Security Bulletin: IBM Watson Speech Services Cartridge for IBM Cloud Pak for Data is vulnerable to a buffer overflow in GNU glibc (CVE-2021-3999)

Summary

IBM Watson Speech Services Cartridge for IBM Cloud Pak for Data is vulnerable to a buffer overflow in GNU glibc, due to improper bounds checking by the getcwd() function. (CVE-2021-3999). The GNU glibc component is included as part of the Base OS image that is used by Watson Speech Services. Please read the details for remediation below.

Vulnerability Details

CVEID:CVE-2021-3999
**DESCRIPTION:**GNU glibc is vulnerable to an off-by-one buffer overflow and underflow, caused by improper bounds checking by the getcwd() function. By sending a specially-crafted request, a local authenticated attacker could overflow a buffer and execute arbitrary code on the system.
CVSS Base score: 8.4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/217981 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/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| 4.6.2|**The fix in 4.6.2 applies to all versions listed (4.0.0-4.6.1). Version 4.6.2 can be downloaded and installed from:
<https://www.ibm.com/docs/en/cloud-paks/cp-data/4.6.x&gt;
**

Workarounds and Mitigations

None