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AUSCERT External Security Bulletin Redistribution
ESB-2018.1309
Multiple vulnerabilities in Libxml2 affect IBM InfoSphere Identity Insight
30 April 2018
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AusCERT Security Bulletin Summary
---------------------------------
Product: IBM InfoSphere Identity Insight
Publisher: IBM
Operating System: AIX
Linux variants
Windows
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2017-16932 CVE-2017-16931
Reference: ESB-2017.3231
ESB-2017.3114
Original Bulletin:
http://www.ibm.com/support/docview.wss?uid=swg22015944
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Security Bulletin: Multiple vulnerabilities in Libxml2 affect IBM InfoSphere
Identity Insight.
Document information
More support for: InfoSphere Identity Insight
Software version: 9.0
Operating system(s): AIX, Linux, Windows
Reference #: 2015944
Modified date: 27 April 2018
Security Bulletin
Summary
Vulnerabilities have been addressed in the Libxml2 component of IBM InfoSphere
Identity Insight.
Vulnerability Details
CVEID: CVE-2017-16932
DESCRIPTION: Xmlsoft libxml2 is vulnerable to a denial of service, caused by an
infinite recursion issue in parameter entities. By sending a specially-crafted
request, a remote attacker could exploit this vulnerability to exhaust
available memory on the system.
CVSS Base Score: 7.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
135489 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
CVEID: CVE-2017-16931
DESCRIPTION: Xmlsoft libxml2 is vulnerable to a buffer overflow, caused by
improper handling of parameter-entity references in xmlParserHandlePEReference
function. By using a percent character in a DTD name, a remote attacker could
overflow a buffer and execute arbitrary code on the system.
CVSS Base Score: 7.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
135488 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
Affected Products and Versions
IBM InfoSphere Identity Insight 9.0.x
Remediation/Fixes
+---------------------------+---------------------------+-------------------------------------------------+
|Principal Product and |Affected Supporting Product|Fix Central Download Link |
|Version(s) |and Version | |
+---------------------------+---------------------------+-------------------------------------------------+
|IBM InfoSphere Identity |libxml2 | o AIX: isii_9.0.0.1_ifix001_aix71_p7 |
|Insight 9.0.x | | o Linux 64-bit, x86_64: |
| | | isii_9.0.0.1_ifix001_linux_x64 |
| | | o Linux 64-bit, pSeries: |
| | | isii_9.0.0.1_ifix001_linux_pwr8 |
| | | o Windows 64-bit: isii_9.0.0.1_ifix001_win_x64 |
+---------------------------+---------------------------+-------------------------------------------------+
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References
Complete CVSS v3 Guide
On-line Calculator v3
Related information
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
Change History
26 April 2018: 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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