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jRuby fails to upload library

Mikhail | Last updated: Jul 16, 2021 11:25AM UTC

Hey there, Loading of the "File Upload Traverser" extension fails with the error: Caused by: org.jruby.exceptions.RaiseException: (LoadError) no such file to load -- base64 at org.jruby.RubyKernel.require(org/jruby/RubyKernel.java:956) at RUBY.<main>(C:/Users/[***Snipped***]/AppData/Roaming/BurpSuite/bapps/5f46fe766e9c435992c610160bb53cba/uploader.rb:2) At the same time "Faraday" (another Ruby extension) loads with no issues. I run Burp Suite Pro v 2021.6.2 / jRuby 9.1.17.0 (2.3.3) (64 bit) / Java SE 1.8.0_291-b10 (64 bit) on Windows 10 Enterprise 21H1. How could I fix the issue? Please help!

Uthman, PortSwigger Agent | Last updated: Jul 19, 2021 09:26AM UTC

Does your issue persist if you upload the .bapp file under Extender > BApp Store > Manual install ...?

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