pysec-2023-25
Vulnerability from pysec
Published
2023-01-17 22:15
Modified
2023-05-04 03:49
Details

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.

Impacted products
Name purl
mechanize pkg:pypi/mechanize
Aliases


To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "mechanize",
        "purl": "pkg:pypi/mechanize"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "dd05334448e9f39814bab044d2eaa5ef69b410d6"
            }
          ],
          "repo": "https://github.com/python-mechanize/mechanize",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.4.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.0.10a",
        "0.0.11a",
        "0.0.1a",
        "0.0.8a",
        "0.0.9a",
        "0.1.0a",
        "0.1.10",
        "0.1.11",
        "0.1.1a",
        "0.1.2b",
        "0.1.4b",
        "0.1.5b",
        "0.1.6b",
        "0.1.7b",
        "0.1.8",
        "0.1.9",
        "0.2.0",
        "0.2.1",
        "0.2.2",
        "0.2.3",
        "0.2.4",
        "0.2.5",
        "0.3.0",
        "0.3.1",
        "0.3.2",
        "0.3.3",
        "0.3.4",
        "0.3.5",
        "0.3.6",
        "0.3.7",
        "0.4.0",
        "0.4.1",
        "0.4.2",
        "0.4.3",
        "0.4.4",
        "0.4.5"
      ]
    }
  ],
  "aliases": [
    "CVE-2021-32837"
  ],
  "details": "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.",
  "id": "PYSEC-2023-25",
  "modified": "2023-05-04T03:49:46.357040Z",
  "published": "2023-01-17T22:15:00Z",
  "references": [
    {
      "type": "EVIDENCE",
      "url": "https://securitylab.github.com/advisories/GHSL-2021-108-python-mechanize-mechanize/"
    },
    {
      "type": "ADVISORY",
      "url": "https://securitylab.github.com/advisories/GHSL-2021-108-python-mechanize-mechanize/"
    },
    {
      "type": "FIX",
      "url": "https://github.com/python-mechanize/mechanize/commit/dd05334448e9f39814bab044d2eaa5ef69b410d6"
    },
    {
      "type": "EVIDENCE",
      "url": "https://github.com/python-mechanize/mechanize/blob/3acb1836f3fd8edc5a758a417dd46b53832ae3b5/mechanize/_urllib2_fork.py#L878-L879"
    },
    {
      "type": "WEB",
      "url": "https://github.com/python-mechanize/mechanize/blob/3acb1836f3fd8edc5a758a417dd46b53832ae3b5/mechanize/_urllib2_fork.py#L878-L879"
    },
    {
      "type": "WEB",
      "url": "https://github.com/python-mechanize/mechanize/releases/tag/v0.4.6"
    }
  ]
}


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