CVE-2019-5021

https://notcve.org/view.php?id=CVE-2019-5021

Versions of the Official Alpine Linux Docker images (since v3.3) contain a NULL password for the `root` user. This vulnerability appears to be the result of a regression introduced in December of 2015. Due to the nature of this issue, systems deployed using affected versions of the Alpine Linux container which utilize Linux PAM, or some other mechanism which uses the system shadow file as an authentication database, may accept a NULL password for the `root` user. Algunas versiones de las imágenes de Official Alpine Linux Docker (desde v3.3) contienen una contraseña NULL para el usuario `root`. Esta vulnerabilidad parece ser el resultado de una regresión introducida en diciembre de 2015. • http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00004.html http://www.securityfocus.com/bid/108288 https://alpinelinux.org/posts/Docker-image-vulnerability-CVE-2019-5021.html https://security.netapp.com/advisory/ntap-20190510-0001 https://support.f5.com/csp/article/K25551452 https://talosintelligence.com/vulnerability_reports/TALOS-2019-0782 • CWE-258: Empty Password in Configuration File •