CVE-2021-43308 Exponential ReDoS in markdown-link-extractor

2022-05-2900:00:00

CWE-1333

JFROG

www.cve.org

5.9 Medium

CVSS3

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

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

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"
      }
    ]
  }
]