#VU12285 Integer overflow in Useless Ethereum Token


Published: 2018-04-28 | Updated: 2018-04-29

Vulnerability identifier: #VU12285

Vulnerability risk: High

CVSSv3.1: 9.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L/E:H/RL:U/RC:C]

CVE-ID: CVE-2018-10468

CWE-ID: CWE-190

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Useless Ethereum Token
Client/Desktop applications / Other client software

Vendor: Useless Ethereum Token

Description

The vulnerability allows a remote attacker to steal digital assets.

The vulnerability exists due to integer overflow within the transferFrom() function of a smart contract implementation for Useless Ethereum Token (UET). A remote attacker can steal assets (e.g., transfer all victims' balances into their account) because certain computations involving _value are incorrect.

The vulnerability was dubbed "transferFlaw" and has been exploited in the wild in December 2017.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Useless Ethereum Token: All versions


External links
http://peckshield.com/2018/04/28/transferFlaw/


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.


Latest bulletins with this vulnerability