CVE-2018-13220 Integer overflow in n/a

High 7.5 Published Updated

An integer overflow in the MAVCash token sell function allows attackers to reduce seller assets by manipulating price calculations.

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-2018-13220?

CVE-2018-13220 is a high-severity vulnerability in n/a, published on 5 Jul 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The sell function of a smart contract implementation for MAVCash, an Ethereum token, has an integer overflow in which "amount * sellPrice" can be zero, consequently reducing a seller's assets.

Weakness: CWE-190

Which versions are affected by CVE-2018-13220?

It affects 1 product.

Products include Mavcash Project Mavcash.

How do I fix CVE-2018-13220?

No fix has been published for CVE-2018-13220 yet. Limit exposure of the affected software until one is available.

Is CVE-2018-13220 being exploited?

There is no known exploitation of CVE-2018-13220 in the wild and no public exploit code.

Sources

Also known as GHSA-7p62-4g97-h64x.

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