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

Security Bulletin

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

Affected Product(s)	Version(s)
IBM Watson Speech Services Cartridge for IBM Cloud Pak for Data	4.0.0 - 4.5.0

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-pa ks/cp-data/4.5.x?topic=installing

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

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Change History

14 Jul 2022: Initial Publication

*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.

Disclaimer

Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

Document Location

Worldwide

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Tips

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