Vulnerability Details CVE-2018-10299
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.011
EPSS Ranking 77.2%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0
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/
- 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/
Products affected by CVE-2018-10299
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cpe:2.3:a:beauty:beauty_ecosystem_coin:-