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veracodeVeracode Vulnerability DatabaseVERACODE:48390
HistoryAug 06, 2024 - 10:41 a.m.

ECDSA Signature Malleability

2024-08-0610:41:32
Veracode Vulnerability Database
sca.analysiscenter.veracode.com
5
ecdsa
vulnerability
ber-encoded
manipulation
elliptic curve

CVSS3

9.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

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

AI Score

7.1

Confidence

Low

EPSS

0.001

Percentile

39.6%

Elliptic is vulnerable to Signature Malleability. The vulnerability is due to the acceptance of BER-encoded signatures which allows for the manipulation of ECDSA signatures.

CVSS3

9.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

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

AI Score

7.1

Confidence

Low

EPSS

0.001

Percentile

39.6%