Security Bulletin: IBM Watson Discovery Cartridge for IBM Cloud Pak for Data affected by vulnerability in gRPC

Summary

IBM Watson Discovery Cartridge for IBM Cloud Pak for Data contains a vulnerable version of gRPC.

Vulnerability Details

CVEID:CVE-2023-32732
**DESCRIPTION:**gRPC is vulnerable to a denial of service, caused by a base64 encoding error for “-bin” suffixed headers. By sending a specially crafted request, a remote attacker could exploit this vulnerability to cause a termination of connection between a HTTP2 proxy and a gRPC server, and results in a denial of service condition.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/257693 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

CVEID:CVE-2023-32731
**DESCRIPTION:**gRPC could allow a remote attacker to obtain sensitive information, caused by a flaw when gRPC HTTP2 stack raised a header size exceeded error. By sending a specially crafted request, an attacker could exploit this vulnerability to obtain sensitive information, and use this information to launch further attacks against the affected system.
CVSS Base score: 7.4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/257688 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H)

CVEID:CVE-2023-1428
**DESCRIPTION:**gRPC is vulnerable to a denial of service. By sending a specially crafted header, an attacker could exploit this vulnerability to cause a denial of service.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/258439 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

Remediation/Fixes

Upgrade to IBM Watson Discovery 4.7.1

<https://cloud.ibm.com/docs/discovery-data?topic=discovery-data-install&gt;

Workarounds and Mitigations

None