Cleartext transmission of sensitive information in Logstash - CVE-2020-2143

 

Cleartext transmission of sensitive information in Logstash - CVE-2020-2143

Published: March 11, 2020 / Updated: March 12, 2020


Vulnerability identifier: #VU26013
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-2143
CWE-ID: CWE-319
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Jenkins
Affected software:
Logstash

Detailed vulnerability description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to software uses insecure communication channel to transmit sensitive information. A remote attacker with ability to intercept network traffic can gain access to sensitive data.

Note: The affected plugin stores credentials in its global configuration file "jenkins.plugins.logstash.LogstashConfiguration.xml" on the Jenkins master as part of its configuration.


How to mitigate CVE-2020-2143

Install updates from vendor's website.

Sources