The FileStore capability in CGI::Session for Ruby before 1.8.1, and possibly PStore, creates files with insecure permissions, which can allow local users to steal session information and hijack sessions.
| Software | From | Fixed in |
|---|---|---|
| yukihiro_matsumoto / ruby | 1.6 | 1.6.x |
| yukihiro_matsumoto / ruby | 1.8 | 1.8.x |