RHEL 7 : docker (RHSA-2019:0304)

high Nessus Plugin ID 122111

Synopsis

The remote Red Hat host is missing one or more security updates.

Description

An update for docker is now available for Red Hat Enterprise Linux 7 Extras.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Docker is an open source engine that automates the deployment of any application as a lightweight, portable, self-sufficient container that runs virtually anywhere.

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)

Additional details about this flaw, including mitigation information, can be found in the vulnerability article linked from the Reference section.

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.

Solution

Update the affected packages.

See Also

https://access.redhat.com/security/vulnerabilities/runcescape

https://access.redhat.com/errata/RHSA-2019:0304

https://access.redhat.com/security/cve/cve-2019-5736

Plugin Details

Severity: High

ID: 122111

File Name: redhat-RHSA-2019-0304.nasl

Version: 1.7

Type: local

Agent: unix

Published: 2/12/2019

Updated: 2/1/2022

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

Risk Information

VPR

Risk Factor: Critical

Score: 10.0

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:docker, cpe:/o:redhat:enterprise_linux:7, p-cpe:/a:redhat:enterprise_linux:docker-common, p-cpe:/a:redhat:enterprise_linux:docker-client, p-cpe:/a:redhat:enterprise_linux:docker-lvm-plugin, p-cpe:/a:redhat:enterprise_linux:docker-novolume-plugin, p-cpe:/a:redhat:enterprise_linux:docker-rhel-push-plugin, p-cpe:/a:redhat:enterprise_linux:docker-debuginfo, p-cpe:/a:redhat:enterprise_linux:docker-logrotate, p-cpe:/a:redhat:enterprise_linux:docker-v1.10-migrator

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: 2/11/2019

Vulnerability Publication Date: 2/11/2019

Exploitable With

Metasploit (Docker Container Escape Via runC Overwrite)

Reference Information

CVE: CVE-2019-5736

RHSA: 2019:0304