Security Bulletin: "Cookie with Insecure or Improper or Missing SameSite attribute" may affect IBM TXSeries for Multiplatforms

Summary

“Cookie with Insecure or Improper or Missing SameSite attribute” may affect IBM TXSeries for Multiplatforms. IBM TXSeries for Multiplatforms has addressed the applicable CVE and the fix has been provided as special fix uploaded in IBM Fix Central.

Vulnerability Details

CVEID:CVE-2023-33847
**DESCRIPTION:**IBM CICS TX 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: 3.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/257102 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)

Affected Products and Versions

Remediation/Fixes

8.1

| AIX, Linux| PSIRT fixes will be only provided for extended support customers by request through Salesforce case.
IBM TXSeries for Multiplatforms|

8.2

| AIX, HP, Linux| Fix Central Link
IBM TXSeries for Multiplatforms|

9.1

| AIX, Linux| Fix Central Link

Workarounds and Mitigations

None