Auth bypass in 0kims Snarkjs

CVE-2023-33252

iden3 snarkjs through 0.6.11 allows double spending because there is no validation that the publicSignals length is less than the field modulus.

Vulnerability class: Broken Access Control

EPSS: 0.006 (44.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

0kims Snarkjs
N/a — versions n/a

Weakness classification (CWE)

CWE-862 — Missing Authorization

Public proof-of-concept exploits

References

cve@mitre.org (Product)
cve@mitre.org (Product)

Frequently asked questions

What is CVE-2023-33252?: CVE-2023-33252 is a high-severity vulnerability in 0kims Snarkjs, classified under Missing Authorization. CVSS score: 7.5/10. Published 2023-05-21.
How severe is CVE-2023-33252?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2023-33252 known to be exploited?: 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.