rack/file.rb (Rack::File) in Rack 1.5.x before 1.5.2 and 1.4.x before
1.4.5 allows attackers to access arbitrary files outside the intended
root directory via a crafted PATH_INFO environment variable, probably
a directory traversal vulnerability that is remotely exploitable, aka
"symlink path traversals."
Note:References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
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