A Security Vulnerability affects IBM Cloud Private - kubectl
DESCRIPTION: Kubernetes could allow a remote attacker to gain unauthorized access to the system, caused by an error in `kubectl cp` that allows a combination of two symlinks to copy a file outside of its destination directory. An attacker could exploit this vulnerability to write arbitrary files outside of the destination tree.
CVSS Base score: 5.9
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/168617 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N)
Affected Products and Versions
|IBM Cloud Private||3.2.1 CD|
|IBM Cloud Private||3.2.0 CD|
- IBM Cloud Private 3.2.0
- IBM Cloud Private 3.2.1
- Upgrade to the latest Continuous Delivery (CD) update package, IBM Cloud Private 3.2.1.
- 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
Get Notified about Future Security Bulletins
25 Nov 2019: 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.
According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES ""AS IS"" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
24 December 2019