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Security Bulletin: Remote code execution vulnerability affect IBM Business Automation Workflow - CVE-2021-43138

Security Bulletin


Summary

IBM Business Automation Workflow is vulnerable to a remote code execution attack.

Vulnerability Details

CVEID:   CVE-2021-43138
DESCRIPTION:   Async could allow a remote attacker to execute arbitrary code on the system, caused by prototype pollution in the mapValues() method. By persuading a victim to open a specially-crafted file, an attacker could exploit this vulnerability to execute arbitrary code on the system.
CVSS Base score: 7.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/223605 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)

Affected Products and Versions

 

Affected Product(s)Version(s)Status
IBM Business Automation Workflow traditionalV22.0.1not affected
IBM Business Automation Workflow containersV22.0.1not affected
IBM Business Automation Workflow traditionalV21.0.3
V21.0.2		affected
IBM Business Automation Workflow containersV21.0.3
V21.0.2		affected
IBM Business Automation Workflow traditionalV21.0.1
V20.0.0.1 - V20.0.0.2
V19.0.0.1 - V19.0.0.3
V18.0.0.0 - V18.0.0.1		not affected
IBM Business Automation Workflow containersV21.0.1
V20.0.0.1 - V20.0.0.2		not affected

 


Remediation/Fixes

The recommended solution is to apply the Interim Fix (iFix) or Cumulative Fix (CF) containing APAR JR64868 as soon as practical.

 

Affected Product(s)Version(s)Remediation / Fix
IBM Business Automation Workflow traditionalV21.0.3Apply JR64868 or upgrade to IBM Business Automation Workflow 22.0.1
IBM Business Automation Workflow ContainersV21.0.3Apply 21.0.3-IF010 or upgrade to IBM Business Automation Workflow 22.0.1
IBM Business Automation Workflow traditionalV21.0.2Apply JR64868 or upgrade to IBM Business Automation Workflow 22.0.1
IBM Business Automation Workflow ContainersV21.0.2Apply 21.0.2-IF012 or upgrade to IBM Business Automation Workflow 22.0.1

 

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

Off

Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

01 July 2022: Initial Publication

*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.

Disclaimer

Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

Document Location

Worldwide

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Document Information

Modified date:
01 July 2022

UID

ibm16600747

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