Security Bulletin: Multiple vulnerabilities in IBM Semeru Runtime affect z/Transaction Processing Facility

Summary

There are multiple vulnerabilities in IBM® Semeru Runtime Certified Edition 11 that is used by the z/TPF system. z/TPF has addressed the applicable CVEs.

Vulnerability Details

CVEID:CVE-2024-20918
**DESCRIPTION:**An unspecified vulnerability in Java SE related to the VM component could allow a remote attacker to cause high confidentiality impact and high integrity impact.
CVSS Base score: 7.4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/279718 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N)

CVEID:CVE-2024-20921
**DESCRIPTION:**An unspecified vulnerability in Java SE related to the VM component could allow a remote attacker to cause high confidentiality impact.
CVSS Base score: 5.9
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/279734 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N)

CVEID:CVE-2024-20926
**DESCRIPTION:**An unspecified vulnerability in Java SE related to the Scripting component could allow a remote attacker to cause high confidentiality impact.
CVSS Base score: 5.9
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/279716 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N)

CVEID:CVE-2024-22361
**DESCRIPTION:**IBM Semeru Runtime 8.0.302.0 through 8.0.392.0, 11.0.12.0 through 11.0.21.0, 17.0.1.0 - 17.0.9.0, and 21.0.1.0 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information. IBM X-Force ID: 281222.
CVSS Base score: 5.9
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/281222 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N)

Affected Products and Versions

Remediation/Fixes

1. Apply the APAR, which is available for download from the TPF Family Products: Maintenance web page.
2. Download and install the PJ48008_ibm-semeru-certified-jre-11.0.22.0 package from the z/TPF support for IBM Semeru Runtimes and IBM Java SDK download page.

Workarounds and Mitigations

None.