Multiple vulnerabilities have been discovered in FreeRealty, which can be exploited by malicious users to conduct script insertion attacks and by malicious people to conduct cross-site request forgery and SQL injection attacks.
1) Input passed via the "view" parameter to agentdisplay.php is not properly sanitised before being used in a SQL query. This can be exploited to manipulate SQL queries by injecting arbitrary SQL code.
2) Input passed via the "title", "previewdesc", "fulldesc", and "notes" POST parameters to agentadmin.php when creating or updating a property listing is not properly sanitised before being used. This can be exploited to insert arbitrary HTML and script code, which will be executed in a user's browser session in context of an affected site when the malicious data is being viewed.
3) The application allows users to perform certain actions via HTTP requests without performing any validity checks to verify the requests. This can be exploited to e.g. create an arbitrary user with administrative privileges if a logged-in administrative user visits a malicious web site.
The vulnerabilities are confirmed in version 3.1-0.6. Other versions may also be affected.
Solution: Edit the source code to ensure that input is properly sanitised. Do not browse untrusted sites or follow untrusted links while being logged-in to the application.
Provided and/or discovered by: the_storm via Vulnerability Laboratory Research
Original Advisory: http://www.vulnerability-lab.com/get_content.php?id=513
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Subject: FreeRealty Multiple Vulnerabilities
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