high
7.5
CWE
1333 400
Advisory Published
Updated

CVE-2021-23362

First published: Tue Mar 23 2021(Updated: )

Node.js hosted-git-info module is vulnerable to a denial of service, caused by a regular expression denial of service (ReDoS) flaw in the fromUrl function in index.js. By sending a specially-crafted regex input, a remote attacker could exploit this vulnerability to cause a denial of service condition.

Credit: report@snyk.io report@snyk.io

Affected SoftwareAffected VersionHow to fix
redhat/rh-nodejs12-nodejs<0:12.22.2-1.el7
0:12.22.2-1.el7
redhat/rh-nodejs12-nodejs-nodemon<0:2.0.3-2.el7
0:2.0.3-2.el7
redhat/rh-nodejs14-nodejs<0:14.17.2-1.el7
0:14.17.2-1.el7
redhat/rh-nodejs14-nodejs-nodemon<0:2.0.3-2.el7
0:2.0.3-2.el7
Npmjs Hosted-git-info>=2.0.0<2.8.9
Npmjs Hosted-git-info>=3.0.0<3.0.8
Siemens Sinec Infrastructure Network Services<1.0.1.1

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the vulnerability ID for this vulnerability?

    The vulnerability ID for this vulnerability is CVE-2021-23362.

  • What is the severity of CVE-2021-23362?

    The severity of CVE-2021-23362 is high with a score of 7.5.

  • Which software versions are affected by CVE-2021-23362?

    The affected software versions are hosted-git-info before 3.0.8 and 2.0.0 to 2.8.9.

  • How can an attacker exploit CVE-2021-23362?

    An attacker can exploit CVE-2021-23362 by crafting a regular expression that takes an ever increasing amount of time to process, leading to a denial of service.

  • Where can I find more information about CVE-2021-23362?

    You can find more information about CVE-2021-23362 at the following references: [link1](https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf), [link2](https://github.com/npm/hosted-git-info/commit/29adfe5ef789784c861b2cdeb15051ec2ba651a7), [link3](https://github.com/npm/hosted-git-info/commit/8d4b3697d79bcd89cdb36d1db165e3696c783a01).

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