CVE-2019-5736 – runc < 1.0-rc6 (Docker < 18.09.2) - Container Breakout

https://notcve.org/view.php?id=CVE-2019-5736

11 Feb 2019 — runc through 1.0-rc6, as used in Docker before 18.09.2 and other products, allows attackers to overwrite the host runc binary (and consequently obtain host root access) by leveraging the ability to execute a command as root within one of these types of containers: (1) a new container with an attacker-controlled image, or (2) an existing container, to which the attacker previously had write access, that can be attached with docker exec. This occurs because of file-descriptor mishandling, related to /proc/sel... • https://packetstorm.news/files/id/165197 • CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') CWE-672: Operation on a Resource after Expiration or Release •