Security Bulletin: IBM Watson Speech Services Cartridge for IBM Cloud Pak for Data is vulnerable to a denial of service in MIT krb5 (CVE-2022-42898).

Summary

IBM Watson Speech Services Cartridge for IBM Cloud Pak for Data is vulnerable to a denial of service in MIT krb5 caused by an integer overflow in PAC parsing in the krb5_parse_pac() function (CVE-2022-42898). MIT krb5 is included as part of the Base OS used by our service images. Please read the details for remediation below.

Vulnerability Details

CVEID:CVE-2022-42898
**DESCRIPTION:**MIT krb5 is vulnerable to a denial of service, caused by an integer overflow in PAC parsing in the krb5_parse_pac() function. By sending a specially-crafted request, a remote authenticated attacker could exploit this vulnerability to cause a KDC or kadmind process to crash.
CVSS Base score: 6.4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/240238 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:L)

Affected Products and Versions

Remediation/Fixes

IBM strongly 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| 4.6.4| The fix in 4.6.4 applies to all versions listed (4.0.0-4.6.3). Version 4.6.4 can be downloaded and installed from: **
<https://www.ibm.com/docs/en/cloud-paks/cp-data/4.6.x?topic=installing&gt;

Workarounds and Mitigations

None