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The ContentBlockEx method in Workarea/ServerControlWS.asmx of Ektron CMS versions 8.5, 8.7 before 8.7sp2, and 9.0 before sp1 is vulnerable to XML External Entity (XXE) injection. This vulnerability allows remote attackers to supply crafted XML input via the xslt parameter, which is parsed without proper entity restrictions, enabling attackers to read arbitrary files from the server.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos.
This repository contains a single Metasploit module (Ruby file) that exploits a remote code execution vulnerability (CVE-2015-0923) in Ektron CMS400 versions 8.5, 8.7 (<= sp1), and 9.0 (< sp1) running on Windows. The exploit targets the ServerControlWS.asmx SOAP web service, which is accessible under the /cms400min/WorkArea/ path by default. The module crafts a malicious SOAP request containing an XSLT transformation with embedded C# code, which is executed by the vulnerable service, allowing arbitrary code execution in the context of IIS. The payload is a base64-encoded Windows shellcode (typically a reverse shell or Meterpreter), which is allocated and executed via C# interop calls. The exploit does not require authentication and is fully operational, providing remote code execution on vulnerable systems. The only fingerprintable endpoint is the web service path, which is configurable but defaults to /cms400min/WorkArea/ServerControlWS.asmx. The module is part of the Metasploit framework and is structured as a standard Metasploit exploit module.
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