Security Bulletin: IBM Watson Speech Services Cartridge for IBM Cloud Pak for Data is vulnerable to a denial of service in GNU Tar (CVE-2019-9923).

Summary

IBM Watson Speech Services Cartridge for IBM Cloud Pak for Data is vulnerable to a denial of service in GNU Tar, caused by a NULL point dereference in the pax_decode_header in sparse.c (CVE-2019-9923). A remote attacker could exploit this vulnerability to cause the application to crash. GNU Tar is included in some of the operators used in IBM Watson Speech. Please read the details for remediation below.

Vulnerability Details

CVEID:CVE-2019-9923
**DESCRIPTION:**GNU Tar is vulnerable to a denial of service, caused by a NULL point dereference in the pax_decode_header in sparse.c. By persuading a victim to run a specially-crafted file, a remote attacker could exploit this vulnerability to cause the application to crash.
CVSS Base score: 3.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/158908 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)

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