Security Bulletin: Vulnerability in Docker affects Cloud Pak Sytem (CVE-2020-13401)

Summary

Vulnerability identified within Docker shipped as pType component with Cloud Pak System Software. IBM Cloud Pak System Software addressed this vulnerability.

Vulnerability Details

CVEID:CVE-2020-13401
**DESCRIPTION:**Docker Docker CE is vulnerable to a man-in-the-middle attack, caused by improper validation of router advertisements. By sending rogue router advertisements, an attacker could exploit this vulnerability using man-in-the-middle techniques to gain access to the communication channel between endpoints to obtain sensitive information or further compromise the system.
CVSS Base score: 6
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/182750 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L)

Affected Products and Versions

2.3.0.1, 2.3.1.1, 2.3.2.0

Remediation/Fixes

For all minor release version that are end of support and unsupported releases the recommendation is to upgrade to latest fixed release.

For Cloud Pak System 2.2.6 OS Images on Red Hat Linux Enterprise refer to : <https://access.redhat.com/security/cve/cve-2020-13401&gt;. Contact IBM Cloud Pak System support for assistance.

OR

upgrade to then to IBM Cloud Pak System 2.3.3.0.

For IBM Cloud Pak System v2.3.0.1, v2.3.1.1, v.2.3.2.0 ,

upgrade to IBM Cloud Pak System v2.3.3.0

Information on upgrading can be found here: https://www.ibm.com/support/pages/node/887959

Workarounds and Mitigations

Prevent untrusted, non-privileged containers from running with CAP_NET_RAW.