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.
References (1)
Core 1
Core References
Third Party Advisory x_refsource_misc
https://github.com/Netflix/security-bulletins/blob/master/advisories/nflx-2021-001.md
Scores
CVSS v3
4.4
EPSS
0.0024
EPSS Percentile
15.2%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Details
CWE
CWE-330
Status
published
Products (2)
com.netflix.hollow/hollow
0Maven
netflix/hollow
Published
Mar 23, 2021
Tracked Since
Feb 18, 2026