CVE-2018-13539 — HIGH (7.5)

Vulnerability Description

The mintToken function of a smart contract implementation for Bcxss, 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
Bcxss Project	Bcxss	-

Related Weaknesses (CWE)

CWE-190

References

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

FAQ

What is CVE-2018-13539?

CVE-2018-13539 is a vulnerability with a CVSS score of 7.5 (HIGH). The mintToken function of a smart contract implementation for Bcxss, an Ethereum token, has an integer overflow that allows the owner of the contract to set the balance of an arbitrary user to any val...

How severe is CVE-2018-13539?

CVE-2018-13539 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-2018-13539?

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