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."
| Package (Ecosystem) | Introduced | Fixed | Limit |
|---|---|---|---|
| rack(RubyGems) | 1.5.0 | 1.5.2 | N/A |
| rack(RubyGems) | 1.4.0 | 1.4.5 | N/A |
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