Security Bulletin: IBM Watson Speech Services Cartridge for IBM Cloud Pak for Data is vulnerable to a denial of service in Speex [CVE-2020-23903]

Summary

IBM Watson Speech Services Cartridge for IBM Cloud Pak for Data is vulnerable to a denial of service in Speex, caused by a divide-by-zero vulnerability in the function static int read_samples [CVE-2020-23903]. Speex is used in our Speech Services runtimes. This vulnerabilitiy has been addressed. Please read the details for remediation below.

Vulnerability Details

CVEID:CVE-2020-23903
**DESCRIPTION:**Speex is vulnerable to a denial of service, caused by a divide-by-zero vulnerability in the function static int read_samples. By persuading a victim to open a specially crafted WAV file, a remote attacker could exploit this vulnerability to cause the application to crash.
CVSS Base score: 5.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/213432 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)

Affected Products and Versions

Remediation/Fixes

Product(s)|**Version(s)
**|Remediation/Fix/Instructions
—|—|—
IBM Watson Speech Services Cartridge for IBM Cloud Pak for Data| 4.8.5| The fix in 4.8.5 applies to all versions listed (4.0.0-4.8.4). Version 4.8.5 can be downloaded and installed from: <https://www.ibm.com/docs/en/cloud-paks/cp-data&gt;

Workarounds and Mitigations

None