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Improper Input Validation

CVE-2020-16127

Low
2.8/10

Summary

An Ubuntu-specific modification to AccountsService in versions before 0.6.55-0ubuntu13.2, among other earlier versions, would perform unbounded read operations on user-controlled ~/.pam_environment files, allowing an infinite loop if /dev/zero is symlinked to this location.

  • LOW
  • LOCAL
  • NONE
  • UNCHANGED
  • REQUIRED
  • LOW
  • NONE
  • LOW

CWE-20 - Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

References

Advisory Timeline

  • Published