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Path Traversal: '\..\filename'

CVE-2022-2788

High
7.3/10

Summary

Emerson Electric's Proficy Machine Edition Version 9.80 and prior is vulnerable to CWE-29 Path Traversal: '\..\Filename', also known as a ZipSlip attack, through an upload procedure which enables attackers to implant a malicious .BLZ file on the PLC. The file can transfer through the engineering station onto Windows in a way that executes the malicious code.

  • LOW
  • LOCAL
  • HIGH
  • UNCHANGED
  • REQUIRED
  • LOW
  • HIGH
  • HIGH

CWE-29 - Path Traversal: '\..\filename'

The software uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize '\..\filename' (leading backslash dot dot) sequences that can resolve to a location that is outside of that directory.

References

Advisory Timeline

  • Published