RHEL 8 : container-tools:rhel8 (RHSA-2019:0975)

high Nessus Plugin ID 124666

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Synopsis

The remote Red Hat host is missing a security update for container-tools:rhel8.

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2019:0975 advisory.

The container-tools module contains tools for working with containers, notably podman, buildah, skopeo, and runc.

Security Fix(es):

* A flaw was found in the way runc handled system file descriptors when running containers. A malicious container could use this flaw to overwrite contents of the runc binary and consequently run arbitrary commands on the container host system. (CVE-2019-5736)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Bug Fix(es):

* [stream rhel8] rebase container-selinux to 2.94 (BZ#1693675)

* [stream rhel8] unable to mount disk at `/var/lib/containers` via `systemd` unit when `container-selinux` policy installed (BZ#1695669)

* [stream rhel8] don't allow a container to connect to random services (BZ#1695689)

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the RHEL container-tools:rhel8 package based on the guidance in RHSA-2019:0975.

Plugin Details

Severity: High

ID: 124666

File Name: redhat-RHSA-2019-0975.nasl

Version: 1.12

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 5/7/2019

Updated: 11/6/2024

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Critical

Score: 10.0

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: High

Base Score: 9.3

Temporal Score: 8.1

Vector: CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2019-5736

CVSS v3

Risk Factor: High

Base Score: 8.6

Temporal Score: 8.2

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:H/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:podman, p-cpe:/a:redhat:enterprise_linux:containers-common, p-cpe:/a:redhat:enterprise_linux:oci-systemd-hook, p-cpe:/a:redhat:enterprise_linux:slirp4netns, p-cpe:/a:redhat:enterprise_linux:containernetworking-plugins, p-cpe:/a:redhat:enterprise_linux:runc, p-cpe:/a:redhat:enterprise_linux:fuse-overlayfs, p-cpe:/a:redhat:enterprise_linux:container-selinux, p-cpe:/a:redhat:enterprise_linux:skopeo, p-cpe:/a:redhat:enterprise_linux:buildah, p-cpe:/a:redhat:enterprise_linux:podman-docker, cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:redhat:enterprise_linux:oci-umount

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 5/7/2019

Vulnerability Publication Date: 2/11/2019

Exploitable With

Metasploit (Docker Container Escape Via runC Overwrite)

Reference Information

CVE: CVE-2019-5736

CWE: 672

RHSA: 2019:0975

Detections

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