RHEL 7 : runc (RHSA-2019:0303)

high Nessus Plugin ID 122110

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Synopsis

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

Description

An update for runc 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.

The runC tool is a lightweight, portable implementation of the Open Container Format (OCF) that provides container runtime.

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 runc and / or runc-debuginfo packages.

Plugin Details

Severity: High

ID: 122110

File Name: redhat-RHSA-2019-0303.nasl

Version: 1.7

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 2/12/2019

Updated: 2/1/2022

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

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:runc-debuginfo, p-cpe:/a:redhat:enterprise_linux:runc, cpe:/o:redhat:enterprise_linux:7

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: 2019:0303

Detections

Analytics