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             AUSCERT External Security Bulletin Redistribution

                               ESB-2016.0258
          Security Bulletin: Multiple vulnerabilities in current
             releases of the IBM® SDK, Java Technology Edition
                              1 February 2016

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           IBM Runtimes for Java Technology
Publisher:         IBM
Operating System:  AIX
                   HP-UX
                   Linux variants
                   Solaris
                   Windows
Impact/Access:     Execute Arbitrary Code/Commands -- Remote/Unauthenticated      
                   Modify Arbitrary Files          -- Remote/Unauthenticated      
                   Access Privileged Data          -- Remote with User Interaction
                   Denial of Service               -- Remote/Unauthenticated      
                   Access Confidential Data        -- Remote/Unauthenticated      
                   Provide Misleading Information  -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2016-0494 CVE-2016-0483 CVE-2016-0475
                   CVE-2016-0466 CVE-2016-0448 CVE-2016-0402
                   CVE-2015-8540 CVE-2015-8472 CVE-2015-8126
                   CVE-2015-7981 CVE-2015-7575 CVE-2015-5041

Reference:         ASB-2016.0004
                   ESB-2016.0257
                   ESB-2016.0252
                   ESB-2016.0226
                   ESB-2016.0221
                   ESB-2016.0219
                   ESB-2016.0197
                   ESB-2016.0196

Original Bulletin: 
   http://www-01.ibm.com/support/docview.wss?uid=swg21974193

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Security Bulletin: Multiple vulnerabilities in current releases of the IBM 
SDK, Java Technology Edition

Document information

More support for:

Runtimes for Java Technology

Software version:

6.0, 6.1, 7.0, 7.1, 8.0

Operating system(s):

AIX, HP-UX, Linux, Solaris, Windows

Software edition:

Java SE

Reference #:

1974193

Modified date:

2016-01-29

Security Bulletin

Summary

Java SE issues disclosed in the Oracle January 2016 Critical Patch Update, 
plus three additional vulnerabilities.

Vulnerability Details

CVE IDs: CVE-2016-0494 CVE-2016-0483 CVE-2015-8126 CVE-2015-8472 CVE-2016-0475
CVE-2016-0466 CVE-2016-0402 CVE-2015-7575 CVE-2016-0448 CVE-2015-8540 
CVE-2015-7981 CVE-2015-5041

DESCRIPTION: This bulletin covers all applicable Java SE CVEs published by 
Oracle as part of their January 2016 Critical Patch Update. For more 
information please refer to Oracle's January 2016 CPU Advisory and the X-Force
database entries referenced below.

This bulletin also describes three additional vulnerabilities which affect IBM
SDK, Java Technology Edition.

CVEID: CVE-2016-0494

DESCRIPTION: An unspecified vulnerability related to the 2D 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/109944 for the current 
score

CVSS Environmental Score*: Undefined

CVSS Vector: (AV:N/AC:L/Au:N/C:C/I:C/A:C)

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)

CVEID: CVE-2015-8126

DESCRIPTION: libpng is vulnerable to a buffer overflow, caused by improper 
bounds checking by the png_set_PLTE() and png_get_PLTE() functions. By 
persuading a victim to open a specially-crafted PNG file, a remote attacker 
could overflow a buffer and execute arbitrary code on the system.

CVSS Base Score: 7.8

CVSS Temporal Score: See 
https://exchange.xforce.ibmcloud.com/vulnerabilities/108010 for the current 
score

CVSS Environmental Score*: Undefined

CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/UI:U/C:H/I:H/A:H)

CVEID: CVE-2015-8472

DESCRIPTION: libpng is vulnerable to a buffer overflow, caused by improper 
bounds checking by the png_get_PLTE() and png_set_PLTE() functions. By 
persuading a victim to open a specially crafted PNG image, a remote attacker 
could overflow a buffer and execute arbitrary code on the system or cause the
application to crash.

CVSS Base Score: 6.3

CVSS Temporal Score: See 
https://exchange.xforce.ibmcloud.com/vulnerabilities/109392 for the current 
score

CVSS Environmental Score*: Undefined

CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/UI:U/C:L/I:L/A:L)

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-2016-0402

DESCRIPTION: An unspecified vulnerability related to the Networking component
has no confidentiality impact, partial integrity impact, and no availability 
impact.

