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githubGitHub Advisory DatabaseGHSA-9XFQ-8J3R-XP5G
HistorySep 28, 2023 - 6:30 a.m.

Consensys gnark-crypto allows Signature Malleability

2023-09-2806:30:20
CWE-502
GitHub Advisory Database
github.com
10
consensys gnark-crypto
signature malleability
eddsa
ecdsa
deserialisation

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.001 Low

EPSS

Percentile

27.3%

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.

Affected configurations

Vulners
Node
github.com\/consensys\/gnarkcryptoRange<0.12.0

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.001 Low

EPSS

Percentile

27.3%

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