CVEvulnerability
CVE-2021-23567
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2022-01-14
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-835
Description
The package colors after 1.4.0 are vulnerable to Denial of Service (DoS) that was introduced through an infinite loop in the americanFlag module. Unfortunately this appears to have been a purposeful attempt by a maintainer of colors to make the package unusable, other maintainers' controls over this package appear to have been revoked in an attempt to prevent them from fixing the issue. Vulnerable Code js for (let i = 666; i < Infinity; i++;) { Alternative Remediation Suggested * Pin dependancy to 1.4.0
Affected configurations
• colors.js project colors.js 1.4.1
• colors.js project colors.js 1.4.44-liberty-2
Related
Weakness · CWE (1)
- CWE-835 Loop with Unreachable Exit Condition weakness
References
- https://github.com/Marak/colors.js/commit/074a0f8ed0c31c35d13d28632bd8a049ff136fb6%23diff-92bbac9a308cd5fcf9db165841f2d90ce981baddcb2b1e26cfff170929af3bd1R18 Patch, Third Party Advisory
- https://github.com/Marak/colors.js/issues/285 Exploit, Issue Tracking, Third Party Advisory
- https://github.com/Marak/colors.js/issues/285%23issuecomment-1008212640 Exploit, Issue Tracking, Third Party Advisory
- https://snyk.io/blog/open-source-maintainer-pulls-the-plug-on-npm-packages-colors-and-faker-now-what/ Exploit, Mitigation, Third Party Advisory
- https://snyk.io/vuln/SNYK-JS-COLORS-2331906 Exploit, Third Party Advisory
- https://github.com/Marak/colors.js/commit/074a0f8ed0c31c35d13d28632bd8a049ff136fb6%23diff-92bbac9a308cd5fcf9db165841f2d90ce981baddcb2b1e26cfff170929af3bd1R18 Patch, Third Party Advisory
- https://github.com/Marak/colors.js/issues/285 Exploit, Issue Tracking, Third Party Advisory
- https://github.com/Marak/colors.js/issues/285%23issuecomment-1008212640 Exploit, Issue Tracking, Third Party Advisory
- https://snyk.io/blog/open-source-maintainer-pulls-the-plug-on-npm-packages-colors-and-faker-now-what/ Exploit, Mitigation, Third Party Advisory
- https://snyk.io/vuln/SNYK-JS-COLORS-2331906 Exploit, Third Party Advisory