Ecosyste.ms: Advisories

Security Advisories: MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLXhmaHAtZ21oOC1yOHYy

printf vulnerable to Regular Expression Denial of Service (ReDoS)

The package printf before 0.6.1 are vulnerable to Regular Expression Denial of Service (ReDoS) via the regex string

/\%(?:\(([\w_.]+)\)|([1-9]\d*)\$)?([0 +\-\]*)(\*|\d+)?(\.)?(\*|\d+)?[hlL]?([\%bscdeEfFgGioOuxX])/g

in lib/printf.js. The vulnerable regular expression has cubic worst-case time complexity.

Permalink: https://github.com/advisories/GHSA-xfhp-gmh8-r8v2
JSON: https://advisories.ecosyste.ms/api/v1/advisories/MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLXhmaHAtZ21oOC1yOHYy
Source: GitHub Advisory Database
Origin: Unspecified
Severity: High
Classification: General
Published: over 3 years ago
Updated: about 1 year ago

CVSS Score: 7.5
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Identifiers: GHSA-xfhp-gmh8-r8v2, CVE-2021-23354
References:

• https://nvd.nist.gov/vuln/detail/CVE-2021-23354
• https://github.com/adaltas/node-printf/issues/31
• https://github.com/adaltas/node-printf/pull/32
• https://github.com/adaltas/node-printf/commit/a8502e7c9b0b22555696a2d8ef67722086413a68
• https://snyk.io/vuln/SNYK-JS-PRINTF-1072096
• https://github.com/advisories/GHSA-xfhp-gmh8-r8v2

Repository: https://github.com/adaltas/node-printf
Blast Radius: 32.0

Affected Packages