CVE-2021-28099
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
CvssV3 impact
BaseSeverity | MEDIUM |
ConfidentialityImpact | LOW |
AttackComplexity | LOW |
Scope | UNCHANGED |
AttackVector | LOCAL |
AvailabilityImpact | NONE |
IntegrityImpact | LOW |
PrivilegesRequired | LOW |
BaseScore | 4.4 |
VectorString | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N |
Version | 3.1 |
UserInteraction | NONE |
CvssV2 impact
AccessComplexity | LOW |
ConfidentialityImpact | PARTIAL |
AvailabilityImpact | NONE |
IntegrityImpact | PARTIAL |
BaseScore | 3.6 |
VectorString | AV:L/AC:L/Au:N/C:P/I:P/A:N |
Version | 2.0 |
AccessVector | LOCAL |
Authentication | NONE |