GSD-2021-32837

Vulnerability from gsd - Updated: 2023-12-13 01:23
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.
Aliases
Aliases
CVE-2021-32837
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{
  "GSD": {
    "alias": "CVE-2021-32837",
    "id": "GSD-2021-32837",
    "references": [
      "https://advisories.mageia.org/CVE-2021-32837.html",
      "https://www.suse.com/security/cve/CVE-2021-32837.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "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": "GSD-2021-32837",
      "modified": "2023-12-13T01:23:09.262747Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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        "ASSIGNER": "security-advisories@github.com",
        "DATE_PUBLIC": "",
        "ID": "CVE-2021-32837",
        "STATE": "PUBLIC",
        "TITLE": "mechanize vulnerable to ReDoS"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "mechanize",
                    "version": {
                      "version_data": [
                        {
                          "platform": "",
                          "version_affected": "\u003c",
                          "version_name": "0.4.6",
                          "version_value": "0.4.6"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "python-mechanize"
            }
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            "value": "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."
          }
        ]
      },
      "exploit": [],
      "generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "impact": {
        "cvss": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        }
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      "problemtype": {
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            "description": [
              {
                "lang": "eng",
                "value": "CWE-1333 Inefficient Regular Expression Complexity"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://securitylab.github.com/advisories/GHSL-2021-108-python-mechanize-mechanize/",
            "refsource": "CONFIRM",
            "url": "https://securitylab.github.com/advisories/GHSL-2021-108-python-mechanize-mechanize/"
          },
          {
            "name": "https://github.com/python-mechanize/mechanize/blob/3acb1836f3fd8edc5a758a417dd46b53832ae3b5/mechanize/_urllib2_fork.py#L878-L879",
            "refsource": "MISC",
            "url": "https://github.com/python-mechanize/mechanize/blob/3acb1836f3fd8edc5a758a417dd46b53832ae3b5/mechanize/_urllib2_fork.py#L878-L879"
          },
          {
            "name": "https://github.com/python-mechanize/mechanize/releases/tag/v0.4.6",
            "refsource": "MISC",
            "url": "https://github.com/python-mechanize/mechanize/releases/tag/v0.4.6"
          },
          {
            "name": "https://github.com/python-mechanize/mechanize/commit/dd05334448e9f39814bab044d2eaa5ef69b410d6",
            "refsource": "MISC",
            "url": "https://github.com/python-mechanize/mechanize/commit/dd05334448e9f39814bab044d2eaa5ef69b410d6"
          },
          {
            "name": "[debian-lts-announce] 20230620 [SECURITY] [DLA 3460-1] python-mechanize security update",
            "refsource": "MLIST",
            "url": "https://lists.debian.org/debian-lts-announce/2023/06/msg00022.html"
          }
        ]
      },
      "solution": [],
      "source": {
        "advisory": "GHSL-2021-108",
        "defect": [
          "GHSL-2021-108"
        ],
        "discovery": "UNKNOWN"
      },
      "work_around": []
    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "\u003c0.4.6",
          "affected_versions": "All versions before 0.4.6",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "cwe_ids": [
            "CWE-1035",
            "CWE-1333",
            "CWE-937"
          ],
          "date": "2023-06-20",
          "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.",
          "fixed_versions": [
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          ],
          "identifier": "CVE-2021-32837",
          "identifiers": [
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          ],
          "not_impacted": "All versions starting from 0.4.6",
          "package_slug": "gem/mechanize",
          "pubdate": "2023-01-17",
          "solution": "Upgrade to version 0.4.6 or above.",
          "title": "Inefficient Regular Expression Complexity",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2021-32837",
            "https://securitylab.github.com/advisories/GHSL-2021-108-python-mechanize-mechanize/",
            "https://github.com/python-mechanize/mechanize/commit/dd05334448e9f39814bab044d2eaa5ef69b410d6",
            "https://github.com/python-mechanize/mechanize/releases/tag/v0.4.6"
          ],
          "uuid": "375a7dc7-6fd4-45f1-a941-7c0745f0b159"
        },
        {
          "affected_range": "\u003c0.4.6",
          "affected_versions": "All versions before 0.4.6",
          "cwe_ids": [
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            "CWE-1333",
            "CWE-937"
          ],
          "date": "2023-01-20",
          "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.",
          "fixed_versions": [
            "0.4.6"
          ],
          "identifier": "CVE-2021-32837",
          "identifiers": [
            "GHSA-g3pv-pj5f-3hfq",
            "CVE-2021-32837"
          ],
          "not_impacted": "All versions starting from 0.4.6",
          "package_slug": "pypi/mechanize",
          "pubdate": "2023-01-18",
          "solution": "Upgrade to version 0.4.6 or above.",
          "title": "Inefficient Regular Expression Complexity",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2021-32837",
            "https://github.com/python-mechanize/mechanize/commit/dd05334448e9f39814bab044d2eaa5ef69b410d6",
            "https://github.com/python-mechanize/mechanize/blob/3acb1836f3fd8edc5a758a417dd46b53832ae3b5/mechanize/_urllib2_fork.py#L878-L879",
            "https://github.com/python-mechanize/mechanize/releases/tag/v0.4.6",
            "https://securitylab.github.com/advisories/GHSL-2021-108-python-mechanize-mechanize/",
            "https://github.com/advisories/GHSA-g3pv-pj5f-3hfq"
          ],
          "uuid": "9944dd51-a597-4913-881e-7afecf898bb2"
        }
      ]
    },
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                "cpe23Uri": "cpe:2.3:a:mechanize_project:mechanize:*:*:*:*:*:python:*:*",
                "cpe_name": [],
                "versionEndExcluding": "0.4.6",
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            }
          ]
        },
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            {
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              "name": "https://github.com/python-mechanize/mechanize/blob/3acb1836f3fd8edc5a758a417dd46b53832ae3b5/mechanize/_urllib2_fork.py#L878-L879",
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              "url": "https://github.com/python-mechanize/mechanize/blob/3acb1836f3fd8edc5a758a417dd46b53832ae3b5/mechanize/_urllib2_fork.py#L878-L879"
            },
            {
              "name": "https://github.com/python-mechanize/mechanize/releases/tag/v0.4.6",
              "refsource": "MISC",
              "tags": [
                "Third Party Advisory"
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              "url": "https://github.com/python-mechanize/mechanize/releases/tag/v0.4.6"
            },
            {
              "name": "[debian-lts-announce] 20230620 [SECURITY] [DLA 3460-1] python-mechanize security update",
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      "impact": {
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            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2023-06-20T17:15Z",
      "publishedDate": "2023-01-17T22:15Z"
    }
  }
}


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