ESB-2018.0523 - [Win][Linux][HP-UX][Solaris][AIX] IBM Transformation Extender Advanced: Denial of service - Existing account 2018-02-22

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.0523
           IBM Transformation Extender Advanced security update
                             22 February 2018

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

Product:           IBM Transformation Extender Advanced
Publisher:         IBM
Operating System:  Windows
                   Linux variants
                   Solaris
                   AIX
                   HP-UX
Impact/Access:     Denial of Service        -- Existing Account
                   Access Confidential Data -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2017-1758  

Reference:         ESB-2018.0521.2

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=swg22013432

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Security Bulletin: IBM Transformation Extender Advanced


Document information

More support for: Transformation Extender Advanced

Software version: 9.0

Operating system(s): AIX, HP-UX, Linux, Solaris, Windows

Reference #: 2013432

Modified date: 19 February 2018


Security Bulletin: IBM Transformation Extender Advanced is Potentially
Vulnerable to an XML External Entity (XXE) Injection in its REST API.


Summary

IBM 10x framework used by IBM Transformation Extender Advanced REST API is
vulnerable to XXE injection. The vulnerability was reported by IBM Financial
Transaction Manager for ACH Services for Multi-Platform which also uses the IBM
10x framework.

Vulnerability Details

CVEID: CVE-2017-1758
DESCRIPTION: IBM Financial Transaction Manager for ACH Services for
Multi-Platform is vulnerable to a 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: 7.1
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
135859 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:N/A:L)

Affected Products and Versions

IBM Transformation Extender Advanced 9.0

Remediation/Fixes

+--------------------------------+---------+--------+---------------------------------------------+
|            Product             |  VRMF   |  APAR  |           Remediation / First Fix           |
+--------------------------------+---------+--------+---------------------------------------------+
|IBM Transformation Extender     |9.0.0.8  |None    |9.0.0.8 available on Fix Central             |
|Advanced                        |         |        |                                             |
+--------------------------------+---------+--------+---------------------------------------------+

Workarounds and Mitigations

None

Get Notified about Future Security Bulletins

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alerts like this.

Important note

IBM strongly suggests that all System z customers be subscribed to the System z
Security Portal to receive the latest critical System z security and integrity
service. If you are not subscribed, see the instructions on the System z
Security web site. Security and integrity APARs and associated fixes will be
posted to this portal. IBM suggests reviewing the CVSS scores and applying all
security or integrity fixes as soon as possible to minimize any potential risk.

References

Complete CVSS v3 Guide
On-line Calculator v3


Related information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog


*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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