Security Bulletin: IBM Cloud Pak for Data Scheduling contains a vulnerable yq package. [CVE-2023-39320, CVE-2023-39321 and CVE-2023-39322]

Summary

Yq is used by IBM Cloud Pak for Data Scheduling as part of the Ansible operator used for installation of the Scheduler. This bulletin identifies the steps to take to address the below vulnerabilities.

Vulnerability Details

CVEID:CVE-2023-39320
**DESCRIPTION:**Golang Go could allow a remote attacker to execute arbitrary code on the system, caused by a flaw in the go.mod toolchain directive. By sending a specially crafted request, an attacker could exploit this vulnerability to execute arbitrary code on the system.
CVSS Base score: 9.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/265873 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)

CVEID:CVE-2023-39321
**DESCRIPTION:**Golang Go is vulnerable to a denial of service, caused by a flaw when processing partial post-handshake message in QUICConn.HandleData in the crypto/tls package. By sending a specially crafted post-handshake message for a QUIC connection, a remote attacker could exploit this vulnerability to cause a denial of service condition.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/265858 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)

CVEID:CVE-2023-39322
**DESCRIPTION:**Golang Go is vulnerable to a denial of service, caused by an uncontrolled resource consumption flaw when reading post-handshake messages. By sending a specially crafted request, a remote attacker could exploit this vulnerability to cause unbounded memory growth, and results in a denial of service condition.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/265863 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

Affected Products/Versions guidance:

Affected Product(s)|**Version(s)
**
—|—
IBM Cloud Pak for Data Scheduling| 4.6.4 - 4.7.4

Remediation/Fixes

Remediation/Fixes guidance:

IBM strongly recommends addressing the vulnerability now.

Note: IBM Cloud Pak for Data Scheduling is bundled with IBM Cloud Pak for Data to provide advanced scheduling features.

Workarounds and Mitigations

Workarounds/Mitigation guidance:

None