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[email protected]NVD:CVE-2021-37587

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

CVE-2021-37587

2021-07-3014:15:18

CWE-327

[email protected]

web.nvd.nist.gov

charm 0.43

dac-macs

ma-abe-yj14

data security

vulnerability

CVSS2

Attack Vector

NETWORK

Attack 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

CVSS3

6.5

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

EPSS

0.001

Percentile

45.7%

JSON

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

Affected configurations

Nvd

Node

jhucharmMatch0.43

VendorProductVersionCPE
jhucharm0.43cpe:2.3:a:jhu:charm:0.43:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
jhu	charm	0.43	cpe:2.3:a:jhu:charm: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

CVSS2

Attack Vector

NETWORK

Attack 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

CVSS3

6.5

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

EPSS

0.001

Percentile

45.7%

JSON

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