ESB-2019.0833 - [Linux] IBM Cloud Private: Multiple vulnerabilities 2019-03-14

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2019.0833
        IBM Security Bulletin: Security Vulnerabilities affect IBM
              Cloud Private Management Ingress and Kubernetes
                               14 March 2019

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           IBM Cloud Private
Publisher:         IBM
Operating System:  Linux variants
Impact/Access:     Execute Arbitrary Code/Commands -- Existing Account
                   Create Arbitrary Files          -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-1000802 CVE-2018-10904 

Reference:         ESB-2018.3549.2
                   ESB-2018.2924
                   ESB-2019.0756

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=ibm10791595

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Security Vulnerabilities affect IBM Cloud Private Management Ingress and
Kubernetes

Product:             IBM Cloud Private

Software version:    3.1.1

Operating system(s): Linux

Reference #:         0791595

Security Bulletin

Summary

Security Vulnerabilities affect IBM Cloud Private Management Ingress and
Kubernetes

Vulnerability Details

CVEID: CVE-2018-10904
DESCRIPTION: glusterfs could allow a remote authenticated attacker to execute
arbitrary code on the system, caused by improper validation of file paths in
the trusted.io-stats-dump extended attribute. By sending a specially-crafted
request, an attacker could exploit this vulnerability to create files and
execute arbitrary code on the system.
CVSS Base Score: 8.8
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
149295 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)

CVEID: CVE-2018-1000802
DESCRIPTION: Python could allow a local attacker to execute arbitrary commands
on the system, caused by a flaw in the shutil module (make_archive function).
By using a specially-crafted file, an attacker could exploit this vulnerability
to execute arbitrary commands on the system.
CVSS Base Score: 8.4
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
150593 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

IBM Cloud Private 3.1.1

Remediation/Fixes

IBM Cloud Private 3.1.1 patch

  o Management Ingress
  o Kubernetes - Hyperkube

Workarounds and Mitigations

None

Reference

Complete CVSS v3 Guide
On-line Calculator v3

Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

12 March 2019 - original document published

*The CVSS Environment Score is customer environment specific and will
ultimately impact the Overall CVSS Score. Customers can evaluate the impact of
this vulnerability in their environments by accessing the links in the
Reference section of this Security Bulletin.

Disclaimer

According to the Forum of Incident Response and Security Teams (FIRST), the
Common Vulnerability Scoring System (CVSS) is an "industry open standard
designed to convey vulnerability severity and help to determine urgency and
priority of response." IBM PROVIDES THE CVSS SCORES ""AS IS"" WITHOUT WARRANTY
OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF
ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.

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