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-2021-37136
DESCRIPTION: Netty netty-codec is vulnerable to a denial of service, caused by not allow size restrictions for decompressed data in the Bzip2Decoder. By sending a specially-crafted 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/211777 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)

CVEID: CVE-2021-37137
DESCRIPTION: Netty netty-codec is vulnerable to a denial of service, caused by not restrict the chunk length in the SnappyFrameDecoder. By sending a specially-crafted input, a remote attacker could exploit this vulnerability to cause excessive memory usage, and results in a denial of service condition.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/211779 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	4.0.0-4.0.3
Watson Discovery	2.0.0-2.2.1

Remediation/Fixes

Upgrade to IBM Watson Discovery 4.0.4

Upgrade to IBM Watson Discovery 2.2.1 and apply cpd-watson-discovery-2.2.1-patch-6

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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Change History

04 Dec 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