Security Bulletin: z/TPF is affected by an OpenSSL vulnerability

Summary

The z/TPF version of OpenSSL was updated to address the vulnerability described by CVE-2019-1559.

Vulnerability Details

CVEID: CVE-2019-1559 DESCRIPTION: OpenSSL could allow a remote attacker to obtain sensitive information, caused by the failure to immediately close the TCP connection after the hosts encounter a zero-length record with valid padding. An attacker could exploit this vulnerability using a 0-byte record padding-oracle attack to decrypt traffic.
CVSS Base Score: 5.8
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/157514&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N)

Affected Products and Versions

z/TPF Enterprise Edition Version 1.1

Remediation/Fixes

Product

| VRMF |APAR|Remediation/First Fix
—|—|—|—
z/TPF | 1.1 | APAR PJ45693 | Apply the APAR, which is available for download from the TPF Family Product: Maintenance web page.

Workarounds and Mitigations

None.