Improper Certificate Validation in Spira Importer - CVE-2019-16558

 

Improper Certificate Validation in Spira Importer - CVE-2019-16558

Published: December 18, 2019


Vulnerability identifier: #VU23676
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-16558
CWE-ID: CWE-295
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Jenkins
Affected software:
Spira Importer

Detailed vulnerability description

The vulnerability allows a remote attacker to perform a man-in-the-middle (MiTM) attack.

The vulnerability exists due to the affected software unconditionally disables SSL/TLS certificate validation for the entire Jenkins master JVM. A remote attacker can supply a specially crafted SSL/TLS certificate, conduct man-in-the-middle attacks and connect to a targeted system.

How to mitigate CVE-2019-16558

Install updates from vendor's website.

Sources