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

Security Bulletin

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

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 a buffer overflow in Perl (CVE-2020-12723).