CVE-2020-7754
Apache npm User validates ReDoS Email
Description
This affects the package npm-user-validate before 1.0.1. The regex that validates user emails took exponentially longer to process long input strings beginning with @ characters.
INFO
Published Date :
Oct. 27, 2020, 3:15 p.m.
Last Modified :
Nov. 21, 2024, 5:37 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2020-7754 has a 2 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
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-2020-7754.
| URL | Resource |
|---|---|
| https://github.com/npm/npm-user-validate/commit/c8a87dac1a4cc6988b5418f30411a8669bef204e | Patch Third Party Advisory |
| https://github.com/npm/npm-user-validate/security/advisories/GHSA-xgh6-85xh-479p | Third Party Advisory |
| https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1019353 | Exploit Third Party Advisory |
| https://snyk.io/vuln/SNYK-JS-NPMUSERVALIDATE-1019352 | Exploit Third Party Advisory |
| https://github.com/npm/npm-user-validate/commit/c8a87dac1a4cc6988b5418f30411a8669bef204e | Patch Third Party Advisory |
| https://github.com/npm/npm-user-validate/security/advisories/GHSA-xgh6-85xh-479p | Third Party Advisory |
| https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1019353 | Exploit Third Party Advisory |
| https://snyk.io/vuln/SNYK-JS-NPMUSERVALIDATE-1019352 | Exploit 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).
List of RegEx DoS (ReDoS) CVEs and resources
security awesome redos regex dos regex-dos pentesting awesome-list regex-security
A list of CVE's with Proof of Concepts
JavaScript HTML Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-7754 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-7754 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 af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://github.com/npm/npm-user-validate/commit/c8a87dac1a4cc6988b5418f30411a8669bef204e Added Reference https://github.com/npm/npm-user-validate/security/advisories/GHSA-xgh6-85xh-479p Added Reference https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1019353 Added Reference https://snyk.io/vuln/SNYK-JS-NPMUSERVALIDATE-1019352 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Oct. 27, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:P) Changed Reference Type https://github.com/npm/npm-user-validate/commit/c8a87dac1a4cc6988b5418f30411a8669bef204e No Types Assigned https://github.com/npm/npm-user-validate/commit/c8a87dac1a4cc6988b5418f30411a8669bef204e Patch, Third Party Advisory Changed Reference Type https://github.com/npm/npm-user-validate/security/advisories/GHSA-xgh6-85xh-479p No Types Assigned https://github.com/npm/npm-user-validate/security/advisories/GHSA-xgh6-85xh-479p Third Party Advisory Changed Reference Type https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1019353 No Types Assigned https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1019353 Exploit, Third Party Advisory Changed Reference Type https://snyk.io/vuln/SNYK-JS-NPMUSERVALIDATE-1019352 No Types Assigned https://snyk.io/vuln/SNYK-JS-NPMUSERVALIDATE-1019352 Exploit, Third Party Advisory Added CWE NIST NVD-CWE-noinfo Added CPE Configuration OR *cpe:2.3:a:npmjs:npm-user-validate:*:*:*:*:*:node.js:*:* versions up to (excluding) 1.0.1 -
CVE Modified by [email protected]
Oct. 27, 2020
Action Type Old Value New Value Changed Description This affects the package npm-user-validate before 1.0.1. The regex that validates user emails took exponentially longer to process long input strings beginning with @ characters. This affects the package npm-user-validate before 1.0.1. The regex that validates user emails took exponentially longer to process long input strings beginning with @ characters.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-7754 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-2020-7754
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.39 }} 0.03%
score
0.73040
percentile