Security Bulletin: Multiple vulnerabilities in IBM Java SDK and IBM Java Runtime affect IBM Decision Optimization Center (CVE-2020-2593, CVE-2020-2583, CVE-2019-4732)

Summary

There are multiple vulnerabilities in IBM® SDK Java™ and IBM® Runtime Environment Java™ Versions 7 & 8 used by IBM Decision Optimization Center. IBM Decision Optimization Center has addressed the applicable CVEs.

Vulnerability Details

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-2020-2583
**DESCRIPTION:**An unspecified vulnerability in Java SE related to the Java SE 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/174531 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-2019-4732
**DESCRIPTION:**IBM SDK, Java Technology Edition Version 7.0.0.0 through 7.0.10.55, 7.1.0.0 through 7.1.4.55, and 8.0.0.0 through 8.0.6.0 could allow a local authenticated attacker to execute arbitrary code on the system, caused by DLL search order hijacking vulnerability in Microsoft Windows client. By placing a specially-crafted file in a compromised folder, an attacker could exploit this vulnerability to execute arbitrary code on the system. IBM X-Force ID: 172618.
CVSS Base score: 7.2
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/172618 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H)

Affected Products and Versions

Remediation/Fixes

The recommended solution is to download and install the IBM Java SDK as soon as practicable.
Please note that IBM SDK Java 6 is no longer supported anymore. IBM recommends upgrading to DOC 3.8.0.2, 3.9 or subsequent releases.

Before installing a newer version of IBM Java SDK, please ensure that you:

• Close any open programs that you have running;
• Rename the initial directory of the IBM Java SDK (for example: with a .old at the end),
• Download and install IBM Java SDK.

IBM Decision Optimization Center
From v3.8.0.2: IBM SDK, Java Technology Edition, Version 7 Service Refresh 10 Fix Pack 60 and subsequent releases
From v3.9.0.1: IBM SDK, Java Technology Edition, Version 8 Service Refresh 6 Fix Pack 5 and subsequent releases

You must verify that applying this fix does not cause any compatibility issues.
Here are the detailed instructions for updating IBM Java SDK.

Workarounds and Mitigations

None