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PRIOn knowledge basePRION:CVE-2021-37587

HistoryJul 30, 2021 - 2:15 p.m.

Design/Logic Flaw

2021-07-3014:15:00

PRIOn knowledge base

www.prio-n.com

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

6.5 Medium

AI Score

Confidence

High

4 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

44.6%

JSON

In Charm 0.43, any single user can decrypt DAC-MACS or MA-ABE-YJ14 data.

CPENameOperatorVersion
charmeq0.43

CPE	Name	Operator	Version
	charm	eq	0.43

References

eprint.iacr.org/2020/460

github.com/JHUISI/charm/issues/276

jhuisi.github.io/charm/charm/schemes/abenc/abenc_dacmacs_yj14.html

jhuisi.github.io/charm/_modules/abenc_maabe_yj14.html

www2.hci.uni-hannover.de/papers/Tan2019.pdf

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

6.5 Medium

AI Score

Confidence

High

4 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

44.6%

JSON

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