![]() ![]() ![]() TXT or any other extension “can be malicious if PHP includes it as code,” he adds. Regardless of a file’s extension, “what interprets the file and how it is interpreted matters more than anything”. ![]() “They shouldn't blindly trust TXT files,” the researcher tells The Daily Swig. Now patched, the security flaw stemmed from how TXT files were parsed by TextEdit, the open source Apple application that opens TXT files by default.ĭespite this development – and the 2019 discovery of memory corruption bugs leading to RCE in Microsoft’s equivalent text editor, Notepad – antivirus software, firewalls, and MacOS Gatekeeper treat TXT files “as safe downloads that can't possibly be malicious” because they supposedly contain only text, said security researcher Paulos Yibelo in a blog post. ![]() UPDATED A macOS vulnerability enabled attackers to execute malicious HTML within TXT files that, if opened by victims, could leak their IP address and, worse still, give access to local files. Flaw allowed attacker to leak victim’s IP address and gain access to local files ![]()
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