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AUSCERT External Security Bulletin Redistribution
Security Bulletin: IBM Streams may be affected by XMLsoft
3 November 2017
AusCERT Security Bulletin Summary
Product: IBM Streams
Operating System: Linux variants
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Denial of Service -- Remote with User Interaction
CVE Names: CVE-2015-8806
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Security Bulletin: IBM Streams may be affected by XMLsoft Libxml2
More support for:
3.0, 3.1, 3.2, 3.2.1, 4.0, 4.0.1, 4.1, 4.1.1, 4.2, 4.2.1
01 November 2017
The libxml2 library, used by IBM Streams may have security vulnerabilities.
IBM Streams has addressed the applicable CVE.
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:
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 220.127.116.11 and earlier
IBM InfoSphere Streams Version 18.104.22.168 and earlier
IBM InfoSphere Streams Version 22.214.171.124 and earlier
IBM InfoSphere Streams Version 126.96.36.199 and earlier
IBM InfoSphere Streams Version 188.8.131.52 and earlier
IBM InfoSphere Streams Version 184.108.40.206 and earlier
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 (220.127.116.11) or higher.
Version 4.1.x: Apply 4.1.1 Fix Pack 5 (18.104.22.168) or higher.
Version 4.0.x: Apply 4.0.1 Fix Pack 5 (22.214.171.124) 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
Workarounds and Mitigations
Complete CVSS v3 Guide
On-line Calculator v3
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
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.
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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