VulnerabilityModified
CVE-2018-13172
The mintToken function of a smart contract implementation for bzxcoin (BZX), an Ethereum token, has an integer overflow that allows the owner of the contract to set the balance of an arbitrary user to any value.
HIGH 7.5EPSS 1.09%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.09%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
The mintToken function of a smart contract implementation for bzxcoin (BZX), an Ethereum token, has an integer overflow that allows the owner of the contract to set the balance of an arbitrary user to any value.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- EPSS
- 1.09% probability · 64th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-190
- Affected
- bzxcoin project/bzxcoin
- Source
- cve@mitre.org
References
- https://github.com/BlockChainsSecurity/EtherTokens/blob/master/GEMCHAIN/mint%20integer%20overflow.mdExploit, Third Party Advisory
- https://github.com/BlockChainsSecurity/EtherTokens/tree/master/bzxcoinThird Party Advisory
- https://github.com/BlockChainsSecurity/EtherTokens/blob/master/GEMCHAIN/mint%20integer%20overflow.mdExploit, Third Party Advisory
- https://github.com/BlockChainsSecurity/EtherTokens/tree/master/bzxcoinThird Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.