Security Bulletin: IBM Watson Speech Services Cartridge for IBM Cloud Pak for Data is vulnerable to a denial of service, caused by a buffer overflow in Twisted (CVE-2022-21716)

Summary

IBM Watson Speech Services Cartridge for IBM Cloud Pak for Data is vulnerable to a denial of service in Twisted, caused by a buffer overflow in the peer’s SSH version identifier. (CVE-2022-21716). Twisted is used as part of our speech runtime component. Please read the details for remediation below.

Vulnerability Details

CVEID:CVE-2022-21716
**DESCRIPTION:**Twisted is vulnerable to a denial of service, caused by a buffer overflowin the peer’s SSH version identifier. By sending a specially-crafted request, a remote attacker could exploit this vulnerability to consume available memory and crash the server.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/221053 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

Remediation/Fixes

IBM recommends addressing the vulnerability now by upgrading.

Product(s)| Version(s)
| Remediation/Fix/Instructions
—|—|—
IBM Watson Speech Services Cartridge for IBM Cloud Pak for Data| 4.5.1| The fix in 4.5.1 applies to all versions listed (4.0.0-4.5.0). Version 4.5.1 can be downloaded and installed from:
https://www.ibm.com/docs/en/cloud-paks/cp-data/4.5.x?topic=installing

Workarounds and Mitigations

None