CVE-2018-11239

An integer overflow in the _transfer function of a smart contract implementation for Hexagon (HXG), an Ethereum ERC20 token, allows attackers to...

Basic Information

CVE State
PUBLISHED
Reserved Date
May 18, 2018
Published Date
May 19, 2018
Last Updated
August 05, 2024
Vendor
n/a
Product
Hexagon (HXG) ERC20 Token
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.

CVSS Scores

CVSS v3.0

7.5 - HIGH

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

CVSS v2.0

5.0

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

Exploit Status

Exploited in the Wild
Yes (2018-05-19 18:00:00 UTC) Source

Known Exploited Vulnerability Information

Source Added Date
CVE 2018-05-19 18:00:00 UTC

Timeline

  • CVE ID Reserved

  • CVE Published to Public

  • Added to KEVIntel