A vulnerability was found in IBM CICS TX Standard and CICS TX Advanced 11.1 and classified as problematic. This issue affects some unknown processing of the component HTTP Header Handler. The manipulation of the argument Host with an unknown input leads to a injection vulnerability. Using CWE to declare the problem leads to CWE-74. The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

IBM CICS TX Standard and Advanced 11.1 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. IBM X-Force ID: 229435.

The weakness was published 07/08/2022. The advisory is shared at ibm.com. The identification of this vulnerability is CVE-2022-34306 since 06/22/2022. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1055 for this issue.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at X-Force (229435).

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Vendor

• IBM

Name

• CICS TX Advanced
• CICS TX Standard

Version

• 11.1

License

• commercial

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