Security Bulletin: Multiple Vulnerabilities in IBM Java SDK affect IBM Virtualization Engine TS7700 - October 2020 & January 2021

Summary

There are multiple vulnerabilities in IBM® SDKs Java™ Technology Edition, Versions 7 and 8, as used by IBM Virtualization Engine TS7700. These issues were disclosed as part of the IBM Java SDK updates in October 2020 and January 2021. IBM Virtualization Engine TS7700 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)

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)

Affected Products and Versions

All versions of microcode for the IBM Virtualization Engine TS7700 (3957-VEC and 3957-VED) prior to and including the following are affected:

Remediation/Fixes

Contact IBM Service at 1-800-IBM-SERV to arrange an upgrade to the latest microcode version followed by the installation of VTD_EXEC.269 as needed. Minimum microcode versions are shown below:

Upgrade to 8.42.2.12 + VTD_EXEC.269

- OR -

Upgrade to 8.50.2.6 + VTD_EXEC.269 (Recommended)

- OR -

Upgrade to 8.51.0.63 + VTD_EXEC.269

- OR -

Upgrade to 8.51.1.26 + VTD_EXEC.269

3957| VED|

Upgrade to 8.50.2.6 + VTD_EXEC.269 (Recommended)

- OR -

Upgrade to 8.51.0.63 + VTD_EXEC.269

- OR -

Upgrade to 8.51.1.26 + VTD_EXEC.269

The minimum VTD_EXEC version is shown below:

Workarounds and Mitigations

Although IBM recommends that you upgrade to the fixes identified above, you can mitigate, but not eliminate the risk of these vulnerabilities by restricting physical and network access to the TS7700 to authorized users and IBM Service Personnel only.