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CVE-2021-29418

Good to know:

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Date: March 30, 2021

The netmask package before 2.0.1 for Node.js mishandles certain unexpected characters in an IP address string, such as an octal digit of 9. This (in some situations) allows attackers to bypass access control that is based on IP addresses. NOTE: this issue exists because of an incomplete fix for CVE-2021-28918.

Language: COFFEE_SCRIPT

Severity Score

Related Resources (9)

https://security.netapp.com/advisory/ntap-20210604-0001
https://vuln.ryotak.me/advisories/6
https://sick.codes/universal-netmask-npm-package-used-by-270000-projects-vulnerable-to-octal-input-data-server-side-request-forgery-remote-file-inclusion-local-file-inclusion-and-more-cve-2021-28918
https://www.npmjs.com/package/netmask
https://sick.codes/sick-2021-011
https://security.netapp.com/advisory/ntap-20210604-0001/
https://nvd.nist.gov/vuln/detail/CVE-2021-29418
https://github.com/rs/node-netmask/commit/3f19a056c4eb808ea4a29f234274c67bc5a848f4
https://www.mend.io/vulnerability-database/CVE-2021-29418

Severity Score

Weakness Type (CWE)

Input Validation

CWE-20

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): LOW
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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