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Security Bulletin: IBM Maximo Asset Management is vulnerable to Information Disclosure (CVE-2020-4463)

Security Bulletin


Summary

IBM Maximo Asset Management is vulnerable to Information Disclosure.

Vulnerability Details

CVEID:   CVE-2020-4463
DESCRIPTION:   IBM Maximo Asset Management is vulnerable to an XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources.
CVSS Base score: 8.2
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/181484 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L)

Affected Products and Versions

This vulnerability affects the following versions of the IBM Maximo Asset Management core product.  Older versions of Maximo Asset Management may be impacted. The recommended action is to update to the latest version.

Maximo Asset Management core product versions affected:

Affected Product(s)Version(s)
IBM Maximo Asset Management7.6.0
IBM Maximo Asset Management7.6.1

 

Industry Solutions products affected if using an affected core version:
Maximo for Aviation
Maximo for Life Sciences
Maximo for Nuclear Power
Maximo for Oil and Gas
Maximo for Transportation
Maximo for Utilities

IBM Control Desk products affected if using an affected core version:
SmartCloud Control Desk
IBM Control Desk
Tivoli Integration Composer

* To determine the core product version, log in and view System Information. The core product version is the "Tivoli's process automation engine" version. Please consult the Product Coexistence Matrix for a list of supported product combinations.


Remediation/Fixes

The recommended solution is to download the appropriate Interim Fix or Fix Pack from Fix Central (What is Fix Central?) and apply for each affected product as soon as possible. Please see below for information on the fixes available for each product, version, and release. Follow the installation instructions in the ‘readme’ documentation provided with each fix pack or interim fix.

For Maximo Asset Management 7.6:

VRMFix Pack, Feature Pack, or Interim FixDownload
7.6.1.2Maximo Asset Management 7.6.1.2 Feature Pack:
7.6.1.2-TIV-MAMMT-FP002or latest Interim Fix available
FixCentral
prior versions to 7.6.1.2See Work Arounds and Mitigations 

Workarounds and Mitigations

There is a configuration in MIF that can stop these xml external entities from getting resolved 
1. Go to System Properties application and create a new property mxe.int.resolvexmlextentity
2. Set the value for that property to 0
3. Live refresh the property value

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References

Off

Acknowledgement

The vulnerability was reported to IBM by Michael Wollner

Change History

13 May 2020: Initial Publication

*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.

Document Location

Worldwide

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Document Information

Modified date:
28 July 2020

UID

ibm16253953