Url redirector hack12/30/2023 ![]() This vulnerability could be used as part of a phishing scam by redirecting users to a malicious site. NET Vulnerable Code: string url = request.QueryString Response.Redirect(url) And in Rails: redirect_to params The above code is vulnerable to an attack if no validation or extra method controls are applied to verify the certainty of the URL. Dangerous URL Redirect Example 1 The following Java code receives the URL from the parameter named url (GET or POST) and redirects to that URL: ndRedirect(request.getParameter("url")) The following PHP code obtains a URL from the query string (via the parameter named url) and then redirects the user to that URL: $redirect_url = $_GET header("Location: ". Dangerous URL Redirects The following examples demonstrate unsafe redirect and forward code. NET : Response.Redirect("~/folder/Login.aspx") Rails : redirect_to login_path In the examples above, the URL is being explicitly declared in the code and cannot be manipulated by an attacker. Unvalidated redirect and forward attacks can also be used to maliciously craft a URL that would pass the application’s access control check and then forward the attacker to privileged functions that they would normally not be able to access. Because the server name in the modified link is identical to the original site, phishing attempts may have a more trustworthy appearance. By modifying untrusted URL input to a malicious site, an attacker may successfully launch a phishing scam and steal user credentials. The latest version of MSEdge Redirect, version 0.6.0.Unvalidated redirects and forwards are possible when a web application accepts untrusted input that could cause the web application to redirect the request to a URL contained within untrusted input. The new version improves several core features, including performance, installation and the detection of the default browser on the system. Web searches run with a different search engine once configured using the tool, and the other options use different services as well if you choose to configure those. These options remove some of the locked in options or default options of the Windows operating system. The second page displays several additional options: The second main option is to run the program in active mode this has it run only when Edge is launched. Options to start the service with Windows and to hide it in the system tray area are provided. ![]() The default option is set to service mode, which has MSEdge Redirect run in the background and redirect Edge links automatically to the system's default browser. Setup displays a few options to the user. A scan on Virustotal returned three hits, but only from lesser known antivirus engines. Since it is open source, you may check out the code to make sure it is legitimate. Note: Google Safe Browsing and Microsoft SmartScreen may block the downloading or running of the tool. It is available for 32-bit and 64-bit versions of Windows 8.1 and newer, including the latest Windows 11 builds. Interested users can download it from the official GitHub repository. MSEdgeRedirect uses a different method, and it is one of the few working tools at the time of writing that can still redirect Edge specific links to another browser.Ī new version of MSEdgeRedirect has been released. Microsoft did lock the protocol in recent builds and this rendered these tools unusable as they could not provide the functionality anymore. ![]() Tools like EdgeDeflector used to provide a workaround to get these links to open directly in another browser. There is no technical reason for opening these in Edge either. Edge is opened, even if another browser is the default. This happens when you open web searches, support links in the Settings application, or links provided by the news widget. Microsoft decided to lock certain web links in its operating systems so that they always open in Microsoft Edge.
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