CVE-2018-10299
CVE-2018-10299 is a high-severity vulnerability in Beauty Beauty Ecosystem Coin with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-190.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 3% (85th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-190
- Affected product: Beauty Beauty Ecosystem Coin
- Published:
- Last modified:
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2018-10299?
- CVE-2018-10299 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
- Is CVE-2018-10299 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-10299?
- CVE-2018-10299 affects Beauty Beauty Ecosystem Coin. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2018-10299?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2018-10299 published?
- CVE-2018-10299 was published on 2018-04-23 and last updated on 2026-06-17.
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/
Affected products (1)
- cpe:2.3:a:beauty:beauty_ecosystem_coin:-:*:*:*:*:*:*:*
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