CVE-2018-15552 Business logic in n/a
Attackers can predict random values in the Ethereum Lottery smart contract to always win rewards, undermining the game's integrity.
- 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-2018-15552?
CVE-2018-15552 is a high-severity vulnerability in n/a, published on 7 Sep 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The "PayWinner" function of a simplelottery smart contract implementation for The Ethereum Lottery, an Ethereum gambling game, generates a random value with publicly readable variable "maxTickets" (which is private, yet predictable and readable by the eth.getStorageAt function). Therefore, it allows attackers to always win and get rewards.
Weakness: CWE-338
Which versions are affected by CVE-2018-15552?
It affects 1 product.
Products include Theethereumlottery the Ethereum Lottery.
How do I fix CVE-2018-15552?
No fix has been published for CVE-2018-15552 yet. Limit exposure of the affected software until one is available.
Is CVE-2018-15552 being exploited?
There is no known exploitation of CVE-2018-15552 in the wild and no public exploit code.
Sources
Also known as GHSA-cj6v-rj8x-qr97.