CVE Vulnerability

CVE-2021-23354

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.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://snyk.io/vuln/SNYK-JS-PRINTF-1072096 Broken Link
https://github.com/adaltas/node-printf/issues/31 Exploit Issue Tracking
https://github.com/adaltas/node-printf/pull/32 Patch Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:adaltas:printf:*:*:*:*:*:node.js:*:*
Information

Published : 2021-03-12 03:15

Updated : 2021-03-18 04:57

NVD link : CVE-2021-23354

Mitre link : CVE-2021-23354

Products Affected
No products.
CWE
NVD-CWE-Other