CVE-2024-50354

Out-of-memory during deserialization with crafted inputs

gnark is a fast zk-SNARK library that offers a high-level API to design circuits. In gnark 0.11.0 and earlier, deserialization of Groth16 verification keys allocate excessive memory, consuming a lot of resources and triggering a crash with the error fatal error: runtime: out of memory.

Affected

Consensys · gnark

CVSS v4.0 GitHub

6.8 MEDIUMCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

CVSS v3.1 GITHUB

5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS

0.33% chance of exploitation in the next 30 days, 24th percentile

Published

2024-10-31

Proof-of-concept exploits (1)

• Consensys/gnark/security/advisories/GHSA-cph5-3pgr-c82g

Security advisories

• advisories/GHSA-cph5-3pgr-c82g
• Consensys/gnark/pull/1307

References

• CVE Record
• NVD entry