PT-2018-11867 · Olliscoin · Olliscoin

Published 2018-07-09 · Updated 2018-08-28 · CVE-2018-13489

Positive Technologies (AI Summary)

CVSS v2.0

5.0

Medium

Base vector

AV:N/AC:L/Au:N/C:N/I:P/A:N

Name of the Vulnerable Software and Affected Versions OllisCoin (affected versions not specified)

Description The issue concerns an integer overflow in the mintToken function of a smart contract implementation for OllisCoin, allowing the contract owner to manipulate user balances by setting them to any value. This is achieved through the mintToken function, which is vulnerable due to the integer overflow.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Integer Overflow

Weakness Enumeration

CWE-190

Related Identifiers

CVE-2018-13489

Affected Products

Olliscoin

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2018-13489 · Security Note
• https://github.com/BlockChainsSecurity/EtherTokens/tree/master/OllisCoin · Note
• https://github.com/BlockChainsSecurity/EtherTokens/blob/master/GEMCHAIN/mint%20integer%20overflow.md · Note