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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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