Security Bulletin: IBM CICS TX Advanced is vulnerable to HTTP header injection (CVE-2022-34306)

Summary

IBM CICS TX Advanced could allow an attacker to mount a cros-site scripting, cache poisoning or session hijacking attack on a vulnerable system. The fix removes this vulnerability (CVE-2022-34306) from IBM CICS TX Advanced.

Vulnerability Details

CVEID:CVE-2022-34306
**DESCRIPTION:**IBM CICS TX is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers. This could allow an attacker to conduct various attacks against the vulnerable system, including cross-site scripting, cache poisoning or session hijacking.
CVSS Base score: 5.4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/229435 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N)

Affected Products and Versions

Remediation/Fixes

IBM strongly recommends addressing the vulnerability by downloading and applying the interim fixes from the table below

Product

| Version| Defect| Remediation / First Fix
—|—|—|—
IBM CICS TX Advanced|

11.1

| 127642| Download fix from here

Workarounds and Mitigations

None