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UNIX Symbolic Link (Symlink) Following


Severity Low
Score 0/10


Phusion Passenger before 4.0.37 allows local users to write to certain files and directories via a symlink attack on "" or a "generation-*" file.

  • LOW
  • NONE
  • NONE
  • NONE

CWE-61 - UNIX Symbolic Link (Symlink) Following

The software, when opening a file or directory, does not sufficiently account for when the file is a symbolic link that resolves to a target outside of the intended control sphere. This could allow an attacker to cause the software to operate on unauthorized files.

Advisory Timeline

  • Published