Integer overflow in Smartmesh
CVE-2018-10376
An integer overflow in the transferProxy function of a smart contract implementation for SmartMesh (aka SMT), an Ethereum ERC20 token, allows attackers to accomplish an unauthorized increase of digital assets via crafted _fee and _value parameters, as exploited in the wild in April 2018, aka the "proxyOverflow" issue.
Vulnerability class: Integer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.018 (77.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 77.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: -0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- peckshield.com/2018/04/25/proxyOverflow/ (Exploit, Third Party Advisory)
- www.reddit.com/r/ethereum/comments/8esyg9/okex_erc20_bug/ (Exploit, Third Party Advisory)
- dasp.co/ (Not Applicable)
Frequently asked questions
- What is CVE-2018-10376?
- CVE-2018-10376 is a high-severity vulnerability in Smartmesh, classified under Integer Overflow or Wraparound. CVSS score: 7.5/10. Published 2018-04-25.
- How severe is CVE-2018-10376?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2018-10376 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.