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MitreCVE-2020-8807

HistoryFeb 05, 2021 - 2:15 p.m.

CVE-2020-8807

2021-02-0514:15:17

mitre

web.nvd.nist.gov

cve-2020-8807

electric coin company

zcashd

timing side channel

security vulnerability

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

5.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

Confidence

High

EPSS

0.001

Percentile

35.9%

JSON

In Electric Coin Company Zcashd before 2.1.1-1, the time offset between messages could be leveraged to obtain sensitive information about the relationship between a suspected victim’s address and an IP address, aka a timing side channel.

Affected configurations

Nvd

Node

electriccoinzcashdRange<2.1.1

VendorProductVersionCPE
electriccoinzcashd*cpe:2.3:a:electriccoin:zcashd:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
electriccoin	zcashd	*	cpe:2.3:a:electriccoin:zcashd::::::::

References

electriccoin.co/blog/new-releases-2-1-1-and-hotfix-2-1-1-1/

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

5.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

Confidence

High

EPSS

0.001

Percentile

35.9%

JSON

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