CVE-2019-18874

psutil (también se conoce como python-psutil) versiones hasta 5.6.5, puede presentar una doble liberación. Esto ocurre debido a un manejo inapropiado de refcount dentro de un bucle while o for que convierte datos del sistema en un objeto Python.

A double free issue has been discovered in python-psutil because of the mishandling of refcounts while converting system data into Python objects in functions like psutil_disk_partitions(), psutil_users(), psutil_net_if_addrs(), and others. In particular cases, a local attacker may be able to get code execution by manipulating system resources that python-psutil then tries to convert.

Fixed two jQuery vulnerabilities Improved Ansible Tower's web service configuration to allow for processing more simultaneous HTTP requests by default Updated several dependencies of Ansible Tower's User Interface to address Updated to the latest version of python-psutil to address CVE-2019-18874 Added several optimizations to improve performance for a variety of high-load simultaneous job launch use cases Fixed workflows to no longer prevent certain users from being able to edit approval nodes Fixed confusing behavior for social auth logins across distinct browser tabs Fixed launching of Job Templates that use prompt-at-launch Ansible Vault credentials. Issues addressed include code execution and cross site scripting vulnerabilities.