CVE-2018-13488 — HIGH (7.5)

Vulnerability Description

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.

CVSS Score

7.5

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Crypto Alley Shares Project	Crypto Alley Shares	-

Related Weaknesses (CWE)

CWE-190

References

https://github.com/BlockChainsSecurity/EtherTokens/blob/master/GEMCHAIN/mint%20iThird Party Advisory
https://github.com/BlockChainsSecurity/EtherTokens/tree/master/CASTThird Party Advisory
https://github.com/BlockChainsSecurity/EtherTokens/blob/master/GEMCHAIN/mint%20iThird Party Advisory
https://github.com/BlockChainsSecurity/EtherTokens/tree/master/CASTThird Party Advisory

FAQ

What is CVE-2018-13488?

CVE-2018-13488 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 arbi...

How severe is CVE-2018-13488?

CVE-2018-13488 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-13488?

Check the references section above for vendor advisories and patch information. Affected products include: Crypto Alley Shares Project Crypto Alley Shares.