7.7 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
LOW
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
6.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
0.004 Low
EPSS
Percentile
71.6%
The Elliptic package before version 6.5.3 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.
github.com/advisories/GHSA-vh7m-p724-62c2
github.com/indutny/elliptic/commit/856fe4d99fe7b6200556e6400b3bf585b1721bec
github.com/indutny/elliptic/issues/226
medium.com/@herman_10687/malleability-attack-why-it-matters-7b5f59fb99a4
nvd.nist.gov/vuln/detail/CVE-2020-13822
www.npmjs.com/package/elliptic
yondon.blog/2019/01/01/how-not-to-use-ecdsa/
7.7 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
LOW
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
6.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
0.004 Low
EPSS
Percentile
71.6%