Vulnerability CVE-2018-10299
Published: 2018-04-23

Description:
An integer overflow in the batchTransfer function of a smart contract implementation for Beauty Ecosystem Coin (BEC), the Ethereum ERC20 token used in the Beauty Chain economic system, allows attackers to accomplish an unauthorized increase of digital assets by providing two _receivers arguments in conjunction with a large _value argument, as exploited in the wild in April 2018, aka the "batchOverflow" issue.

Type:

CWE-190

 (Integer Overflow or Wraparound)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Ethereum project -> Ethereum 
Beauty -> Beauty ecosystem coin 

 References:
https://dasp.co/#item-3
https://medium.com/secbit-media/a-disastrous-vulnerability-found-in-smart-contracts-of-beautychain-bec-dbf24ddbc30e
https://peckshield.com/2018/04/22/batchOverflow/
https://support.okex.com/hc/en-us/articles/360002944212-BeautyChain-BEC-Withdrawal-and-Trading-Suspended
https://twitter.com/OKEx_/status/987967343983714304
https://www.reddit.com/r/ethereum/comments/8esyg9/okex_erc20_bug/
Copyright 2024, cxsecurity.com

 

Back to Top