GitHub Advisoryadvisory · npm
GHSA-pch5-whg9-qr2r netmask npm package mishandles octal input data
MEDIUM
Official page ↗
- Aliases
- CVE-2021-29418
- Ecosystem
- npm
- Packages
- netmask
- Severity
- Moderate
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- Weaknesses
- CWE-20
- Reviewed
- 2021-03-29
Affected packages
• npm netmask: < 2.0.1 → fixed in 2.0.1
Description
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.
Related
Alias · CVE (1)
- CVE-2021-29418 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. vulnerability
Weakness · CWE (1)
- CWE-20 Improper Input Validation weakness
References
- https://nvd.nist.gov/vuln/detail/CVE-2021-29418 advisory
- https://github.com/rs/node-netmask/commit/3f19a056c4eb808ea4a29f234274c67bc5a848f4 web
- https://security.netapp.com/advisory/ntap-20210604-0001 web
- https://sick.codes/sick-2021-011 web
- 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 web
- https://vuln.ryotak.me/advisories/6 web
- https://www.npmjs.com/package/netmask web