PT-2018-11690 · Nctr · Nectar

Published 2018-07-05 · Updated 2018-08-27 · CVE-2018-13209

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 Nectar (NCTR) smart contract implementation (affected versions not specified)

Description The issue concerns an integer overflow in the sell function of the smart contract implementation. Specifically, when amount * sellPrice equals zero, it can lead to a reduction in a seller's assets.

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-2018-13209

Affected Products

Nectar

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2018-13209 · Security Note
• https://github.com/BlockChainsSecurity/EtherTokens/tree/master/NectarCoin · Note
• https://github.com/BlockChainsSecurity/EtherTokens/blob/master/ETHEREUMBLACK/sell%20integer%20overflow.md · Note