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[email protected]CVE-2021-27203

HistoryFeb 16, 2021 - 8:15 p.m.

CVE-2021-27203

2021-02-1620:15:16

CWE-476

[email protected]

web.nvd.nist.gov

cve-2021-27203

dekart private disk

type3 user buffer

ioctl codes

arbitrary memory dereferencing

nvd

4.9 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:N/I:N/A:C

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

5.7 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

13.0%

JSON

In Dekart Private Disk 2.15, invalid use of the Type3 user buffer for IOCTL codes using METHOD_NEITHER results in arbitrary memory dereferencing.

Affected configurations

NVD

Node

dekartprivate_diskMatch2.15

CPENameOperatorVersion
dekart:private_diskdekart private diskeq2.15

CPE	Name	Operator	Version
dekart:private_disk	dekart private disk	eq	2.15

References

www.dekart.com/products/encryption/private_disk

www.rootshellsecurity.net/rootshell-discover-denial-of-service-flaw-dekart-private-disk-encryption-software/

4.9 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:N/I:N/A:C

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

5.7 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

13.0%

JSON

Related for CVE-2021-27203

cvelist1 nvd1 prion1