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AUSCERT External Security Bulletin Redistribution
ESB-2020.1628
Multiple Vulnerabilities in IBM Java SDK affect WebSphere
Application Server
8 May 2020
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AusCERT Security Bulletin Summary
---------------------------------
Product: WebSphere Application Server
Publisher: IBM
Operating System: Linux variants
Mac OS
z/OS
Solaris
HP-UX
IBM i
Impact/Access: Access Privileged Data -- Remote/Unauthenticated
Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2020-2800 CVE-2020-2781 CVE-2020-2755
CVE-2020-2754 CVE-2020-2654 CVE-2019-2949
Reference: ASB-2020.0076
ESB-2020.1582
ESB-2020.1468
ESB-2020.1460
ESB-2020.1451
ESB-2020.1439
Original Bulletin:
https://www.ibm.com/support/pages/node/6206850
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Multiple Vulnerabilities in IBM Java SDK affect WebSphere Application Server
April 2020 CPU plus deferred CVE-2019-2949 and CVE-2020-2654
Security Bulletin
Summary
There are multiple vulnerabilities in the IBM SDK, Java Technology Edition that
is shipped with IBM WebSphere Application Server. These might affect some
configurations of IBM WebSphere Application Server Traditional, IBM WebSphere
Application Server Liberty and IBM WebSphere Application Server Hypervisor
Edition. These products have addressed the applicable CVEs. 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 is
applicable to your code. For a complete list of vulnerabilities, 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.
Vulnerability Details
CVEID: CVE-2020-2654
DESCRIPTION: An unspecified vulnerability in Java SE related to the Java SE
Libraries component could allow an unauthenticated attacker to cause a denial
of service resulting in a low availability impact using unknown attack vectors.
CVSS Base score: 3.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/
174601 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L)
CVEID: CVE-2020-2781
DESCRIPTION: An unspecified vulnerability in Java SE related to the Java SE
JSSE component could allow an unauthenticated attacker to cause a denial of
service resulting in a low availability impact using unknown attack vectors.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/
179681 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
CVEID: CVE-2020-2800
DESCRIPTION: An unspecified vulnerability in Java SE related to the Java SE
Lightweight HTTP Server component could allow an unauthenticated attacker to
cause low confidentiality impact, low integrity impact, and no availability
impact.
CVSS Base score: 4.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/
179698 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N)
CVEID: CVE-2020-2755
DESCRIPTION: An unspecified vulnerability in Java SE related to the Java SE
Scripting component could allow an unauthenticated attacker to cause a denial
of service resulting in a low availability impact using unknown attack vectors.
CVSS Base score: 3.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/
179655 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L)
CVEID: CVE-2020-2754
DESCRIPTION: An unspecified vulnerability in Java SE related to the Java SE
Scripting component could allow an unauthenticated attacker to cause a denial
of service resulting in a low availability impact using unknown attack vectors.
CVSS Base score: 3.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/
179654 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L)
CVEID: CVE-2019-2949
DESCRIPTION: An unspecified vulnerability in Java SE related to the Kerberos
component could allow an unauthenticated attacker to obtain sensitive
information resulting in a high confidentiality impact using unknown attack
vectors.
CVSS Base score: 6.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/
169254 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N)
Affected Products and Versions
+------------------------------------+-------------------+
|Affected Product(s) |Version(s) |
+------------------------------------+-------------------+
|WebSphere Application Server |9.0 |
+------------------------------------+-------------------+
|WebSphere Application Server |8.5 |
+------------------------------------+-------------------+
|WebSphere Application Server Liberty|Continuous delivery|
+------------------------------------+-------------------+
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:
Upgrade to IBM SDK, Java Technology Edition Version 8 SR6 FP10, 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 6
FP10 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 8.5.5.17 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
o Apply interim fix PH24914 : Will upgrade you to IBM SDK, Java Technology
Edition, Version 7 Service Refresh 10 Fix Pack 65.
For IBM SDK Java Technology Edition Version 7R1
o Apply interim fix PH24913 : Will upgrade you to IBM SDK, Java Technology
Edition, Version 7R1 Service Refresh 4 Fix Pack 65.
For IBM SDK Java Technology Edition Version 8 SR6 FP10
o Apply interim fix PH24910 : Will upgrade you to IBM SDK, Java Technology
Edition, Version 8 Service Refresh 6 FP10.
o 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 PH24911 : Will upgrade you to IBM SDK, Java
Technology Edition, Version 8 Service Refresh 6 FP10.
OR
o Apply IBM Java SDK shipped with WebSphere Application Server Fix pack 18
(8.5.5.18) or later (targeted availability 3Q 2020).
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.
Workarounds and Mitigations
None
Get Notified about Future Security Bulletins
References
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