{"id":"CVE-2018-17882","aliases":["EUVD-2018-9623","GHSA-j5v9-wwhw-xfgv"],"status":"published","title":"An Integer overflow vulnerability exists in the batchTransfer function of a smart contract...","description":"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.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01321,"percentile":0.7106,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-190"],"published":"2019-03-15T20:00:00Z","modified":"2026-06-17T01:46:27Z","products":[{"vendor":"cryptobots","product":"battletoken"}],"references":[{"url":"https://etherscan.io/address/0x4daa9dc438a77bd59e8a43c6d46cbfe84cd04255#code","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://github.com/GreenFoxy/Smart-contract-Vulnerabilities/blob/master/BattleToken.md","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-17882"},{"url":"https://github.com/advisories/GHSA-j5v9-wwhw-xfgv"}],"sources":{"cve":[{"id":"CVE-2018-17882","description":"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.","status":"published","published":"2019-03-15T20:00:00Z","modified":"2024-08-05T11:01:14.689Z","updated_at":"2026-11-02T14:35:07.672841Z"}],"euvd":[{"id":"EUVD-2018-9623","description":"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.","status":"published","published":"2019-03-15T20:00:00Z","modified":"2024-08-05T11:01:14Z","updated_at":"2026-11-03T02:39:37.172177Z"}],"ghsa":[{"id":"GHSA-j5v9-wwhw-xfgv","title":"An Integer overflow vulnerability exists in the batchTransfer function of a smart contract...","description":"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.","status":"published","published":"2022-05-14T01:19:57Z","modified":"2023-02-02T05:03:30Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T14:51:39.380797Z"}],"nvd":[{"id":"CVE-2018-17882","description":"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.","status":"published","published":"2019-03-15T20:29:00.51Z","modified":"2026-06-17T01:46:27.673Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T14:04:54.21788Z"}]}}