CVE-2020-13822
Elliptic ECDSA Signature Encoding Malleability
Description
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.
INFO
Published Date :
June 4, 2020, 3:15 p.m.
Last Modified :
Nov. 7, 2023, 3:16 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.5
Exploitability Score :
2.2
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2020-13822.
| URL | Resource |
|---|---|
| https://github.com/indutny/elliptic/issues/226 | Exploit Third Party Advisory |
| https://medium.com/%40herman_10687/malleability-attack-why-it-matters-7b5f59fb99a4 | |
| https://www.npmjs.com/package/elliptic | Third Party Advisory |
| https://yondon.blog/2019/01/01/how-not-to-use-ecdsa/ | Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-13822 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-13822 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added Reference MITRE https://medium.com/%40herman_10687/malleability-attack-why-it-matters-7b5f59fb99a4 [No types assigned] Removed Reference MITRE https://medium.com/@herman_10687/malleability-attack-why-it-matters-7b5f59fb99a4 -
Reanalysis by [email protected]
Jul. 02, 2020
Action Type Old Value New Value Removed CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P) Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:P/I:P/A:P) Removed CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Added CVSS V3.1 NIST AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L -
Initial Analysis by [email protected]
Jun. 09, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://github.com/indutny/elliptic/issues/226 No Types Assigned https://github.com/indutny/elliptic/issues/226 Exploit, Third Party Advisory Changed Reference Type https://medium.com/@herman_10687/malleability-attack-why-it-matters-7b5f59fb99a4 No Types Assigned https://medium.com/@herman_10687/malleability-attack-why-it-matters-7b5f59fb99a4 Third Party Advisory Changed Reference Type https://www.npmjs.com/package/elliptic No Types Assigned https://www.npmjs.com/package/elliptic Third Party Advisory Changed Reference Type https://yondon.blog/2019/01/01/how-not-to-use-ecdsa/ No Types Assigned https://yondon.blog/2019/01/01/how-not-to-use-ecdsa/ Third Party Advisory Added CWE NIST CWE-190 Added CPE Configuration OR *cpe:2.3:a:elliptic_project:elliptic:6.5.2:*:*:*:*:node.js:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-13822 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2020-13822
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.35 }} 0.00%
score
0.67504
percentile