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             AUSCERT External Security Bulletin Redistribution

                               ESB-2015.2955
      Vulnerability in Apache Commons affects IBM Algo Credit Manager
                             27 November 2015

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

Product:           IBM Algo Credit Manager
Publisher:         IBM
Operating System:  AIX
                   Linux variants
                   Windows
Impact/Access:     Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2015-7450  

Reference:         ASB-2015.0108.2

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=swg21971239

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Security Bulletin: Vulnerability in Apache Commons affects IBM Algo Credit 
Manager (CVE-2015-7450)

Security Bulletin

Document information

More support for:

Algo Credit Manager

Software version:

5.2, 5.3

Operating system(s):

AIX, Linux, Windows

Reference #:

1971239

Modified date:

2015-11-24

Summary

An Apache Commons Collections vulnerability for handling Java object 
deserialization was addressed by IBM Algo Credit Manager

Vulnerability Details

CVEID: CVE-2015-7450

DESCRIPTION: Apache Commons Collections could allow a remote attacker to 
execute arbitrary code on the system, caused by the deserialization of data 
with Java InvokerTransformer class. By sending specially crafted data, an 
attacker could exploit this vulnerability to execute arbitrary Java code on 
the system.

CVSS Base Score: 9.8

CVSS Temporal Score: See 
https://exchange.xforce.ibmcloud.com/vulnerabilities/107918 for the current 
score

CVSS Environmental Score*: Undefined

CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

IBM Algo Credit Manager 5.2 and 5.3

Remediation/Fixes

A fix has been created for version 5.2 of the named product. Download and 
install the fix as soon as practicable. Fix and installation instructions are
provided at the URL listed below.

Patch Number		Download URL

ACM 5.2.0.4 IF1		http://www.ibm.com/support/fixcentral/swg/quickorder?parent=ibm~Information+Management&product=ibm/Information+Management/Algo+Credit+Manager&release=All&platform=All&function=fixId&fixids=5.2.0.4-Algo-CreditMgr-IF0001:0&includeSupersedes=0&source=fc&login=true

ACM 5.3.0.1		Link to the fix will be here as soon as the patch is available

For versions prior to 5.2 IBM recommends upgrading to a fixed, supported 
version/release/platform of the product.

IBM recommends that you review your entire environment to identify vulnerable
releases of the open-source Apache Commons Collections and take appropriate 
mitigation and remediation actions.

Workarounds and Mitigations

None

Get Notified about Future Security Bulletins

Subscribe to My Notifications to be notified of important product support 
alerts like this.

References

Complete CVSS v3 Guide

On-line Calculator v3

Related information

IBM Secure Engineering Web Portal

IBM Product Security Incident Response Blog

Acknowledgement

None

Change History

23 November 2015: Original version 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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