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Incorrect Default Permissions

CVE-2020-28044

Medium
6.8/10

Summary

An attacker with physical access to a PAX Point Of Sale device with ProlinOS through 2.4.161.8859R can boot it in management mode, enable the XCB service, and then list, read, create, and overwrite files with MAINAPP permissions.

  • LOW
  • PHYSICAL
  • HIGH
  • UNCHANGED
  • NONE
  • NONE
  • HIGH
  • HIGH

CWE-276 - Incorrect Default Permissions

During installation, installed file permissions are set to allow anyone to modify those files.

References

Advisory Timeline

  • Published