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AUSCERT External Security Bulletin Redistribution
ESB-2016.0303
Multiple vulnerabilities in IBM Java SDK affect Multiple
vulnerabilities in IBM Java SDK affect WebSphere Portal
5 February 2016
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AusCERT Security Bulletin Summary
---------------------------------
Product: IBM WebSphere Portal
Publisher: IBM
Operating System: HP-UX
IBM i
Linux variants
Solaris
Windows
z/OS
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Access Privileged Data -- Remote/Unauthenticated
Modify Arbitrary Files -- Remote/Unauthenticated
Denial of Service -- Remote/Unauthenticated
Provide Misleading Information -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2016-0483 CVE-2016-0475 CVE-2016-0466
CVE-2016-0448 CVE-2015-7575
Reference: ASB-2016.0004
Original Bulletin:
http://www.ibm.com/support/docview.wss?uid=swg21975918
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Security Bulletin: Multiple vulnerabilities in IBM Java SDK affect WebSphere
Portal (CVE-2015-7575, CVE-2016-0448, CVE-2016-0466, CVE-2016-0475,
CVE-2016-0483)
Security Bulletin
Document information
More support for:
WebSphere Portal
Software version:
6.1, 7.0, 8.0, 8.5
Operating system(s):
HP-UX, IBM i, Linux, Solaris, Windows, z/OS
Reference #:
1975918
Modified date:
2016-02-03
Summary
There are multiple vulnerabilities in IBM SDK Java Technology Edition that is
shipped with IBM WebSphere Application Server which is shipped with IBM
WebSphere Portal. These issues were disclosed as part of the IBM Java SDK
updates in January 2016 and include the vulnerability commonly referred to as
"SLOTH".
Vulnerability Details
This bulletin covers all applicable Java SE CVEs published by Oracle as part
of their January 2016 Critical Patch Update which affect IBM SDK, Java
Technology Edition. There are other advisories included in the IBM Java SDK
but WebSphere Portal 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 WebSphere Portal Server.
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/S:U/C:H/I:L/A:N)
CVEID:
CVE-2016-0448
DESCRIPTION:
An unspecified vulnerability related to the JMX component could allow a
remote attacker to obtain sensitive information.
CVSS Base Score: 4
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/109949
for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:S/C:P/I:N/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-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-2016-0483
DESCRIPTION:
An unspecified vulnerability related to the AWT component has complete
confidentiality impact, complete integrity impact, and complete availability
impact.
CVSS Base Score: 10
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/109945
for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:C/I:C/A:C)
Affected Products and Versions
WebSphere Portal 8.5
WebSphere Portal 8.0
WebSphere Portal 7.0
WebSphere Portal 6.1
For unsupported versions IBM recommends upgrading to a fixed, supported
version of the product.
Remediation/Fixes
The recommended solution is to apply the latest available maintenance to the
Java SDK as soon as practical.
Fix:
Upgrade the SDK per WebSphere Application Server as described in
Security Bulletin: Multiple vulnerabilities in IBM Java SDK affect WebSphere
Application Server January 2016 CPU (CVE-2016-0475, CVE-2016-0466,
CVE-2015-7575, CVE-2016-0448)
For V8.5.0.0
Upgrade the SDK
For 8 through 8.0.0.1
Upgrade the SDK
For 7.0.0 through 7.0.0.2
Upgrade the SDK
For 6.1.5.0 through 6.1.5.3
Upgrade the SDK
For 6.1.0.0 through 6.1.0.6
Upgrade the SDK
Workarounds and Mitigations
None.
Get Notified about Future Security Bulletins
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Important note
IBM strongly suggests that all System z customers be subscribed to the System
z Security Portal to receive the latest critical System z security and
integrity service. If you are not subscribed, see the instructions on the
System z Security web site
Security and integrity APARs and associated fixes will be posted to this
portal. IBM suggests reviewing the CVSS scores and applying all security or
integrity fixes as soon as possible to minimize any potential risk.
References
Complete CVSS v2 Guide
On-line Calculator v2
Complete CVSS v3 Guide
On-line Calculator v3
Oracle's January 2016 CPU Advisory
IBM SDK, Java Technology Edition Security Alerts page
Related information
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
Change History
3 February 2016: 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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