Executive Summary



This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Summary
Title container-tools:rhel8 security and bug fix update
Informations
Name RHSA-2019:0975 First vendor Publication 2019-05-07
Vendor RedHat Last vendor Modification 2019-05-07
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 the container-tools:rhel8 module is now available for Red Hat Enterprise Linux 8.

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 AppStream (v. 8) - aarch64, noarch, ppc64le, s390x, x86_64

3. Description:

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)

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 1693675 - [stream rhel8] rebase container-selinux to 2.94 1695669 - [stream rhel8] unable to mount disk at `/var/lib/containers` via `systemd` unit when `container-selinux` policy installed 1695689 - [stream rhel8] don't allow a container to connect to random services

Original Source

Url : https://rhn.redhat.com/errata/RHSA-2019-0975.html

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-78 Improper Sanitization of Special Elements used in an OS Command ('OS Command Injection') (CWE/SANS Top 25)

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 15
Application 1
Application 378
Application 1
Application 1
Application 29
Application 7
Application 4
Application 1
Application 1
Application 2
Application 1
Application 4
Os 4
Os 1
Os 2
Os 3
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
Date Informations
2020-03-19 13:18:12
  • First insertion