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Consensys gnark-crypto allows Signature Malleability

Critical severity GitHub Reviewed Published Sep 28, 2023 to the GitHub Advisory Database • Updated Nov 9, 2023

Package

gomod github.com/Consensys/gnark-crypto (Go)

Affected versions

< 0.12.0

Patched versions

0.12.0

Description

Consensys gnark-crypto through 0.11.2 allows Signature Malleability. This occurs because deserialisation of EdDSA and ECDSA signatures does not ensure that the data is in a certain interval.

References

Published by the National Vulnerability Database Sep 28, 2023
Published to the GitHub Advisory Database Sep 28, 2023
Reviewed Sep 28, 2023
Last updated Nov 9, 2023

Severity

Critical
9.8
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses

CVE ID

CVE-2023-44273

GHSA ID

GHSA-9xfq-8j3r-xp5g

Source code

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