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[email protected]CVE-2021-43308

HistoryJun 02, 2022 - 2:15 p.m.

CVE-2021-43308

2022-06-0214:15:31

CWE-1333

[email protected]

web.nvd.nist.gov

cve-2021-43308

nvd

security

redos

npm package

markdown-link-extractor

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.001 Low

EPSS

Percentile

37.0%

JSON

An exponential ReDoS (Regular Expression Denial of Service) can be triggered in the markdown-link-extractor npm package, when an attacker is able to supply arbitrary input to the module’s exported function

Affected configurations

NVD

Node

markdown-link-extractor_projectmarkdown-link-extractorRange<3.0.2node.js

markdown-link-extractor_projectmarkdown-link-extractorMatch4.0.0node.js

CPENameOperatorVersion
markdown-link-extractor_project:markdown-link-extractormarkdown-link-extractor project markdown-link-extractorlt3.0.2
markdown-link-extractor_project:markdown-link-extractormarkdown-link-extractor project markdown-link-extractoreq4.0.0

CPE	Name	Operator	Version
markdown-link-extractor_project:markdown-link-extractor	markdown-link-extractor project markdown-link-extractor	lt	3.0.2
markdown-link-extractor_project:markdown-link-extractor	markdown-link-extractor project markdown-link-extractor	eq	4.0.0

CNA Affected

[
  {
    "product": "markdown-link-extractor",
    "vendor": "markdown-link-extractor",
    "versions": [
      {
        "changes": [
          {
            "at": "4.0.1",
            "status": "unaffected"
          }
        ],
        "lessThan": "3.0.2",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]