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Security Bulletin: Security Vulnerabilities affect IBM Cloud Private - Kubernetes (CVE-2021-25742)

Security Bulletin


Summary

Security Vulnerabilities affect IBM Cloud Private - Kubernetes

Vulnerability Details

CVEID:   CVE-2021-25742
DESCRIPTION:   Kubernetes NGINX Ingress Controller could allow a remote authenticated attacker to obtain sensitive information, caused by a flaw in the custom snippets feature. By sending a specially-crafted request, an attacker could exploit this vulnerability to obtain all secrets in the cluster, and use this information to launch further attacks against the affected system.
CVSS Base score: 7.6
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/211838 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L)

Affected Products and Versions

Affected Product(s)Version(s)
IBM Cloud Private3.2.1 CD
IBM Cloud Private3.2.2 CD

Remediation/Fixes

Product defect fixes and security updates are only available for the two most recent Continuous Delivery (CD) update packages
  • IBM Cloud Private 3.2.1
  • IBM Cloud Private 3.2.2

 

For IBM Cloud Private 3.2.1, apply fix pack:

For IBM Cloud Private 3.2.2, apply fix pack:


For IBM Cloud Private 3.1.0, 3.1.1, 3.1.2, 3.2.0

  • Upgrade to the latest Continuous Delivery (CD) update package, IBM Cloud Private 3.2.2. 
  • If required, individual product fixes can be made available between CD update packages for resolution of problems. Contact IBM support for assistance

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

Off

Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

22 Apr 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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Document Information

Modified date:
22 April 2022

UID

ibm16574499

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