Executive Summary

Summary
Title docker security update
Informations
Name RHSA-2019:0304 First vendor Publication 2019-02-11
Vendor RedHat Last vendor Modification 2019-02-11
Severity (Vendor) N/A Revision 01

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:N/C:C/I:C/A:C)
Cvss Base Score 9.3 Attack Range Network
Cvss Impact Score 10 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

Problem 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.

2. Relevant releases/architectures:

Red Hat Enterprise Linux 7 Extras - aarch64, ppc64le, s390x, x86_64

3. Description:

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.

4. Solution:

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

5. Bugs fixed (https://bugzilla.redhat.com/):

1664908 - CVE-2019-5736 runc: Execution of malicious containers allows for container escape and access to host filesystem

Original Source

Url : https://rhn.redhat.com/errata/RHSA-2019-0304.html

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-216 Containment Errors (Container Errors)

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 122
Application 610
Application 1
Application 1
Application 1
Application 1
Application 1
Application 8
Application 5
Os 2
Os 1
Os 2
Os 1
Os 1

Snort® IPS/IDS

Date Description
2019-03-19 Multiple products runc arbitrary code execution attempt
RuleID : 49195 - Revision : 2 - Type : SERVER-OTHER

Alert History

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0
1
Date Informations
2019-02-20 12:12:10
  • Multiple Updates
2019-02-17 13:18:09
  • First insertion