Security Bulletin
Summary
A denial of service vulnerability in sanitize-html affects IBM Business Automation Workflow (Workflow Center).
Vulnerability Details
CVEID: CVE-2021-23382
DESCRIPTION: Node.js postcss module is vulnerable to a denial of service, caused by a regular expression denial of Service (ReDoS) flaw in the getAnnotationURL() and loadAnnotation() functions in lib/previous-map.js. By sending specially-crafted regex input, a remote attacker could exploit this vulnerability to cause a denial of service condition.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/200772 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
| Affected Product(s) | Version(s) | Status |
|---|---|---|
| IBM Business Automation Workflow traditional | V21.0.3 | not affected |
| IBM Business Automation Workflow traditional | V21.0.1 - V21.0.2 V20.0.0.1 - V20.0.0.2 V19.0.0.1 - V19.0.0.3 V18.0.0.2 | affected |
| IBM Business Automation Workflow traditional | V18.0.0.0 - V18.0.0.1 | not affected |
| IBM Business Automation Workflow containers | V21.0.1 - V21.0.3 V20.0.0.1 - V20.0.0.2 | not affected |
| IBM Business Process Manager | V8.6.0.0 - V8.6.0.201803 V8.5.0.0 - V8.5.0.201706 | not affected |
Remediation/Fixes
The recommended solution is to apply the Interim Fix (iFix) or Cumulative Fix (CF) containing APAR JR64239 as soon as practical.
| Affected Product(s) | Version(s) | Remediation / Fix |
|---|---|---|
| IBM Business Automation Workflow traditional | V21.0.2 | Apply JR64239 or upgrade to IBM Business Automation Workflow 21.0.3 |
| IBM Business Automation Workflow traditional | V20.0.0.2 | Apply JR64239 or upgrade to IBM Business Automation Workflow 21.0.3 |
| IBM Business Automation Workflow traditional | V20.0.0.1 | Upgrade to IBM Business Automation Workflow v20.0.0.2 and apply JR64239 or upgrade to IBM Business Automation Workflow 21.0.3 |
| IBM Business Automation Workflow traditional | V19.0.0.3 | Apply JR64239 or upgrade to IBM Business Automation Workflow 21.0.3 |
| IBM Business Automation Workflow traditional | V19.0.0.2 V19.0.0.1 V18.0.0.2 | Upgrade to IBM Business Automation Workflow 19.0.0.3 and apply JR64239 or upgrade to IBM Business Automation Workflow 21.0.3 |
Workarounds and Mitigations
None
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References
Change History
28 Jan 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:
28 January 2022
Initial Publish date:
28 January 2022
UID
ibm16551972