CVE-2020-12762

json-c versiones hasta 0.14, presenta un desbordamiento de enteros y una escritura fuera de límites por medio de un archivo JSON grande, como es demostrado por la función printbuf_memappend.

A flaw was found in json-c. In printbuf_memappend, certain crafted values can overflow the memory allowing an attacker to write past the memory boundary. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Red Hat Advanced Cluster Management for Kubernetes 2.2.10 images Red Hat Advanced Cluster Management for Kubernetes provides the capabilities to address common challenges that administrators and site reliability engineers face as they work across a range of public and private cloud environments. Clusters and applications are all visible and managed from a single console — with security policy built in. This advisory contains the container images for Red Hat Advanced Cluster Management for Kubernetes, which provide security fixes, bug fixes and container upgrades. Issues addressed include a bypass vulnerability.