Security Bulletin: IBM Cloud Private - Session not invalidated on logout (CVE-2019-4439)

Summary

IBM Cloud Private - Session not invalidated on logout (CVE-2019-4439)

Vulnerability Details

CVEID: CVE-2019-4439 DESCRIPTION: IBM Cloud private does not invalidate session after logout which could allow a local user to impersonate another user on the system.
CVSS Base Score: 5.9
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/162949&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

Affected Products and Versions

IBM Cloud Private 3.1.0, 3.1.1, 3.1.2

Remediation/Fixes

Product defect fixes and security updates are only available for the two most recent Continuous Delivery (CD) update packages

• IBM Cloud Private 3.1.2
• IBM Cloud Private 3.1.1

For IBM Cloud Private 3.1.2, apply patch:

• auth-idp

For IBM Cloud Private 3.1.1, apply patch:

• auth-idp

For IBM Cloud Private, 3.1.0:

• Upgrade to the latest Continuous Delivery (CD) update package, IBM Cloud Private 3.2.
• 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