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Security Bulletin: Multiple Vulnerabilities in IBM® Java SDK affects WebSphere Application Server April 2018 CPU

Security Bulletin


Summary


There are multiple vulnerabiltities in the IBM® SDK Java™ Technology Edition that is shipped with IBM WebSphere Application Server. These issues were disclosed as part of the IBM Java SDK updates in April 2018. These may affect some configurations of IBM WebSphere Application Server Traditional, IBM WebSphere Application Server Liberty and IBM WebSphere Application Server Hypervisor Edition.

Vulnerability Details

If you run your own Java code using the IBM Java Runtime delivered with this product, you should evaluate your code to determine whether the complete list of vulnerabilities are applicable to your code. For a complete list of vulnerabilities please refer to the link for “IBM Java SDK Security Bulletin" located in the References section for more information.
HP fixes are on a delayed schedule.

CVEID: CVE-2018-2783
DESCRIPTION:
 An unspecified vulnerability related to the Java SE Security component could allow an unauthenticated attacker to cause high confidentiality impact, high integrity impact, and no availability impact.
CVSS Base Score: 7.4
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/141939 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N)

CVEID: CVE-2018-2800
DESCRIPTION:
 An unspecified vulnerability related to the Java SE RMI component could allow an unauthenticated attacker to cause low confidentiality impact, low integrity impact, and no availability impact.
CVSS Base Score: 4.2
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/141956 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N)

Affected Products and Versions

IBM SDK, Java Technology Editions shipped with WebSphere Application Server Liberty through 18.0.0.1. IBM SDK, Java Technology Editions shipped with IBM WebSphere Application Server Traditional Version 9.0.0.0 through 9.0.0.7, 8.5.0.0 through 8.5.5.13, Version 8.0.0.0 through 8.0.0.15, Version 7.0.0.0 through 7.0.0.45.

  • This does not occur on IBM SDK, Java Technology Editions that are shipped with WebSphere Application Server Fix Packs 18.0.0.2, 9.0.0.8, 8.5.5.14 or later.

Remediation/Fixes

Download and apply the interim fix APARs below, for your appropriate release

NOTE:
The April update added a new security property. This property will be set progamatically for WebSphere Application Server traditional versions 8.5, 8.0 and 7.0 running Java SDK versions 6, 6R1, 7.0 or 7R1. This will require the installation of interim fix PI97281. The property does not need to be addressed by WebSphere Application Server for Liberty or when running Java SDK version 8.

For the IBM Java SDK updates:

For WebSphere Application Server Liberty:

For the IBM SDK, Java Technology Version that you use, upgrade to WebSphere Application Server Liberty Fix Packs as noted below or later fix pack level and apply one of the interim fixes below:

  • Upgrade to WebSphere Application Server Liberty Fix Pack 8.5.5.1 or later then apply Interim Fix PI96294: Will upgrade you to IBM SDK, Java Technology Edition, Version 6R1 Service Refresh 8 Fix Pack 65
  • Upgrade to WebSphere Application Server Liberty Fix Pack 8.5.5.1 or later then apply Interim Fix PI96290: Will upgrade you to IBM SDK, Java Technology Edition, Version 7 Service Refresh 10 FP25
  • For IBM SDK, Java Technology Edition Version 7R1 and IBM SDK, Java Technology Edition Version 8, please refer to IBM Java SDKs for Liberty
    --OR--
  • Apply IBM Java SDK shipped with WebSphere Application Server Liberty (18.0.0.2) or later (targeted availability 2Q2018).
For Version 9 WebSphere Application Server Traditional:

Update the IBM SDK, Java Technology Edition using the instructions in the IBM Knowledge Center Installing and updating IBM SDK, Java Technology Edition on distributed environments then use the IBM Installation manager to access the online product repositories to install the SDK or use IBM Installation manager and access the packages from Fixcentral.


For V8.5.0.0 through 8.5.5.13 WebSphere Application Server Traditional and WebSphere Application Server Hypervisor Edition:

For information on the IBM Java SDK that is now bundled with WebSphere Application Server Version 8.5.5 refer to the Knowledge Center link in the References section.

For the IBM SDK, Java Technology Version that you use, upgrade to WebSphere Application Server Fix Packs as noted below or later fix pack level and apply the interim fixes as noted below:

For IBM SDK Java Technology Edition Version 6R1

  • Upgrade to WebSphere Application Server Traditional Fix Pack 8.5.5.12 or later then apply Interim Fix PI97281.
  • Then apply Interim Fix PI96292: Will upgrade you to IBM SDK, Java Technology Edition, Version 6R1 Service Refresh 8 Fix Pack 65

For IBM SDK Java Technology Edition Version 7
  • Upgrade to WebSphere Application Server Traditional Fix Pack 8.5.5.12 or later then apply Interim Fix PI97281.
  • Then apply Interim Fix PI96290: Will upgrade you to IBM SDK, Java Technology Edition, Version 7 Service Refresh 10 FP25

For IBM SDK Java Technology Edition Version 7R1
  • Upgrade to WebSphere Application Server Traditional Fix Pack 8.5.5.12 or later then apply Interim Fix PI97281.
  • Then apply Interim Fix PI96289: Will upgrade you to IBM SDK, Java Technology Edition, Version 7R1 Service Refresh 4 FP25

For IBM SDK Java Technology Edition Version 8
  • Upgrade to WebSphere Application Server Traditional Fix Pack 8.5.5.9 or later then apply Interim Fix PI96286: Will upgrade you to IBM SDK, Java Technology Edition, Version 8 Service Refresh 5 FP15
  • For environnments that have been upgraded to use the new default IBM SDK Version 8 bundled with WebSphere Application Server Fix Pack 8.5.5.11 or later: Apply Interim Fix PI96287: Will upgrade you to IBM SDK, Java Technology Edition, Version 8 Service Refresh 5 FP15
--OR--
  • Apply IBM Java SDK shipped with WebSphere Application Server Fix pack 14 (8.5.5.14) or later (targeted availability 3Q 2018).


For V8.0.0.0 through 8.0.0.15 WebSphere Application Server and WebSphere Application Server Hypervisor Edition:

Upgrade to WebSphere Application Server Fix Pack 8.0.0.14 or later then apply the interim fixes below:

  • Apply Interim Fix PI97281
  • Then apply Interim Fix PI96295: Will upgrade you to IBM SDK, Java Technology Edition, Version 6R1 Service Refresh 8 Fix Pack 65

For V7.0.0.0 through 7.0.0.45 WebSphere Application Server and WebSphere Application Server Hypervisor Edition:

Upgrade to WebSphere Application Server Fix Pack 7.0.0.43 or later then apply the interim fix below:

  • Apply Interim Fix PI97281
  • Then apply Interim Fix PI96297: Will upgrade you to IBM SDK, Java Technology Edition, Version 6 Service Refresh 16 Fix Pack 65


WebSphere Application Server V7 and V8 are no longer in full support; IBM recommends upgrading to a fixed, supported version/release/platform of the product.

Get Notified about Future Security Bulletins

References

Complete CVSS v3 Guide
On-line Calculator v3

Related information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

23 May 2018: original document 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.

Related information

A Japanese translation is available

Document information

More support for: WebSphere Application Server
Java SDK

Software version: 7.0, 8.0, 8.5, 9.0

Operating system(s): AIX, HP-UX, IBM i, Linux, Solaris, Windows, z/OS

Software edition: Advanced, Base, Developer, Enterprise, Express, Liberty, Network Deployment, Single Server

Reference #: 2016282

Modified date: 23 May 2018


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