Security Bulletin: Security vulnerabilities in IBM SDK for Node.js might affect the configuration editor used by IBM Business Automation Workflow and Business Process Manager (BPM)

Summary

Security vulnerabilities have been reported for IBM SDK for Node.js. IBM Business Automation Workflow and IBM BPM include a stand-alone tool for editing configuration properties files that is based on IBM SDK for Node.js.

Vulnerability Details

CVEID:CVE-2021-3450
**DESCRIPTION:**OpenSSL could allow a remote attacker to bypass security restrictions, caused by a a missing check in the validation logic of X.509 certificate chains by the X509_V_FLAG_X509_STRICT flag. By using any valid certificate or certificate chain to sign a specially crafted certificate, an attacker could bypass the check that non-CA certificates must not be able to issue other certificates and override the default purpose.
CVSS Base score: 7.4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/198754 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H)

CVEID:CVE-2020-7774
**DESCRIPTION:**Node.js y18n module could allow a remote attacker to execute arbitrary code on the system, caused by a prototype pollution flaw. By sending a specially-crafted request, an attacker could exploit this vulnerability to execute arbitrary code on the system.
CVSS Base score: 7.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/191999 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

CVEID:CVE-2021-3449
**DESCRIPTION:**OpenSSL is vulnerable to a denial of service, caused by a NULL pointer dereference in signature_algorithms processing. By sending a specially crafted renegotiation ClientHello message from a client, a remote attacker could exploit this vulnerability to cause the TLS server to crash.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/198752 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

Note that version 21.0.2 and later are not affected.

Remediation/Fixes

The recommended solution is to apply the Interim Fix (iFix) or Cumulative Fix (CF) containing APAR JR63799 as soon as practical:

• IBM Business Automation Workflow (including fix for IBM Business Process Manager V8.6.0.0 2018.03)
• IBM Business Process Manager Advanced
• IBM Business Process Manager Standard
• IBM Business Process Manager Express

For IBM Business Automation Workflow V18.0, V19.0, and V20.0
· Upgrade to minimal cumulative fix levels as required by iFix and then apply iFix JR63799
--OR–
· Apply cumulative fix Business Automation Workflow V21.0.2 or later

For IBM Business Process Manager V8.6
· Upgrade to minimal cumulative fix levels as required by iFix and then apply iFix JR63799
--OR–
· Upgrade to Business Automation Workflow V21.0.2 or later

For IBM BPM V8.5
· Upgrade to IBM BPM V8.5.7, apply Cumulative Fix 2017.06 and then apply iFix JR63799
--OR–
· Upgrade to Business Automation Workflow V21.0.2 or later

Workarounds and Mitigations

IBM BPM Configuration Editor is a stand-alone tool for editing properties file. Use a standard text file editor instead.