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GoogleOSV:GHSA-977X-G7H5-7QGWHistoryAug 02, 2024 - 9:31 a.m.
Elliptic's ECDSA missing check for whether leading bit of r and s is zero
2024-08-0209:31:35
Google
osv.dev
70
elliptic package
node.js
ecdsa signature
malleability
missing check
leading bit zero
software
CVSS3
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
AI Score
6.9
Confidence
High
EPSS
0
Percentile
9.4%
In the Elliptic package 6.5.6 for Node.js, ECDSA signature malleability occurs because there is a missing check for whether the leading bit of r and s is zero.
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CVSS3
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Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
AI Score
6.9
Confidence
High
EPSS
0
Percentile
9.4%
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