DapperDuckling keycloak-connector up to 2.5.4 URL Parameter cross site scripting

Summaryinfo

A vulnerability has been found in DapperDuckling keycloak-connector up to 2.5.4 and classified as problematic. Affected is an unknown function of the component URL Parameter Handler. Performing a manipulation results in cross site scripting. This vulnerability is known as CVE-2024-53843. Remote exploitation of the attack is possible. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as problematic has been found in DapperDuckling keycloak-connector up to 2.5.4. This affects an unknown part of the component URL Parameter Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity. The summary by CVE is:

@dapperduckling/keycloak-connector-server is an opinionated series of libraries for Node.js applications and frontend clients to interface with keycloak. A Reflected Cross-Site Scripting (XSS) vulnerability was discovered in the authentication flow of the application. This issue arises due to improper sanitization of the URL parameters, allowing the URL bar's contents to be injected and reflected into the HTML page. An attacker could craft a malicious URL to execute arbitrary JavaScript in the browser of a victim who visits the link. Any application utilizing this authentication library is vulnerable. Users of the application are at risk if they can be lured into clicking on a crafted malicious link. The vulnerability has been patched in version 2.5.5 by ensuring proper sanitization and escaping of user input in the affected URL parameters. Users are strongly encouraged to upgrade. If upgrading is not immediately possible, users can implement the following workarounds: 1. Employ a Web Application Firewall (WAF) to block malicious requests containing suspicious URL parameters. or 2. Apply input validation and escaping directly within the application’s middleware or reverse proxy layer, specifically targeting the affected parameters.

The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2024-53843 since 11/22/2024. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

Upgrading to version 2.5.5 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

• DapperDuckling

Name

• keycloak-connector

Version

• 2.5.0
• 2.5.1
• 2.5.2
• 2.5.3
• 2.5.4

Website

• Product: https://github.com/DapperDuckling/keycloak-connector/

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Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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