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AUSCERT External Security Bulletin Redistribution
ESB-2019.1549
Multiple vulnerabilities in IBM Java SDK affect WebSphere
Application Server (April 2019 CPU)
3 May 2019
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AusCERT Security Bulletin Summary
---------------------------------
Product: IBM WebSphere Application Server
Publisher: IBM
Operating System: AIX
HP-UX
IBM i
Linux variants
Solaris
Windows
z/OS
Impact/Access: Modify Arbitrary Files -- Remote/Unauthenticated
Denial of Service -- Remote/Unauthenticated
Access Confidential Data -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2019-2684 CVE-2019-2602
Reference: ASB-2019.0118
ESB-2019.1495
ESB-2019.1361
ESB-2019.1344
Original Bulletin:
https://www.ibm.com/support/docview.wss?uid=ibm10883126
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Security Bulletin: Multiple Vulnerabilities in IBM Java SDK affect WebSphere
Application Server April 2019 CPU
Document information
Software version: 7.0, 8.0, 8.5, 9.0, Liberty
Operating system(s): AIX, HP-UX, IBM i, Linux, Solaris, Windows, z/OS
Software edition: Advanced, Application Client, Base, Developer, Enterprise,
Express, Liberty, Network Deployment, Single Server
Reference #: 0883126
Modified date: 02 May 2019
Summary
There are multiple vulnerabilities in the IBM SDK Java Technology Edition
that is shipped with IBM WebSphere Application Server. 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-2019-2602
DESCRIPTION: An unspecified vulnerability related to the Java SE Libraries
component could allow an unauthenticated attacker to cause a denial of service
resulting in a high availability impact using unknown attack vectors.
CVSS Base Score: 7.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
159698 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-2019-2684
DESCRIPTION: An unspecified vulnerability related to the Java SE RMI component
could allow an unauthenticated attacker to cause no confidentiality impact,
high integrity impact, and no availability impact.
CVSS Base Score: 5.9
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
159776 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N)
Affected Products and Versions
IBM SDK, Java Technology Editions used with WebSphere Application Server
Liberty
IBM SDK, Java Technology Editions used with IBM WebSphere Application Server
Traditional Version 9.0.0.0 through 9.0.0.11, 8.5.0.0 through 8.5.5.15.
IBM SDK, Java Technology Editions shipped in Application Client for IBM
WebSphere Application Server Version 9.0.0.0 through 9.0.0.11, 8.5.0.0 through
8.5.5.15.
Remediation/Fixes
Download and apply the interim fix APARs below, for your appropriate release
For the IBM Java SDK updates:
For WebSphere Application Server Liberty:
For the IBM SDK, Java Technology Version that you use, apply one of the interim
fixes below:
* Apply Interim Fix PH11179: Will upgrade you to IBM SDK, Java Technology
Edition, Version 7 Service Refresh 10 Fix Pack 45
* Upgrade to IBM SDK, Java Technology Edition Version 7R1 SR4 FP45 or IBM
SDK, Java Technology Edition Version 8 SR5 FP35, please refer to IBM Java
SDKs for Liberty
For Version 9 WebSphere Application Server Traditional:
Update to the IBM SDK, Java Technology Edition, Version 8 Service Refresh 5 Fix
Pack 35 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 8.5.5.15 WebSphere Application Server Traditional and
WebSphere Application Server Hypervisor Edition:
For the IBM SDK, Java Technology Version that you use, upgrade to the minimal
fix pack level of WebSphere Application Server as noted in the interim fix
below then apply the interim fixes:
For IBM SDK Java Technology Edition Version 7
* Apply Interim Fix PH11179: Will upgrade you to IBM SDK, Java Technology
Edition, Version 7 Service Refresh 10 Fix Pack 45
For IBM SDK Java Technology Edition Version 7R1
* Apply Interim Fix PH11178: Will upgrade you to IBM SDK, Java Technology
Edition, Version 7R1 Service Refresh 4 Fix Pack 45
For IBM SDK Java Technology Edition Version 8
* Apply Interim Fix PH11175: Will upgrade you to IBM SDK, Java Technology
Edition, Version 8 Service Refresh 5 Fix Pack 35
* For environments 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 PH11176: Will upgrade you to IBM SDK, Java
Technology Edition, Version 8 Service Refresh 5 Fix Pack 35
- --OR--
* Apply IBM Java SDK shipped with WebSphere Application Server Fix pack 16
(8.5.5.16) or later (targeted availability 3Q 2019).
For Application Client for WebSphere Application Server:
Follow instructions above for the WebSphere Application Server to download the
Interim Fix needed for your version of the Application client.
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.
Change History
02 May 2019: original bulletin published
02 May 2019: fixed issue so CVE's were visible
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