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.

Related CPE's


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