PT-2018-11705 · R · R Time Token V3

Published 2018-07-05 · Updated 2018-09-02 · CVE-2018-13223

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 R Time Token v3 (RS)

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

Recommendations For R Time Token v3 (RS), consider temporarily disabling the sell function in the RTokenMain contract until a patch is available to prevent potential asset reduction due to the integer overflow issue.

Fix

Integer Overflow

Weakness Enumeration

CWE-190

Related Identifiers

CVE-2018-13223

Affected Products

R Time Token V3

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2018-13223 · Security Note
• https://github.com/BlockChainsSecurity/EtherTokens/blob/master/ETHEREUMBLACK/sell%20integer%20overflow.md · Note
• https://github.com/BlockChainsSecurity/EtherTokens/tree/master/RTokenMain · Note