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CVE-2019-16884

Status Candidate

Overview

runc through 1.0.0-rc8, as used in Docker through 19.03.2-ce and other products, allows AppArmor restriction bypass because libcontainer/rootfs_linux.go incorrectly checks mount targets, and thus a malicious Docker image can mount over a /proc directory.

Related Files

Red Hat Security Advisory 2020-1234-01
Posted Apr 1, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-1234-01 - Docker is an open-source engine that automates the deployment of any application as a lightweight, portable, self-sufficient container that runs virtually anywhere. Issues addressed include bypass and use-after-free vulnerabilities.

tags | advisory, vulnerability
systems | linux, redhat
advisories | CVE-2019-16884, CVE-2020-1702, CVE-2020-8945
SHA-256 | d017e8d1a9c7a393806d36836f704685805fc6e7cc3db319a088bfb9ea16182f
Gentoo Linux Security Advisory 202003-21
Posted Mar 15, 2020
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 202003-21 - Multiple vulnerabilities have been discovered in runC, the worst of which may lead to privilege escalation. Versions less than 1.0.0_rc10 are affected.

tags | advisory, vulnerability
systems | linux, gentoo
advisories | CVE-2019-16884, CVE-2019-19921, CVE-2019-5736
SHA-256 | b654f470c0bc3ea5e9d17a7e1065315ea14d4f317417da2d5c835cd169d7bb2b
Ubuntu Security Notice USN-4297-1
Posted Mar 9, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4297-1 - It was discovered that runC incorrectly checked mount targets. An attacker with a malicious container image could possibly mount over the /proc directory and escalate privileges. This issue only affected Ubuntu 18.04 LTS. It was discovered that runC incorrectly performed access control. An attacker could possibly use this issue to escalate privileges. Various other issues were also addressed.

tags | advisory
systems | linux, ubuntu
advisories | CVE-2019-16884, CVE-2019-19921
SHA-256 | 4c43616d9540099069bfffeca945a4397bc0aedf5dea591e4a09aacf95b0ff9b
Red Hat Security Advisory 2019-4269-01
Posted Dec 17, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-4269-01 - The container-tools module contains tools for working with containers, notably podman, buildah, skopeo, and runc. Issues addressed include a bypass vulnerability.

tags | advisory, bypass
systems | linux, redhat
advisories | CVE-2019-16884, CVE-2019-9512, CVE-2019-9514
SHA-256 | ed3340b1a85a18fd57ca89976917d483b5265edec6fd9a8ef2ec9c8d8ed28f04
Red Hat Security Advisory 2019-4074-01
Posted Dec 4, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-4074-01 - Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments. This advisory contains the runc RPM package for Red Hat OpenShift Container Platform 4.2.9. The runC tool is a lightweight, portable implementation of the Open Container Format that provides a container runtime. Issues addressed include a bypass vulnerability.

tags | advisory, bypass
systems | linux, redhat
advisories | CVE-2019-16884
SHA-256 | 66e602ca70f1b784c50eafc915b506699c891d638a3ada3a7fb0fab8921fa3e6
Red Hat Security Advisory 2019-3940-01
Posted Nov 21, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-3940-01 - Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments. This advisory contains the runC container image for Red Hat OpenShift Container Platform 4.1.24. The runC tool is a lightweight, portable implementation of the Open Container Format that provides a container runtime. Issues addressed include a bypass vulnerability.

tags | advisory, bypass
systems | linux, redhat
advisories | CVE-2019-16884
SHA-256 | 045b84ea8814928ca54c94cf63e44cd51a238001881845f9dd7453b6c10dbdb4
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