Security Bulletin: IBM SDK, Java Technology Edition Quarterly CPU - Oct 2020 and Jan 2021

Summary

There are multiple vulnerabilities in IBM® SDK Java™ Technology Edition, Versions 8** that are used by Rational Software Architect Designer and Rational Software Architect Designer for Websphere Software. These issues were disclosed as part of the IBM Java SDK updates in Oct 2020 and Jan 2021

Vulnerability Details

CVEID:CVE-2020-14797
**DESCRIPTION:**An unspecified vulnerability in Java SE related to the Libraries component could allow an unauthenticated attacker to cause no confidentiality impact, low integrity impact, and no availability impact.
CVSS Base score: 3.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/190115 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N)

CVEID:CVE-2020-14779
**DESCRIPTION:**An unspecified vulnerability in Java SE related to the Serialization 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/190097 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-2020-27221
**DESCRIPTION:**Eclipse OpenJ9 is vulnerable to a stack-based buffer overflow when the virtual machine or JNI natives are converting from UTF-8 characters to platform encoding. By sending an overly long string, 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/195353 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

CVEID:CVE-2020-2773
**DESCRIPTION:**An unspecified vulnerability in Java SE related to the Java SE Security 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/179673 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-2020-14781
**DESCRIPTION:**An unspecified vulnerability in Java SE related to the JNDI component could allow an unauthenticated attacker to obtain sensitive information resulting in a low confidentiality impact using unknown attack vectors.
CVSS Base score: 3.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/190099 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N)

CVEID:CVE-2020-14782
**DESCRIPTION:**An unspecified vulnerability in Java SE related to the Libraries component could allow an unauthenticated attacker to cause no confidentiality impact, low integrity impact, and no availability impact.
CVSS Base score: 3.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/190100 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N)

Affected Products and Versions

Remediation/Fixes

Update the IBM SDK, Java Technology Edition of the product to address this vulnerability:

9.7 to 9.7.0.3
9.6 to 9.6.1.4

| IBM Java SDK/JRE 8 SR6 FP25 IFixes
Rational Software Architect Designer for WebSphere Software (RSAD4WS)|

9.7 to 9.7.0.3
9.6 to 9.6.1.4

| IBM Java SDK/JRE 8 SR6 FP25 IFixes

Installation Instructions:

For instructions on installing this update using Installation Manager, review the topic Updating Installed Product Packages in the IBM Knowledge Center.

Instructions to download and install the update from the compressed files:

1. Download the update files from Fix Central by following the link listed in the download table above

2. Extract the compressed files in an appropriate directory.

For example, choose to extract to C:\temp\update

3. Start IBM Installation Manager.

4. On the Start page of Installation Manager, click File > Preferences, and then clickRepositories. The Repositories page opens.

5. On the Repositories page, click Add Repository.

6. In the Add repository window, browse to or enter the file path to the repository.config file, which is located in the directory where you extracted the compressed files and then click OK.

For example, enter C:\temp\update\repository.config.

7. Click OK to close the Preference page.

8. Install the update as described in the the topic Updating Installed Product Packages in the IBM Knowledge Center for your product and version.

Workarounds and Mitigations

None