Description
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.
Remediation
References
https://github.com/Netflix/security-bulletins/blob/master/advisories/nflx-2021-001.md
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