Security Bulletin: Provision to add https and Secure Flag to bayeux

Security Bulletin

Summary

BAYEUX_BROWSER cookie is generated from Cometd Server and it remains live with the session. In older versions of cometd server, BAYEUX_BROWSER cookie was neither true for https nor for secure. But in the current version ie. 5.0.3, there is a provision to make the cookie true for https and secure.

Vulnerability Details

CVEID: CVE-2022-22330
DESCRIPTION: IBM Control Desk could allow a remote attacker to obtain sensitive information, caused by the failure to set the HTTPOnly flag. A remote attacker could exploit this vulnerability to obtain sensitive information from the cookie.
CVSS Base score: 3.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/219126 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N)

CVEID: CVE-2022-22329
DESCRIPTION: IBM Control Desk does not set the secure attribute on authorization tokens or session cookies. Attackers may be able to get the cookie values by sending a http:// link to a user or by planting this link in a site the user goes to. The cookie will be sent to the insecure link and the attacker can then obtain the cookie value by snooping the traffic.
CVSS Base score: 4.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/219124 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N)

Affected Products and Versions

Affected Product(s)	Version(s)
IBM Control Desk	IBM Control Desk 7.6.x
IBM Control Desk	IBM Control Desk 7.6.x

Remediation/Fixes

For IBM Control Desk 7.6.1.5:

There is a provision in web.xml to make BAYEUX_BROWSER cookie true for https and secure. The path can also be updated using <init-params> in web.xml against CometDServlet entry in the deployment descriptor.
https://docs.cometd.org/current/reference/

Workarounds and Mitigations

None

Get Notified about Future Security Bulletins

Subscribe to My Notifications to be notified of important product support alerts like this.

References

Complete CVSS v3 Guide
On-line Calculator v3

Off

Acknowledgement

Change History

16 Aug 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

[{"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SSWT9A","label":"Control Desk"},"Component":"","Platform":[{"code":"PF016","label":"Linux"}],"Version":"7.6.1","Edition":"","Line of Business":{"code":"LOB59","label":"Sustainability Software"}}]

Tips

Security Bulletin: Provision to add https and Secure Flag to bayeux_browser cookie for IBM Control Desk.