CVE-2021-32837

Published Jan 17, 2023

Last updated 2 years ago

Overview

Description: mechanize, a library for automatically interacting with HTTP web servers, contains a regular expression that is vulnerable to regular expression denial of service (ReDoS) prior to version 0.4.6. If a web server responds in a malicious way, then mechanize could crash. Version 0.4.6 has a patch for the issue.
Source: security-advisories@github.com
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

security-advisories@github.com: CWE-1333

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:mechanize_project:mechanize:*:*:*:*:*:python:*:*",
            "vulnerable": true,
            "matchCriteriaId": "29D79742-1F31-48EC-B67A-A49B3B73EADE",
            "versionEndExcluding": "0.4.6"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

References