CVE-2023-26103

Published Feb 25, 2023

Last updated a year ago

Overview

Description: Versions of the package deno before 1.31.0 are vulnerable to Regular Expression Denial of Service (ReDoS) due to the upgradeWebSocket function, which contains regexes in the form of /s*,s*/, used for splitting the Connection/Upgrade header. A specially crafted Connection/Upgrade header can be used to significantly slow down a web socket server.
Source: report@snyk.io
NVD status: Modified

Risk scores

CVSS 3.1

Type: Primary
Base score: 7.5
Impact score: 3.6
Exploitability score: 3.9
Vector string: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Severity: HIGH

Weaknesses

nvd@nist.gov: CWE-1333
report@snyk.io: CWE-1333

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:deno:deno:*:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "EFFBE1A2-4130-4E48-B807-89F14A2D0CE4",
            "versionEndExcluding": "1.31.0"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

References