Allow arbitrary URLs, expect arbitrary code execution

We found and reported 1-click code execution vulnerabilities in popular software including Telegram, Nextcloud, VLC, Libre-/OpenOffice, Bitcoin/Dogecoin Wallets, Wireshark and Mumble

Desktop applications which pass user supplied URLs to be opened by the operating system are frequently vulnerable to code execution with user interaction

Code execution can be achieved either when a URL pointing to a malicious executable (.desktop, .jar, .exe, …) hosted on an internet accessible file share (nfs, webdav, smb, …) is opened, or an additional vulnerability in the opened application’s URI handler is exploited

Vulnerabilities following this pattern have already been found in other software, with more expected to be revealed going forward

https://positive.security/blog/url-open-rce

#vulnerabilities #url #arbitrary #code #execution #poc #video
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