ESB-2017.2795 - [Linux] IBM Streams: Execute arbitrary code/commands - Remote with user interaction 2017-11-03

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2017.2795
         Security Bulletin: IBM Streams may be affected by XMLsoft
                          Libxml2 vulnerabilities
                              3 November 2017

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

Product:           IBM Streams
Publisher:         IBM
Operating System:  Linux variants
Impact/Access:     Execute Arbitrary Code/Commands -- Remote with User Interaction
                   Denial of Service               -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2015-8806  

Reference:         ASB-2016.0065
                   ESB-2017.2550
                   ESB-2017.0838
                   ESB-2016.2993
                   ESB-2016.1550

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=swg22010192

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Security Bulletin: IBM Streams may be affected by XMLsoft Libxml2 
vulnerabilities

Security Bulletin

Document information

More support for:

IBM Streams

Software version:

3.0, 3.1, 3.2, 3.2.1, 4.0, 4.0.1, 4.1, 4.1.1, 4.2, 4.2.1

Operating system(s):

Linux

Software edition:

All Editions

Reference #:

2010192

Modified date:

01 November 2017

Summary

The libxml2 library, used by IBM Streams may have security vulnerabilities. 
IBM Streams has addressed the applicable CVE.

Vulnerability Details

CVE-ID: CVE-2015-8806
Description: Libxml2 is vulnerable to a denial of service, caused by a heap- 
buffer overread in dict.c. By persuading a victim to open a specially crafted
file, a remote attacker could exploit this vulnerability to cause the 
application to crash.
CVSS Base Score: 4.300
CVSS Temporal Score:
https://exchange.xforce.ibmcloud.com/vulnerabilities/110613
for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)

Affected Products and Versions

The following versions may be impacted:

IBM Streams Version 4.2.1.2 and earlier
IBM InfoSphere Streams Version 4.1.1.4 and earlier
IBM InfoSphere Streams Version 4.0.1.4 and earlier
IBM InfoSphere Streams Version 3.2.1.6 and earlier
IBM InfoSphere Streams Version 3.1.0.8 and earlier
IBM InfoSphere Streams Version 3.0.0.6 and earlier

Remediation/Fixes

NOTE:

Fix Packs are available on IBM Fix Central.

To remediate/fix this issue, follow the instructions below:

Version 4.2.x: Apply 4.2.1 Fix Pack 3 (4.2.1.3) or higher.

Version 4.1.x: Apply 4.1.1 Fix Pack 5 (4.1.1.5) or higher.

Version 4.0.x: Apply 4.0.1 Fix Pack 5 (4.0.1.5) or higher.

Versions 3.2.x, 3.1.x, and 3.0.x: For versions earlier than 4.x.x, IBM 
recommends upgrading to a fixed, supported version/release/platform of the 
product. Customers who cannot upgrade and need to secure their installation 
should open a PMR with IBM Technical Support and request assistance securing 
their InfoSphere Streams system against the vulnerabilities identified in this
Security Bulletin.

Workarounds and Mitigations

None

References

Complete CVSS v3 Guide
On-line Calculator v3

Related information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

Created November 1, 2017

*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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