Security Bulletin
Summary
IBM Watson Discovery for IBM Cloud Pak for Data contains a vulnerable version of Python Pillow.
Vulnerability Details
CVEID: CVE-2021-23437
DESCRIPTION: Python Pillow is vulnerable to a denial of service, caused by a regular expression denial of service (ReDoS) flaw in the getrgb function. By sending a 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/208713 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) |
| Watson Discovery | 4.0.0-4.0.2 |
| Watson Discovery | 2.0.0-2.2.1 |
Remediation/Fixes
Upgrade to IBM Watson Discovery 4.0.3
Upgrade to IBM Watson Discovery 2.2.1 and apply cpd-watson-discovery-2.2.1-patch-5
https://cloud.ibm.com/docs/discovery-data?topic=discovery-data-install
https://www.ibm.com/support/pages/available-patches-watson-discovery-ibm-cloud-pak-data
Workarounds and Mitigations
None
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References
Change History
08 Nov 2021: 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:
30 November 2021
UID
ibm16516468