Inconsistent interpretation of HTTP requests in IBM CICS TX Standard - CVE-2022-34306

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Main Vulnerability Database Vulnerabilities #VU64966

Inconsistent interpretation of HTTP requests in IBM CICS TX Standard - CVE-2022-34306

Published: July 7, 2022


Vulnerability identifier: #VU64966
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-34306
CWE-ID: CWE-444
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote user to perform HTTP request smuggling attacks.

The vulnerability exists due to improper validation of HTTP requests. A remote user can send a specially crafted HTTP request to the server and smuggle arbitrary HTTP headers.

Successful exploitation of vulnerability may allow an attacker to poison HTTP cache and perform phishing attacks.


Affected software

IBM CICS TX Standard
IBM CICS TX Advanced

How to mitigate CVE-2022-34306

Install updates from vendor's website.

IBM CICS TX Advanced - update to 11.1.0.0 ifix2

External References

Related Security Bulletins