CVE-2018-11239

CVSS V2 Medium 5 CVSS V3 High 7.5

Description

An integer overflow in the _transfer function of a smart contract implementation for Hexagon (HXG), an Ethereum ERC20 token, allows attackers to accomplish an unauthorized increase of digital assets by providing a _to argument in conjunction with a large _value argument, as exploited in the wild in May 2018, aka the "burnOverflow" issue.

Overview

CVE ID
CVE-2018-11239

Assigner
cve@mitre.org

Vulnerability Status
Analyzed

Published Version
2018-05-19T18:29:00

Last Modified Date
2018-06-26T18:41:48

Weakness Enumerations

CWE	URL
CWE-190	http://cwe.mitre.org/data/definitions/190.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:hexagontoken:hexagon:-:::::::*	1	OR

CVSS Version 2

Version
2.0

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

Access Vector
NETWORK

Access Compatibility
LOW

Authentication
NONE

Confidentiality Impact
NONE

Integrity Impact
PARTIAL

Availability Impact
NONE

Base Score
5

Severity
MEDIUM

Exploitability Score
10

Impact Score
2.9

CVSS Version 3

Version
3.0

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

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
NONE

Availability Impact
NONE

Base Score
7.5

Base Severity
HIGH

Exploitability Score
3.9

Impact Score
3.6

References

Reference URL	Reference Tags
https://peckshield.com/2018/05/18/burnOverflow/	Exploit Third Party Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2018-11239
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-11239

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 18:42:10				Added to TrackCVE
2022-12-03 06:28:19	2018-05-19T18:29Z	2018-05-19T18:29:00	CVE Published Date	updated
2022-12-03 06:28:19		2018-06-26T18:41:48	CVE Modified Date	updated
2022-12-03 06:28:19		Analyzed	Vulnerability Status	updated