CVE-2018-18667 — HIGH (7.5)

Vulnerability Description

The mintToken function of Pylon (PYLNT) aka PylonToken, 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, a related issue to CVE-2018-11812.

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
Pylon-Network	Pylontoken	-

Related Weaknesses (CWE)

CWE-190

References

https://etherscan.io/address/0x7703c35cffdc5cda8d27aa3df2f9ba6964544b6e#codeThird Party Advisory
https://github.com/klenergy/ethereum-contracts/issues/1ExploitThird Party Advisory
https://github.com/n0pn0pn0p/smart_contract_-vulnerability/blob/master/PolyAi.mdExploitThird Party Advisory
https://etherscan.io/address/0x7703c35cffdc5cda8d27aa3df2f9ba6964544b6e#codeThird Party Advisory
https://github.com/klenergy/ethereum-contracts/issues/1ExploitThird Party Advisory
https://github.com/n0pn0pn0p/smart_contract_-vulnerability/blob/master/PolyAi.mdExploitThird Party Advisory

FAQ

What is CVE-2018-18667?

CVE-2018-18667 is a vulnerability with a CVSS score of 7.5 (HIGH). The mintToken function of Pylon (PYLNT) aka PylonToken, 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, a related...

How severe is CVE-2018-18667?

CVE-2018-18667 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-2018-18667?

Check the references section above for vendor advisories and patch information. Affected products include: Pylon-Network Pylontoken.