An integer overflow has been found in the the latest version of Issuer. The total issuedCount can be zero if the parameter is overly large. An attacker can obtain the private key of the owner issued with a certain ‘amount’, and the issuedCount can be zero if there is an overflow.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-24838
Reference (s):
- https://etherscan.io/address/0xecaad8df0dee0b9ed45ffd1191b024701f21506c#code