PT-2019-9928 · Ethereum · Cryptbond Network

Published 2019-12-31 · Updated 2020-01-14 · CVE-2018-19831

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 Cryptbond Network (CBN) (affected versions not specified)

Description The issue concerns the ToOwner() function of a smart contract implementation for Cryptbond Network (CBN), which is an tradable Ethereum ERC20 token. This function allows attackers to change the owner of the contract because it does not check the caller's identity.

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

Exploit

Improper Authentication

Weakness Enumeration

CWE-287

Related Identifiers

CVE-2018-19831

Affected Products

Cryptbond Network

References · 3

• 🔥 https://github.com/SmartContractResearcher/SmartContractSecurity/blob/master/New%20Vulnerabilities%20Allow%20Anyone%20to%20Own%20Certain%20ERC20-Based%20Smart%20Contracts(CVE-2018-19830%2C%20CVE-2018-19831%2C%20CVE-2018-19832%2C%20CVE-2018-19833%2C%20CVE-2018-19834)/README.md · Exploit
• 🔥 https://github.com/SmartContractResearcher/SmartContractSecurity/blob/master/New%20Vulnerabilities%20Allow%20Anyone%20to%20Own%20Certain%20ERC20-Based%20Smart%20Contracts%28CVE-2018-19830%2C%20CVE-2018-19831%2C%20CVE-2018-19832%2C%20CVE-2018-19833%2C%20CVE-2018-19834%29/README.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2018-19831 · Security Note