Security Bulletin: IBM Predictive Maintenance and Quality (PMQ) UI: Missing Secure Attribute in Encrypted Session (SSL) Cookie (CVE-2020-4423)

Security Bulletin

Summary

PMQ UI web application sends non-secure cookies over SSL. It may be possible to steal user and session information (cookies) that was sent during an encrypted session.

Vulnerability Details

Refer to the security bulletin(s) listed in the Remediation/Fixes section

Affected Products and Versions

Affected Product(s)	Version(s)
IBM Predictive Maintenance and Quality	1.0.x
IBM Predictive Maintenance and Quality	2.5.x
IBM Predictive Maintenance and Quality	2.0.x

Remediation/Fixes

To fix this vulnerability, configure WebSphere Application Server with these settings:

In the administrative console: click on Application servers > PMQ_server > Session management > Enable cookies

Then navigate to Application servers > PMQ_server > Session management > cookies and set as below:

Cookie name: JSESSIONID
Set session cookies to HTTPOnly to help prevent cross-site scripting attacks.
Cookie maximum age: Current browser session
Set cookie path: /

Restart PMQ_server.

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

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CVEID: CVE-2020-4423
DESCRIPTION: PMQ UI Missing Secure Attribute in Encrypted Session (SSL) Cookie
CVSS Base Score: 4.3
CVSS Temporal Score: Undefined
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N)

Change History

04 Nov 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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Tips

Security Bulletin: IBM Predictive Maintenance and Quality (PMQ) UI: Missing Secure Attribute in Encrypted Session (SSL) Cookie (CVE-2020-4423)