Improper Neutralization of HTTP Headers for Scripting Syntax in IBM CICS TX Standard - CVE-2022-34329

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Main Vulnerability Database Vulnerabilities #VU81283

Improper Neutralization of HTTP Headers for Scripting Syntax in IBM CICS TX Standard - CVE-2022-34329

Published: September 29, 2023


Vulnerability identifier: #VU81283
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-34329
CWE-ID: CWE-644
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to improper input validation when processing HTTP requests. A remote non-authenticated attacker can send a specially crafted HTTP request with an arbitrary Host header that will be accepted by the application.

Successful exploitation of the vulnerability may allow an attacker to perform cross-site scripting, cache poisoning or session hijacking attacks.


Affected software

IBM CICS TX Standard
IBM CICS TX Advanced

How to mitigate CVE-2022-34329

Install updates from vendor's website.

IBM CICS TX Standard - update to 11.1.0.0 ifix5
IBM CICS TX Advanced - update to 11.1.0.0 ifix5

External References

Related Security Bulletins