CVE-2024-50354

Out-of-memory during deserialization with crafted inputs

State: Published
Severity: 5.5 Medium
Published: Oct 31, 2024
Updated: Oct 31, 2024
Reserved: Oct 22, 2024

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	5.5 Medium	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	GitHub_M

Weaknesses

CWE-400 Uncontrolled Resource Consumption

Affected Products

Product	Versions
gnarkConsensys	<= 0.11.0Affected

References

https://github.com/Consensys/gnark/security/advisories/GHSA-cph5-3pgr-c82g
https://github.com/Consensys/gnark/pull/1307
https://github.com/Consensys/gnark/commit/47ae846339add2bdf9983e499342bfdfe195191d

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