PT-2018-9887 · Ethereum · Useless Ethereum Token

Published 2018-04-28 · Updated 2018-06-12 · CVE-2018-10468

Positive Technologies (AI Summary)

CVSS v2.0

5.0

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions: Useless Ethereum Token (UET) (affected versions not specified)

Description: The issue concerns a smart contract implementation for an Ethereum ERC20 token, where the transferFrom function allows attackers to steal assets by transferring all victims' balances into their account. This is due to incorrect computations involving the value variable. The issue, also known as the "transferFlaw" issue, has been exploited in the wild starting in December 2017.

Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2018-10468

Affected Products

Useless Ethereum Token

References · 5

• 🔥 https://peckshield.com/2018/04/28/transferFlaw · Exploit
• 🔥 https://medium.com/coinmonks/uselessethereumtoken-uet-erc20-token-allows-attackers-to-steal-all-victims-balances-543d42ac808e · Exploit
• 🔥 https://medium.com/@jonghyk.song/uselessethereumtoken-uet-erc20-token-allows-attackers-to-steal-all-victims-balances-543d42ac808e · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2018-10468 · Security Note
• https://medium.com/%40jonghyk.song/uselessethereumtoken-uet-erc20-token-allows-attackers-to-steal-all-victims-balances-543d42ac808e · Note