Security Bulletin: IBM Watson Discovery for IBM Cloud Pak for Data affected by vulnerability in Netty

Security Bulletin

Summary

IBM Watson Discovery for IBM Cloud Pak for Data contains a vulnerable version of Netty.

Vulnerability Details

CVEID: CVE-2021-21409
DESCRIPTION: Netty is vulnerable to request smuggling, caused by improper validation of request, caused by missing validation of content-length. By sending specially-crafted request, an attacker could exploit this vulnerability to poison a web-cache, perform an XSS attack, or obtain sensitive information from request.
CVSS Base score: 7.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/199150 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-2021-21295
DESCRIPTION: Netty is vulnerable to HTTP request smuggling, caused by improper validation of Content-Length header by the Http2MultiplexHandler. By sending specially crafted HTTP request headers, an attacker could exploit this vulnerability to poison a web-cache, perform an XSS attack, or obtain sensitive information from request.
CVSS Base score: 6.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/197999 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N)

Affected Products and Versions

Affected Product(s)	Version(s)
ICP - Discovery	2.0.0-2.2.1

Remediation/Fixes

Upgrade to IBM Watson Discovery 2.2.1 and apply cpd-watson-discovery-2.2.1-patch-3

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

Complete CVSS v3 Guide
On-line Calculator v3

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Acknowledgement

Change History

17 Jun 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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Tips

Security Bulletin: IBM Watson Discovery for IBM Cloud Pak for Data affected by vulnerability in Netty