Vulnerability CVE-2020-7754
Published: 2020-10-27

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.

Type:

NVD-CWE-noinfo

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Npmjs -> Npm-user-validate 

 References:
https://github.com/npm/npm-user-validate/commit/c8a87dac1a4cc6988b5418f30411a8669bef204e
https://github.com/npm/npm-user-validate/security/advisories/GHSA-xgh6-85xh-479p
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1019353
https://snyk.io/vuln/SNYK-JS-NPMUSERVALIDATE-1019352
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