CVE-2020-13822

The Elliptic package 6.5.2 for Node.js allows ECDSA signature malleability via variations in encoding, leading '\0' bytes, or integer overflows. This could conceivably have a security-relevant impact if an application relied on a single canonical signature.

CVSS v3.0 7.7 HIGH
CVSS v2.0 6.8 MEDIUM

7.7^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 2.2 / Impact : 5.5

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact LOW

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:P

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://yondon.blog/2019/01/01/how-not-to-use-ecdsa/	Third Party Advisory
https://www.npmjs.com/package/elliptic	Third Party Advisory
https://github.com/indutny/elliptic/issues/226	Exploit Third Party Advisory
https://medium.com/@herman_10687/malleability-attack-why-it-matters-7b5f59fb99a4	Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:a:elliptic_project:elliptic:6.5.2:*:*:*:*:node.js:*:*

Information

Published : 2020-06-04 08:15

Updated : 2020-07-02 06:17

NVD link : CVE-2020-13822

Mitre link : CVE-2020-13822

JSON object : View

CWE

CWE-190

Integer Overflow or Wraparound

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Products Affected

elliptic_project

elliptic

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