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Vulnerability of Node.js npm-user-validate: overload via Regular Expression

Synthesis of the vulnerability 

An attacker can trigger an overload via Regular Expression of Node.js npm-user-validate, in order to trigger a denial of service.
Impacted products: Nodejs Modules ~ not comprehensive, RHEL.
Severity of this bulletin: 2/4.
Creation date: 19/10/2020.
Références of this threat: CVE-2020-7754, GHSA-xgh6-85xh-479p, NPM-1572, RHSA-2021:0421-01, RHSA-2021:0485-01, RHSA-2021:0521-01, RHSA-2021:0548-01, RHSA-2021:0549-01, RHSA-2021:0551-01, VIGILANCE-VUL-33621.

Description of the vulnerability 

An attacker can trigger an overload via Regular Expression of Node.js npm-user-validate, in order to trigger a denial of service.
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This computer threat announce impacts software or systems such as Nodejs Modules ~ not comprehensive, RHEL.

Our Vigil@nce team determined that the severity of this computer vulnerability is medium.

The trust level is of type confirmed by the editor, with an origin of intranet client.

An attacker with a expert ability can exploit this cybersecurity alert.

Solutions for this threat 

Node.js npm-user-validate: version 1.0.1.
The version 1.0.1 is fixed:
  https://www.npmjs.com/package/npm-user-validate

RHEL 7: new rh-nodejs10-nodejs packages.
New packages are available:
  RHEL 7.0-7.9: rh-nodejs10-nodejs 10.23.1-2.el7

RHEL 7: new rh-nodejs12-nodejs packages.
New packages are available:
  RHEL 7.0-7.9: rh-nodejs12-nodejs 12.20.1-1.el7

RHEL 7: new rh-nodejs14-nodejs packages.
New packages are available:
  RHEL 7.0-7.9: rh-nodejs14-nodejs 14.15.4-2.el7

RHEL 8: new nodejs-10 module.
The following module is updated:
  RHEL 8 Module: nodejs:10

RHEL 8: new nodejs-12 module.
The following module is updated:
  RHEL 8 Module: nodejs:12

RHEL 8: new nodejs-14 module.
The following module is updated:
  RHEL 8 Module: nodejs:14
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