Security Bulletin: IBM Watson Speech Services Cartridge for IBM Cloud Pak for Data is vulnerable to a buffer overflow in Perl (CVE-2020-12723).

Summary

IBM Watson Speech Services Cartridge for IBM Cloud Pak for Data is vulnerable to a buffer overflow in Perl, caused by recursive S_study_chunk calls in regcomp.c (CVE-2020-12723). This could allow a remote attacker to overflow a buffer and execute arbitrary code on the system. Perl is included in some of the operators used in IBM Watson Speech. Please read the details for remediation below.

Vulnerability Details

CVEID:CVE-2020-12723
**DESCRIPTION:**Perl is vulnerable to a buffer overflow, caused by recursive S_study_chunk calls in regcomp.c. By using a specially-crafted regular expression, a remote attacker could overflow a buffer and execute arbitrary code on the system.
CVSS Base score: 9.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/183205 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 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