ESB-2019.1226 - [Linux] IBM Cloud Private: Provide misleading information - Remote with user interaction 2019-04-10

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2019.1226
        IBM Security Bulletin: IBM Cloud Private is vulnerable to a
                       host header injection attack
                               10 April 2019

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

Product:           IBM Cloud Private
Publisher:         IBM
Operating System:  Linux variants
Impact/Access:     Provide Misleading Information -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-1943  

Reference:         ESB-2019.0011

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=ibm10871656

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IBM Cloud Private is vulnerable to a host header injection attack

Product:             IBM Cloud Private

Software version:    3.1.0, 3.1.1

Operating system(s): Linux

Reference #:         0871656

Security Bulletin

Summary

IBM Cloud Private is vulnerable to a host header injection attack

Vulnerability Details

CVEID: CVE-2018-1943
DESCRIPTION: IBM Cloud Private is vulnerable to HTTP HOST header injection,
caused by improper validation of input. By persuading a victim to visit a
specially-crafted Web page, a remote attacker could exploit this vulnerability
to inject arbitrary HTTP headers, which will allow the attacker to conduct
various attacks against the vulnerable system, including cross-site scripting,
cache poisoning or session hijacking.
CVSS Base Score: 5.4
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
153385 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N)

Affected Products and Versions

IBM Cloud Private 3.1.0, 3.1.1

Remediation/Fixes

For IBM Cloud Private 3.1.0, apply these patches

  o IBM Cloud Private 3.1.0Kubernetes
  o IBM Cloud Private 3.1.0 Metering
  o IBM Cloud Private 3.1.0Vulnerability Advisor

For IBM Cloud Private 3.1.1, apply these patches

  o IBM Cloud Private 3.1.1 Kubernetes
  o IBM Cloud Private 3.1.1 Metering
  o IBM Cloud Private 3.1.1 Vulnerability Advisor

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

4 April 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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