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Vulnerability of Apache log4j: Man-in-the-Middle via SmtpAppender

Synthesis of the vulnerability 

An attacker can act as a Man-in-the-Middle via SmtpAppender on Apache log4j, in order to read or write data in the session.
Vulnerable software: log4j.
Severity of this announce: 2/4.
Creation date: 27/04/2020.
Références of this computer vulnerability: CVE-2020-9488, VIGILANCE-VUL-32095.

Description of the vulnerability 

An attacker can act as a Man-in-the-Middle via SmtpAppender on Apache log4j, in order to read or write data in the session.
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This vulnerability announce impacts software or systems such as log4j.

Our Vigil@nce team determined that the severity of this cybersecurity threat is medium.

The trust level is of type confirmed by the editor, with an origin of internet server.

An attacker with a expert ability can exploit this computer threat bulletin.

Solutions for this threat 

Apache log4j: version 2.13.2.
The version 2.13.2 is fixed:
  http://logging.apache.org/log4j/2.x/download.html

Apache ZooKeeper: version 3.5.8.
The version 3.5.8 is fixed:
  https://www.apache.org/dyn/closer.lua/zookeeper/zookeeper-3.5.8/apache-zookeeper-3.5.8.tar.gz
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