Security Bulletin
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:
| Machine Type | Model | Version |
| 3957 | VEC | 8.51.1.26 |
| 3957 | VED | 8.51.1.26 |
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:
| Machine Type | Model | Fix |
| 3957 | VEC |
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:
| VTD_EXEC Package | Version |
| VTD_EXEC.269 | v1.18 |
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.
Get Notified about Future Security Bulletins
References
IBM® SDK, Java™ Technology Edition Security Bulletin - October 2020
IBM® SDK, Java™ Technology Edition Security Bulletin - January 2021
Security Bulletin: CVE-2020-14781 may affect IBM® SDK, Java™ Technology Edition
Security Bulletin: CVE-2020-14782 may affect IBM® SDK, Java™ Technology Edition
TS7700 Code Update Recommendation
Change History
29 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:
29 March 2021
UID
ibm16420469