CVE-2018-19831 Missing authorization in n/a
Attackers can change the owner of the Cryptbond Network smart contract due to missing identity checks in the ToOwner function.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-19831?
CVE-2018-19831 is a high-severity missing authorization vulnerability in n/a, published on 31 Dec 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The ToOwner() function of a smart contract implementation for Cryptbond Network (CBN), an tradable Ethereum ERC20 token, allows attackers to change the owner of the contract, because the function does not check the caller's identity.
Weakness: CWE-287
Which versions are affected by CVE-2018-19831?
It affects 1 product.
Products include Cryptbond Network Project Cryptbond Network.
How do I fix CVE-2018-19831?
No fix has been published for CVE-2018-19831 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2018-19831 being exploited?
There is no known exploitation of CVE-2018-19831 in the wild and no public exploit code.
Sources
Also known as GHSA-g2j6-57h3-m248.