Security Bulletin: IBM Watson Speech Services Cartridge for IBM Cloud Pak for Data is vulnerable to CRLF injection in Python (CVE-2019-11236).

Summary

IBM Watson Speech Services Cartridge for IBM Cloud Pak for Data is vulnerable to CRLF injection in Python urllib3, caused by improper validation of user-supplied input by the request parameter (CVE-2019-11236). A remote attacker could exploit this vulnerability to conduct various attacks against the vulnerable system, including cross-site scripting, cache poisoning or session hijacking. Python urllib3 is included in some of the operators used in IBM Watson Speech. Please read the details for remediation below.

Vulnerability Details

CVEID:CVE-2019-11236
**DESCRIPTION:**Python urllib3 is vulnerable to CRLF injection, caused by improper validation of user-supplied input by the request parameter. By sending a specially-crafted HTTP response containing CRLF character sequences, a remote attacker could exploit this vulnerability to conduct various attacks against the vulnerable system, including cross-site scripting, cache poisoning or session hijacking.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/159527 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)

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