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Blog - RCE due to ShowExceptions
A Rails application left Rack ShowExceptions enabled in production, so a carriage return in a filename parameter triggered an exception page that printed the application secret token. With that token an attacker signs an arbitrary session cookie, which Rails deserializes into remote code execution, confirmed here by a curl callback.
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- Researcher
- Harsh Jaiswal
- Published by
- Harsh Jaiswal
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This page is the archive's own catalogue record. The research is the work of Harsh Jaiswal, first published at the original source. Preserved copies are kept so the citation survives its host.