Security Bulletin
Summary
IBM Cloud Private is vulnerable to a Kubernetes vulnerability
Vulnerability Details
CVEID: CVE-2020-8553
DESCRIPTION: Kubernetes ingress-nginx could allow a remote authenticated attacker to bypass security restrictions, caused by a flaw when the annotation nginx.ingress.kubernetes.io/auth-type: basic is used. By sending a specially-crafted request, an attacker could exploit this vulnerability to create a new Ingress definition and replace the password file.
CVSS Base score: 5.9
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/186050 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N)
Affected Products and Versions
Affected Product(s) | Version(s) |
IBM Cloud Private | 3.2.1 CD |
IBM Cloud Private | 3.2.2 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 Aug fix pack:
For IBM Cloud Private 3.2.2, apply Aug 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 3.2.2.2008.
- 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
Get Notified about Future Security Bulletins
References
Change History
28 Sep 2020: 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:
28 September 2020
UID
ibm16338783