Integer overflow in Crypto Alley Shares Project
CVE-2018-13488
The mintToken function of a smart contract implementation for Crypto Alley Shares (CAST), 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.
Vulnerability class: Integer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.010 (61.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 61.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000
Affected products
Weakness classification (CWE)
References
- github.com/BlockChainsSecurity/EtherTokens/tree/master/CAST (Third Party Advisory)
- github.com/BlockChainsSecurity/EtherTokens/blob/master/GEMCHAIN/mint integer ov… (Third Party Advisory)
Frequently asked questions
- What is CVE-2018-13488?
- CVE-2018-13488 is a high-severity vulnerability in Crypto Alley Shares Project, classified under Integer Overflow or Wraparound. CVSS score: 7.5/10. Published 2018-07-09.
- How severe is CVE-2018-13488?
- High severity. CVSS v3 base score is 7.5 out of 10.