Security Bulletin: IBM Netezza for Cloud Pak for Data is vulnerable to denial of service due to Golang net package (CVE-2021-27918, CVE-2021-44716, CVE-2021-31525)

Security Bulletin

Summary

Golang packages are used in IBM Netezza for Cloud Pak for Data. Golang net sub module is vulnerable to denial of service. Vulnerability is addressed by upgrading Golang to version 1.17.

Vulnerability Details

CVEID: CVE-2021-27918
DESCRIPTION: Golang Go is vulnerable to a denial of service, caused by an infinite loop flaw when using xml.NewTokenDecoder with a custom TokenReader. By persuading a victim to open a specially-crafted XML content, a remote attacker could exploit this vulnerability to cause a denial of service condition.
CVSS Base score: 5.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/198075 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)

CVEID: CVE-2021-44716
DESCRIPTION: Golang Go is vulnerable to a denial of service, caused by an uncontrolled memory consumption in the header canonicalization cache in net/http. By sending HTTP/2 requests, a remote attacker could exploit this vulnerability to consume all available memory resources.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/216553 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-2021-31525
DESCRIPTION: Golang Go is vulnerable to a denial of service, caused by a flaw in net/http. By sending a specially-crafted header to ReadRequest or ReadResponse. Server, Transport, and Client, a remote attacker could exploit this vulnerability to cause a (panic) denial of service condition.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/202709 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 Product(s)	Version(s)
IBM Netezza for Cloud Pak for Data	11.2.1.0 - 11.2.1.5

Remediation/Fixes

IBM strongly recommends addressing the vulnerability now for affected versions listed by applying the fix.

Product	Version	Remediation/Fix/Instructions
IBM Netezza for Cloud Pak for Data	11.2.1.6	Link to Fix Central

Workarounds and Mitigations

None

Get Notified about Future Security Bulletins

Subscribe to My Notifications to be notified of important product support alerts like this.

References

Complete CVSS v3 Guide
On-line Calculator v3

Off

Acknowledgement

Change History

09 Aug 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

[{"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SSTNZ3","label":"IBM Netezza for Cloud Pak for Data"},"Component":"","Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"11.2.1.6","Edition":"","Line of Business":{"code":"LOB10","label":"Data and AI"}}]

Tips

Security Bulletin: IBM Netezza for Cloud Pak for Data is vulnerable to denial of service due to Golang net package (CVE-2021-27918, CVE-2021-44716, CVE-2021-31525)