Out-of-bounds Read in Ethereum

CVE-2017-14451

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.

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.026 (85.0th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 85.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2017-14451: held from 0.026 to 0.026.

EPSS over last 30 days · oldest: 0.026 · newest: 0.026 · change: 0.000

Affected products

  • Ethereum
  • Cpp-Ethereum — versions Ethereum commit 4e1015743b95821849d001618a7ce82c7c073768

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2017-14451?
CVE-2017-14451 is a critical-severity vulnerability in Ethereum, classified under Out-of-bounds Read. CVSS score: 10.0/10. Published 2020-12-02.
How severe is CVE-2017-14451?
Critical severity. CVSS v3 base score is 10.0 out of 10.
Is CVE-2017-14451 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.