Ubuntu.comUB:CVE-2020-13822CVE-2020-13822
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 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.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| ubuntu | 18.04 | noarch | node-elliptic | < any | UNKNOWN |
| ubuntu | 20.04 | noarch | node-elliptic | < any | UNKNOWN |
References
github.com/indutny/elliptic/issues/226
launchpad.net/bugs/cve/CVE-2020-13822
medium.com/@herman_10687/malleability-attack-why-it-matters-7b5f59fb99a4
nvd.nist.gov/vuln/detail/CVE-2020-13822
security-tracker.debian.org/tracker/CVE-2020-13822
www.cve.org/CVERecord?id=CVE-2020-13822
www.npmjs.com/package/elliptic
yondon.blog/2019/01/01/how-not-to-use-ecdsa/
Related
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%