CVE-2018-10299

Severity: high (CVSS 7.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.6% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2018-04-23 · updated 2026-06-17
Weakness: CWE-190

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.

Affected products

Beauty Ecosystem Coin: all versions

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/

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