CVE-2021-43309 ReDoS in uri-template-lite URI.expand function

2022-08-2415:48:36

CWE-1333

JFROG

www.cve.org

exponential redos

uri-template-lite

uri.expand

arbitrary input

regular expression denial of service

CVSS3

5.9

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.001

Percentile

40.9%

JSON

An exponential ReDoS (Regular Expression Denial of Service) can be triggered in the uri-template-lite npm package, when an attacker is able to supply arbitrary input to the “URI.expand” method

CNA Affected

[
  {
    "product": "uri-template-lite",
    "vendor": "uri-template-lite",
    "versions": [
      {
        "lessThan": "22.9.0",
        "status": "affected",
        "version": "0",
        "versionType": "custom"
      }
    ]
  }
]