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MitreCVE-2020-26800

HistoryJan 11, 2021 - 1:15 p.m.

CVE-2020-26800

2021-01-1113:15:13

CWE-787

mitre

web.nvd.nist.gov

cve-2020-26800

vulnerability

aleth ethereum

c++ client

denial of service

stack overflow

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.001

Percentile

47.7%

JSON

A stack overflow vulnerability in Aleth Ethereum C++ client version <= 1.8.0 using a specially crafted a config.json file may result in a denial of service.

Affected configurations

Nvd

Node

ethereumalethRange≤1.8.0

VendorProductVersionCPE
ethereumaleth*cpe:2.3:a:ethereum:aleth:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
ethereum	aleth	*	cpe:2.3:a:ethereum:aleth::::::::

References

ethereum.org/en/about/

github.com/ethereum/aleth

github.com/ethereum/aleth/issues/5917

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.001

Percentile

47.7%

JSON

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