Security Bulletin: Vulnerability in OpenSSL library affects OS Pattern Kit used in IBM Cloud Pak System

Summary

Vulnerability in OpenSSL library affects OS Pattern Kit used in IBM Cloud Pak System. IBM Cloud Pak System has addressed the vulnerability.

Vulnerability Details

CVEID:CVE-2020-1967
**DESCRIPTION:**OpenSSL is vulnerable to a denial of service, caused by a NULL pointer dereference. By passing specially crafted data to the SSL_check_chain() function during or after a TLS 1.3 handshake, a remote attacker could exploit this vulnerability to cause server or client applications to crash.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/180181 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

Remediation/Fixes

For IBM Cloud Pak System v2.3.0.1, v.2.3.1.1, v2.3.2.0

Upgrade to IBM Cloud Pak System v2.3.3.0. CVE-2020-1967 may impact Openssl on Windows. Openssl 1.1.1g is added to 2.3.3.0 OS pattern kit for Windows. For earlier versions see Reference.

Information on upgrading can be found here: http://www.ibm.com/support/docview.wss?uid=ibm10887959.

Workarounds and Mitigations

None