Security Bulletin
Summary
A vulnerability in Kubernetes that is used by IBM InfoSphere Information Server was addressed.
Vulnerability Details
DESCRIPTION: Kubernetes could allow a remote authenticated attacker to bypass security restrictions, caused by a symlink exchange flaw in kubelet. By sending a specially-crafted request, an attacker could exploit this vulnerability to create a container with subpath volume mounts to access files and directories outside of the volume.
CVSS Base score: 8.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/209533 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
Affected Products and Versions
| Affected Product(s) | Version(s) |
| InfoSphere Information Server | 11.7 |
Remediation/Fixes
| Product | VRMF | APAR | Remediation/First Fix |
| InfoSphere Information Server, Information Server on Cloud | 11.7 | JR64342 | --Apply IBM InfoSphere Information Server version 11.7.1.0 --Apply IBM InfoSphere Information Server version 11.7.1.3 --Apply Information Server Security patch --If Information Server 11.7.1.3 Service Packs 1 or 2 or 3 are applied after this Security patch, re-apply the Security patch. |
Workarounds and Mitigations
Get Notified about Future Security Bulletins
References
Change History
18 Feb 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:
18 February 2022
Initial Publish date:
18 February 2022
UID
ibm16516720