GitHub Advisoryadvisory · npm

GHSA-xfhp-gmh8-r8v2 printf vulnerable to Regular Expression Denial of Service (ReDoS)

HIGH Published 2021-03-19 Modified 2023-09-08 Official page ↗
Aliases
CVE-2021-23354
Ecosystem
npm
Packages
printf
Severity
High
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses
CWE-400
Reviewed
2021-03-15

Affected packages

• npm printf: < 0.6.1 → fixed in 0.6.1

Description

The package printf before 0.6.1 are vulnerable to Regular Expression Denial of Service (ReDoS) via the regex string ```regex /\%(?:\(([\w_.]+)\)|([1-9]\d*)\$)?([0 +\-\]*)(\*|\d+)?(\.)?(\*|\d+)?[hlL]?([\%bscdeEfFgGioOuxX])/g ``` in `lib/printf.js`. The vulnerable regular expression has cubic worst-case time complexity.

Related

Alias · CVE (1)

  • CVE-2021-23354 The package printf before 0.6.1 are vulnerable to Regular Expression Denial of Service (ReDoS) via the regex string… vulnerability

Weakness · CWE (1)

  • CWE-400 Uncontrolled Resource Consumption weakness

References