Security Bulletin: Multiple Vulnerabilities in IBM® Java SDK affect WebSphere Application Server April 2020 CPU plus deferred CVE-2019-2949 and CVE-2020-2654

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

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

• 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

• 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

• Apply interim fix PH24910: Will upgrade you to IBM SDK, Java Technology Edition, Version 8 Service Refresh 6 FP10.
• 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

• 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