Security Bulletin: IBM Watson Speech Services Cartridge for IBM Cloud Pak for Data is vulnerable to buffer overflow in OpenSSL (CVE-2021-3711).

Summary

IBM Watson Speech Services Cartridge for IBM Cloud Pak for Data is vulnerable to buffer overflow in OpenSSL, caused by improper bounds checking by the EVP_PKEY_decrypt() function within implementation of the SM2 decryption. (CVE-2021-3711). OpenSSL is used as part of the base image included in our service components. Please read the details for remediation below.

Vulnerability Details

CVEID:CVE-2021-3711
**DESCRIPTION:**OpenSSL is vulnerable to a buffer overflow, caused by improper bounds checking by the EVP_PKEY_decrypt() function within implementation of the SM2 decryption. By sending specially crafted SM2 content, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash.
CVSS Base score: 9.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/208072 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

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|4.5.3|The fix in 4.5.3 applies to all versions listed (4.0.0-4.5.2). Version 4.5.3 can be downloaded and installed from:
<https://www.ibm.com/docs/en/cloud-paks/cp-data/4.5.x?topic=installing&gt;

Workarounds and Mitigations

None