IBM9E3E74AEE50EDD56471AB1DD53E49480A351A1F3430DD628A7242F18B77F0E6ASecurity Bulletin: Denial of Service vulnerability in sanitize-html affects IBM Business Automation Workflow (CVE-2021-23382)
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.002 Low
EPSS
Percentile
58.4%
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
Related
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.002 Low
EPSS
Percentile
58.4%