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MitreCVE-2018-18665

HistoryDec 28, 2018 - 5:29 p.m.

CVE-2018-18665

2018-12-2817:29:00

CWE-190

mitre

web.nvd.nist.gov

cve-2018-18665

nexxus

nxx

ethereum

token

integer overflow

contract

security vulnerability

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS

0.002

Percentile

61.4%

JSON

The mintToken function of Nexxus (NXX) aka NexxusToken, an Ethereum token, has an integer overflow that allows the owner of the contract to set the balance of an arbitrary user to any value.

Affected configurations

Nvd

Node

nexxuscoinnexxustokenMatch-

VendorProductVersionCPE
nexxuscoinnexxustoken-cpe:2.3:a:nexxuscoin:nexxustoken:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
nexxuscoin	nexxustoken	-	cpe:2.3:a:nexxuscoin:nexxustoken:-:::::::*

References

etherscan.io/address/0x7627de4b93263a6a7570b8dafa64bae812e5c394#code

github.com/n0pn0pn0p/smart_contract_-vulnerability/blob/master/PolyAi.md

github.com/NexxusUniversity/nexxuscoin/issues/2

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS

0.002

Percentile

61.4%

JSON

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