CVE-2022-34307 : Vulnerability Insights and Analysis

IBM CICS TX 11.1 vulnerability allows attackers to obtain sensitive information through insecure cookies. Learn about the impact, technical details, and mitigation steps.

Understanding CVE-2022-34307

This CVE-2022-34307 affects IBM CICS TX Advanced and Standard versions 11.1, exposing users to potential information disclosure risks.

What is CVE-2022-34307?

The vulnerability in IBM CICS TX 11.1 allows attackers to access cookie values by exploiting insecure session cookies and authorization tokens, potentially leading to unauthorized access to sensitive information. The lack of setting the secure attribute on cookies makes it easier for attackers to intercept and obtain these values.

The Impact of CVE-2022-34307

With a CVSS base score of 4.3, this medium-severity vulnerability can result in the disclosure of low-confidentiality information. Attackers with network access can exploit this issue, requiring user interaction to succeed. While there is no immediate impact on availability or integrity, the risk of unauthorized data access is significant.

Technical Details of CVE-2022-34307

Below are the technical details regarding the vulnerability:

Vulnerability Description

IBM CICS TX 11.1 fails to set the secure attribute on authorization tokens and session cookies, allowing attackers to intercept and obtain cookie values.

Affected Systems and Versions

Product: CICS TX Advanced
Vendor: IBM
Version: 11.1
Product: CICS TX Standard
Vendor: IBM
Version: 11.1

Exploitation Mechanism

Attackers can exploit this vulnerability by sending a malicious HTTP link to users or embedding the link in a website visited by the user. The insecure link facilitates the interception of cookies and exposes sensitive information.

Mitigation and Prevention

To address CVE-2022-34307, consider the following mitigation strategies:

Immediate Steps to Take

IBM recommends applying the official fix provided by the vendor to address the cookie security issue.
Educate users about the risks of clicking on suspicious links or visiting untrusted websites to prevent cookie theft.

Long-Term Security Practices

Implement secure cookie settings to ensure sensitive data protection during sessions.
Regularly monitor and update security configurations to address emerging vulnerabilities.

Patching and Updates

Stay informed about security advisories from IBM and apply patches promptly to protect systems against known vulnerabilities.