CVE-2018-17882 json
An Integer overflow vulnerability exists in the batchTransfer function of a smart contract implementation for CryptoBotsBattle (CBTB), an E…
published 2019-03-15 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-9623
- cvss
- 7.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.3%
- EPSS 1.3% chance of exploitation in 30 days, percentile 71%
- public exploits
- 0
- none known
Summary
An Integer overflow vulnerability exists in the batchTransfer function of a smart contract implementation for CryptoBotsBattle (CBTB), an Ethereum token. This vulnerability could be used by an attacker to create an arbitrary amount of tokens for any user.
Exploit prediction
1.32% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/GreenFoxy/Smart-contract-Vulnerabilities/blob/master/BattleToken.md referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-190 Integer Overflow or Wraparound
References
-
github.com
/GreenFoxy/Smart-contract-Vulnerabilities/blob/master/BattleToken.md
exploit, third-party-advisory
-
etherscan.io
/address/0x4daa9dc438a77bd59e8a43c6d46cbfe84cd04255#code
third-party-advisory
Sources
- CVE List CVE-2018-17882
- NVD CVE-2018-17882
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