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:
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/
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.