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Security Bulletin: Multiple vulnerabilities in IBM Java SDK and IBM Java Runtime affect TPF Toolkit

Security Bulletin


Summary

There are multiple vulnerabilities in IBM® SDK Java™ Technology Edition and IBM® Runtime Environment Java™ used by TPF Toolkit. TPF Toolkit has addressed the applicable CVEs.

Vulnerability Details

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)

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)

Affected Products and Versions

Affected Product(s)Version(s)
TPF Toolkit4.6
TPF Toolkit4.2

Note: TPF Toolkit 4.2 is impacted only by CVE-2020-14782.


Remediation/Fixes

ProductVRMFAPARRemediation/First Fix
TPF Toolkit4.6None Apply the appropriate fix from Fix Central for your platform:
TPF Toolkit4.2JR63391
  1. Install the latest version of IBM Installation Manager.
  2. Apply Interim Fix 4.2.20 by using IBM Installation Manager.
  3. Update the Java installation on the z/OS system or Linux on Z system (or both) that the TPF Toolkit connects to. Download the latest version of Java from http://www.ibm.com/developerworks/java/jdk/

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

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Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

IBM Java SDK Security Bulletin (CVE-2020-14782)

IBM Java SDK Security Bulletin (CVE-2020-27221)

Change History

05 Mar 2021: Initial Publication

*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

Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

Document Location

Worldwide

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Document Information

Modified date:
05 March 2021

UID

ibm16425015

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