Security Bulletin: Multiple vulnerabilities in IBM Java SDK affect IBM Z Development and Test Environment

Security Bulletin

Summary

There are multiple vulnerabilities in IBM® SDK Java™ Technology Edition, Version 8 that is used by IBM Z Development and Test Environment. These issues were disclosed as part of the IBM Java SDK updates in October 2019 (CVE-2019-2989), in January 2020 (CVE-2020-2593, CVE-2020-2654) and in April 2020 (CVE-2020-2781).

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-2020-2593
DESCRIPTION: An unspecified vulnerability in Java SE related to the Java SE Networking 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/174541 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-2019-2989
DESCRIPTION: An unspecified vulnerability in Java SE could allow an unauthenticated attacker to cause no confidentiality impact, high integrity impact, and no availability impact.
CVSS Base score: 6.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/169295 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N)

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)

Affected Products and Versions

Affected Product(s)	Version(s)
Z Development & Test Environment	All

Remediation/Fixes

For all versions, update the currently installed ZD&T Enterprise Edition using the v12.0.5.1 Installer. For instructions on installing this update using Installer, review the topic in the Updating Enterprise Edition IBM Knowledge Center. For the latest updates, see also the Fix list for IBM Z Development and Test Environment.

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

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Change History

08 Jul 2020: 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:
27 October 2020

Initial Publish date:
08 July 2020

UID

ibm16251923

Tips

Security Bulletin: Multiple vulnerabilities in IBM Java SDK affect IBM Z Development and Test Environment - April 2020