CVE-2022-34163 : Security Advisory and Response

IBM CICS TX 11.1 is vulnerable to HTTP header injection, potentially allowing attackers to execute various malicious activities on the system. This CVE was published on July 29, 2022.

Understanding CVE-2022-34163

This section will cover the details and impacts of the IBM CICS TX vulnerability.

What is CVE-2022-34163?

IBM CICS TX 11.1 is susceptible to HTTP header injection due to inadequate input validation by the HOST headers. Exploitation could lead to attacks like cross-site scripting, cache poisoning, or session hijacking.

The Impact of CVE-2022-34163

The vulnerability has a CVSS base score of 5.4 and a medium severity level. Attackers could potentially gain access to sensitive data or disrupt system integrity.

Technical Details of CVE-2022-34163

This section will delve into the technical aspects of the vulnerability.

Vulnerability Description

The vulnerability arises from improper validation of input by the HOST headers in IBM CICS TX 11.1, creating opportunities for attackers to manipulate HTTP requests.

Affected Systems and Versions

The impacted products include CICS TX Standard and CICS TX Advanced, both at version 11.1.

Exploitation Mechanism

Attackers can exploit this vulnerability through crafted HTTP headers to inject malicious code and launch various attacks.

Mitigation and Prevention

To address and prevent exploitation of CVE-2022-34163, consider the following steps.

Immediate Steps to Take

Apply official fixes provided by IBM promptly.
Monitor for any suspicious activities on the system.

Long-Term Security Practices

Conduct regular security assessments and audits.
Educate users and administrators on secure coding practices.

Patching and Updates

Stay informed about security updates from IBM for CICS TX to ensure timely patching and protection.