CVE-2017-14451 Memory corruption in CPP-Ethereum
A malicious smart contract can trigger out-of-bounds memory access in CPP-Ethereum's EVM, leading to remote code execution.
- 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-2017-14451?
CVE-2017-14451 is a critical memory corruption vulnerability in CPP-Ethereum, published on 2 Dec 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An exploitable out-of-bounds read vulnerability exists in libevm (Ethereum Virtual Machine) of CPP-Ethereum. A specially crafted smart contract code can cause an out-of-bounds read which can subsequently trigger an out-of-bounds write resulting in remote code execution. An attacker can create/send malicious smart contract to trigger this vulnerability.
Weakness: CWE-125
Which versions are affected by CVE-2017-14451?
It affects 1 product.
Products include Ethereum Ethereum.
How do I fix CVE-2017-14451?
No fix has been published for CVE-2017-14451 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2017-14451 being exploited?
There is no known exploitation of CVE-2017-14451 in the wild and no public exploit code.
Sources
Also known as GHSA-64ww-85jr-gp6p.