Security Bulletin: A vulnerability in IBM Java SDK and IBM Java Runtime affects IBM® Db2® (CVE-2023-30441)

Summary

IBM® Runtime Environment Java™ Version 8.0.7.0 through 8.0.7.11 used by IBM® Db2® is vulnerable to information disclosure. The fix for this issue was already published in an earlier bulletin. If you have already applied the appropriate Db2 special build or Java version 8.0.8.6 or higher then no further action is required.

Vulnerability Details

CVEID:CVE-2023-30441
**DESCRIPTION:**IBM Runtime Environment, Java Technology Edition IBMJCEPlus and JSSE 8.0.7.0 through 8.0.7.11 components could expose sensitive information using a combination of flaws and configurations. IBM X-Force ID: 253188.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/253188 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)

Affected Products and Versions

Remediation/Fixes

The recommended solution is to apply the appropriate fix for this vulnerability.

The fix for this vulnerability is in the latest version of IBM JDK.

Affected IBM SDK, Java Technology Edition, Version:

• 8.0.7.0 through 8.0.7.11
• Earlier 8.x releases are also affected if the security provider order has been changed to prefer the IBMJCEPlus provider over the IBMJCE provider.
• Earlier releases (7.0, 6, 5.0, 1.4.2, 1.3.1, 1.2.2 etc.) may also be affected, but they are no longer supported.

Fixes for applicable vulnerabilities are included in IBM SDK, Java Technology Edition:

• 8.0.8.6 for all Db2 releases (fix first appears in 8.0.7.15)

Customers running any vulnerable fixpack level of an affected Program, v11.1 and V11.5, can download the special build containing the interim fix for this issue from Fix Central. These special builds are available based on the most recent fixpack level for each impacted release: V11.1.4 FP7, and V11.5.8. They can be applied to any affected fixpack level of the appropriate release to remediate this vulnerability.

Special Build for V11.1.4 FP7:

AIX 64-bit
Linux 32-bit, x86-32
Linux 64-bit, x86-64
Linux 64-bit, POWER™ little endian
Linux 64-bit, System z®, System z9® or zSeries®
Solaris 64-bit, SPARC
Windows 32-bit, x86
Windows 64-bit, x86

V11.5| TBD| DT242836|

Special Build for V11.5.0:

AIX 64-bit (for OS7.1)

Special Build for V11.5.7:

AIX 64-bit
Linux 32-bit, x86-32
Linux 64-bit, x86-64
Linux 64-bit, POWER™ little endian
Linux 64-bit, System z®, System z9® or zSeries®
Windows 32-bit, x86
Windows 64-bit, x86

Special Build for V11.5.8:

AIX 64-bit
Linux 32-bit, x86-32
Linux 64-bit, x86-64
Linux 64-bit, POWER™ little endian
Linux 64-bit, System z®, System z9® or zSeries®
Windows 32-bit, x86
Windows 64-bit, x86

Alternatively, customers running any vulnerable fixpack level of an affected Program, V10.5, V11.1 or V11.5, can also download the latest version of IBM JDK from Fix Central.

Instructions for IBM JDK Installation can be found here:
<http://www.ibm.com/support/docview.wss?uid=swg27050993&gt;

IBM does not disclose key Db2 functionality nor replication steps for a vulnerability to avoid providing too much information to any potential malicious attacker. IBM does not want to enable a malicious attacker with sufficient knowledge to craft an exploit of the vulnerability.

Workarounds and Mitigations

None