CVEvulnerability

CVE-2025-24802

8.6 HIGH Published 2025-01-30 Modified 2026-06-17 Official page ↗
Status
Deferred
Published
2025-01-30
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
8.6 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
Weaknesses
CWE-1240

Description

Plonky2 is a SNARK implementation based on techniques from PLONK and FRI. Lookup tables, whose length is not divisible by 26 = floor(num_routed_wires / 3) always include the 0 -> 0 input-output pair. Thus a malicious prover can always prove that f(0) = 0 for any lookup table f (unless its length happens to be divisible by 26). The cause of problem is that the LookupTableGate-s are padded with zeros. A workaround from the user side is to extend the table (by repeating some entries) so that its length becomes divisible by 26. This vulnerability is fixed in 1.0.1.

Related

Weakness · CWE (1)

  • CWE-1240 Use of a Cryptographic Primitive with a Risky Implementation weakness

References