation and incorrect information being provided to the client.
How do I fix CVE-2019-11777?
To fix CVE-2019-11777, upgrade the Eclipse Paho Java client library to version 1.2.1 or later.
What impact does CVE-2019-11777 have on security?
CVE-2019-11777 can lead to man-in-the-middle attacks where an attacker could impersonate an MQTT server.
Which version of Eclipse Paho Java Client is affected by CVE-2019-11777?
CVE-2019-11777 affects Eclipse Paho Java Client version 1.2.0.
Is CVE-2019-11777 part of a larger series of vulnerabilities?
CVE-2019-11777 is a standalone vulnerability affecting the specific version of the Eclipse Paho Java Client.
- collector/redhat-cve
- collector/nvd-index
- agent/type
- agent/first-publish-date
- agent/softwarecombine
- collector/redhat-bugzilla
- source/Red Hat
- alias/CVE-2019-11777
- agent/software-canonical-lookup
- agent/author
- agent/severity
- agent/references
- agent/weakness
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/event
- agent/description
- agent/trending
- agent/tags
- agent/source
- vendor/eclipse
- canonical/eclipse paho java client
- version/eclipse paho java client/1.2.0
- package-manager/redhat