CVSS Base Score: 5

CVSS Temporal Score: See 
https://exchange.xforce.ibmcloud.com/vulnerabilities/109947 for the current 
score

CVSS Environmental Score*: Undefined

CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:P/A:N)

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.

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-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-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)

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-2015-5041

DESCRIPTION: A flaw in the IBM J9 JVM allows code to invoke non-public 
interface methods under certain circumstances. Untrusted code could 
potentially exploit this. This could lead to sensitive data being exposed to 
an attacker, or the attacker being able to inject bad data.

CVSS Base Score: 4.8

CVSS Temporal Score: See 
https://exchange.xforce.ibmcloud.com/vulnerabilities/106719 for the current 
score

CVSS Environmental Score*: Undefined

CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N)

Affected Products and Versions

These vulnerabilities affect IBM SDK, Java Technology Edition, Version 6 
Service Refresh 16 Fix Pack 15 and earlier releases

These vulnerabilities affect IBM SDK, Java Technology Edition, Version 6R1 
Service Refresh 8 Fix Pack 15 and earlier releases

These vulnerabilities affect IBM SDK, Java Technology Edition, Version 7 
Service Refresh 9 Fix Pack 20 and earlier releases

These vulnerabilities affect IBM SDK, Java Technology Edition, Version 7R1 
Service Refresh 3 Fix Pack 20 and earlier releases

These vulnerabilities affect IBM SDK, Java Technology Edition, Version 8 
Service Refresh 2 and earlier releases

Remediation/Fixes

The fixes for these vulnerabilities are included in IBM SDK, Java Technology 
Edition, Version 6 Service Refresh 16 Fix Pack 20 and subsequent releases

The fixes for these vulnerabilities are included in IBM SDK, Java Technology 
Edition, Version 6R1 Service Refresh 8 Fix Pack 20 and subsequent releases

The fixes for these vulnerabilities are included in IBM SDK, Java Technology 
Edition, Version 7 Service Refresh 9 Fix Pack 30 and subsequent releases

The fixes for these vulnerabilities are included in IBM SDK, Java Technology 
Edition, Version 7R1 Service Refresh 3 Fix Pack 30 and subsequent releases

The fixes for these vulnerabilities are included in IBM SDK, Java Technology 
Edition, Version 8 Service Refresh 2 Fix Pack 10 and subsequent releases

The fix for CVE-2015-7575 was also included in IBM SDK, Java Technology 
Edition, Version 6 Service Refresh 16 Fix Pack 16 (HP-UX platform only).

For detailed information on which CVEs affect which releases, please refer to
the IBM SDK, Java Technology Edition Security Alerts page.

IBM SDK, Java Technology Edition releases can be downloaded, subject to the 
terms of the developerWorks license, from here

IBM customers requiring an update for an SDK shipped with an IBM product 
should contact IBM support, and/or refer to the appropriate product security 
bulletin.

APAR numbers are as follows:

IV80580 (CVE-2016-0494)

IV80581 (CVE-2016-0483)

IV80579 (CVE-2015-8126 and CVE-2015-8472)

IV80582 (CVE-2016-0475)

IV80583 (CVE-2016-0466)

IV80584 (CVE-2016-0402)

IV80331 (CVE-2015-7575)

IV80585 (CVE-2016-0448)

IV80611 (CVE-2015-8540 and CVE-2015-7981)

IV72872 (CVE-2015-5041)

Workarounds and Mitigations

For CVE-2015-7575, users of Java 7 and later can address the issue by updating
the /jre/lib/security/java.security file as follows (both steps are required):

  Add MD5 to the jdk.certpath.disabledAlgorithms property - e.g. 
  jdk.certpath.disabledAlgorithms=MD2, RSA keySize < 1024, MD5

  Add MD5withRSA to the jdk.tls.disabledAlgorithms property - e.g. 
  jdk.tls.disabledAlgorithms=SSLv3, RC4, DH keySize < 768, MD5withRSA

Java 6 requires code changes in the JSSE component in addition to the 
java.security file modifications, so upgrading the JDK is the only solution.

Get Notified about Future Security Bulletins

Subscribe to My Notifications to be notified of important product support 
alerts like this.

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

Related information

IBM Secure Engineering Web Portal

IBM Product Security Incident Response Blog

Acknowledgement

CVE-2015-7575 was reported to IBM by Karthikeyan Bhargavan at INRIA in Paris,
France

Change History

27 January 2016: Original version published

29 January 2016: Fixed a typo in the mitigation instructions

*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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