CVE-2022-43754 - An Improper Neutralization of Input Vulnerability in Spacewalk/Uyuni of SUSE Linux Enterprise Module for SUSE Manager Server

A critical vulnerability with CVE identifier CVE-2022-43754 has been discovered in spacewalk/Uyuni of several versions of SUSE Linux Enterprise Module for SUSE Manager Server. This vulnerability, which affects the web page generation process, allows remote attackers to embed JavaScript code in a specific URL path. In this post, we will provide essential details about the vulnerability, including the affected versions, a code snippet demonstrating the issue, and links to original references.

Exploit Details

This vulnerability, classified as an "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", allows remote attackers to embed malicious JavaScript code via the "/rhn/audit/scap/Search.do" url path. This can lead to numerous security risks, including unauthorized access to sensitive user data or remote control of the affected system by an attacker. As a result, it is essential to patch the affected versions immediately to mitigate potential security threats.

Code Snippet

The code snippet below demonstrates a possible malicious attack exploiting the vulnerability in the "/rhn/audit/scap/Search.do" url path:

<script>alert("This is a malicious JavaScript code embedded in the URL path!")</script>

To protect against this vulnerability, it is essential to sanitize and validate user inputs to prevent the embedding of malicious scripts.

For further information and to access the official advisories, please visit the following links

- SUSE Linux Enterprise Module for SUSE Manager Server 4.2 Security Update
- SUSE Linux Enterprise Module for SUSE Manager Server 4.3 Security Update
- SUSE Manager Server 4.2 Security Update

Conclusion

In conclusion, CVE-2022-43754 is a critical vulnerability that affects multiple versions of SUSE Linux Enterprise Module for SUSE Manager Server and SUSE Manager Server. It is crucial to patch the affected versions as soon as possible to avoid potential security threats. By following the guidelines in this post and referring to the official advisories, you can protect your systems and mitigate the risks associated with this vulnerability.

Timeline

Published on: 11/10/2022 15:15:00 UTC
Last modified on: 11/16/2022 17:20:00 UTC