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Insecure Temporary File

CVE-2021-28099

Severity Medium
Score 4.4/10

Summary

In Netflix OSS Hollow, since the Files.exists(parent) is run before creating the directories, an attacker can pre-create these directories with wide permissions. Additionally, since an insecure source of randomness is used, the file names to be created can be deterministically calculated.

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

CWE-377 - Insecure Temporary File

Creating and using insecure temporary files can leave application and system data vulnerable to attack.

Advisory Timeline

  • Published