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AUSCERT External Security Bulletin Redistribution
ESB-2016.0949
Security Bulletin: Multiple vulnerabilities in IBM Java SDK affect IBM
Tivoli / Security Directory Server January 2016 CPU
13 April 2016
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: IBM Security Directory Server
Publisher: IBM
Operating System: AIX
Linux variants
Solaris
Windows
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Modify Arbitrary Files -- Remote/Unauthenticated
Access Privileged Data -- Remote with User Interaction
Delete Arbitrary Files -- Remote/Unauthenticated
Denial of Service -- Remote/Unauthenticated
Provide Misleading Information -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2016-0475 CVE-2016-0466 CVE-2015-8540
CVE-2015-7981 CVE-2015-7575
Reference: ASB-2016.0004
ESB-2016.0908
ESB-2016.0907
ESB-2016.0046
ESB-2015.3085
ESB-2015.2856
Original Bulletin:
http://www.ibm.com/support/docview.wss?uid=swg21980379
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Security Bulletin: Multiple vulnerabilities in IBM Java SDK affect IBM
Tivoli / Security Directory Server January 2016 CPU
Document information
More support for:
IBM Security Directory Server
General
Software version:
6.3, 6.3.1, 6.4
Operating system(s):
AIX, Linux, Solaris, Windows
Reference #:
1980379
Modified date:
2016-04-12
Security Bulletin
Summary
There are multiple vulnerabilities in IBM SDK Java Technology Edition
that is shipped with IBM Tivoli/Security Directory Server. These issues
were disclosed as part of the IBM Java SDK updates in January 2016 and
includes the vulnerability commonly referred to as "SLOTH".
Vulnerability Details
This bulletin covers all applicable Java SE CVE's published by Oracle as
part of their January 2016 Critical Patch Update which affects IBM SDK,
Java Technology Edition. There are other advisories included in the IBM
Java SDK but IBM Tivoli/Security Directory Server is not vulnerable to
them. You will need to evaluate your own code to determine if you are
vulnerable. Please refer to the Reference section for more information on
the advisories not applicable to IBM Tivoli / Security Directory Server.
CVEID: CVE-2016-0475
DESCRIPTION: An unspecified vulnerability related to the Libraries
component has partial confidentiality impact, partial integrity impact,
and no availability impact.
CVSS Base Score: 5.8
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/109946 for the
current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:N/C:P/I:P/A:N)
CVEID: CVE-2016-0466
DESCRIPTION: An unspecified vulnerability related to the JAXP component
could allow a remote attacker to cause a denial of service.
CVSS Base Score: 5
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/109948 for the
current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P)
CVEID: CVE-2015-7575
DESCRIPTION: The TLS protocol could allow weaker than expected security
caused by a collision attack when using the MD5 hash function for signing a
ServerKeyExchange message during a TLS handshake. An attacker could exploit
this vulnerability using man-in-the-middle techniques to impersonate a
TLS server and obtain credentials. This vulnerability is commonly known as
"SLOTH".
CVSS Base Score: 7.1
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/109415 for the
current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/UI:U/C:H/I:L/A:N)
CVEID: CVE-2015-7981
DESCRIPTION: libpng could allow a remote attacker to obtain sensitive
information, caused by an out-of-bounds read in the png_convert_to_rfc1123
function. An attacker could exploit this vulnerability to obtain sensitive
information.
CVSS Base Score: 5.3
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/107740 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:N/A:N)
CVEID: CVE-2015-8540
DESCRIPTION: libpng is vulnerable to a buffer overflow, caused by a read
underflow in png_check_keyword in pngwutil.c. By sending an overly long
argument, a remote attacker could overflow a buffer and execute arbitrary
code on the system or cause the application to crash.
CVSS Base Score: 9.8
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/109219 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 Tivoli Directory Server Version 6.3.0.41 and earlier
IBM Security Directory Server Version 6.3.1.15 and earlier
IBM Security Directory Server Version 6.4.0.6 and earlier
Remediation/Fixes
Install one of the fixes listed below to upgrade the Java SDK
The fixes listed in the table below supply the proper Java SDK for the
various release levels of the affected products. Depending upon the product
and release level, these fixes will upgrade the Java SDK to one of:
IBM SDK, Java Technology Edition, Version 6 Service Refresh 16 Fix
Pack 20
ITDS 6.3 6.3.0.42-ISS-ISDS-IF0042
ISDS 6.3.1 6.3.1.17-ISS-ISDS-IF0017
ISDS 6.4 6.4.0.8-ISS-ISDS-IF0008
Workarounds and Mitigations
None
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References
Complete CVSS v2 Guide
On-line Calculator v2
Complete CVSS v3 Guide
On-line Calculator v3
Related information
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
*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.
Cross reference information
Segment Product
Security IBM Security Directory Suite
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