CVE-2017-14457 Information disclosure in CPP-Ethereum
A malicious smart contract can trigger an out-of-bounds read in CPP-Ethereum, leading to memory disclosure or denial of service.
- 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-2017-14457?
CVE-2017-14457 is a high-severity vulnerability in Talos CPP-Ethereum, published on 19 Jan 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An exploitable information leak/denial of service vulnerability exists in the libevm (Ethereum Virtual Machine) `create2` opcode handler of CPP-Ethereum. A specially crafted smart contract code can cause an out-of-bounds read leading to memory disclosure or denial of service. An attacker can create/send malicious a smart contract to trigger this vulnerability.
Weakness: CWE-125
Which versions are affected by CVE-2017-14457?
It affects 1 product.
Products include Ethereum Ethereum Virtual Machine.
How do I fix CVE-2017-14457?
No fix has been published for CVE-2017-14457 yet. Limit exposure of the affected software until one is available.
Is CVE-2017-14457 being exploited?
There is no known exploitation of CVE-2017-14457 in the wild and no public exploit code.
Sources
Also known as GHSA-w8h7-7g46-j9v8.