Rails before 1.2.4, as used for Ruby on Rails, allows remote attackers and ActiveResource servers to determine the existence of arbitrary files and read arbitrary XML files via the Hash.from_xml (Hash#from_xml) method, which uses XmlSimple (XML::Simple) unsafely, as demonstrated by reading passwords from the Pidgin (Gaim) .purple/accounts.xml file.
| Package (Ecosystem) | Introduced | Fixed | Limit |
|---|---|---|---|
| rails(RubyGems) | 0 | 1.2.4 | N/A |
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