github - ghsa-4vf4-qmvg-mh7h

ghsa-4vf4-qmvg-mh7h

Vulnerability from github

Published

2022-01-21 23:22

Modified

2023-08-29 16:46

Severity

7.5 (High) - CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Summary

Cookie Prefix Spoofing in CGI::Cookie.parse

Details

CGI::Cookie.parse in Ruby through 2.6.8 mishandles security prefixes in cookie names. This also affects the CGI gem prior to versions 0.3.1, 0.2.1, 0.1.1, and 0.1.0.1 for Ruby.

Show details on source website

JSON

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{
  "affected": [
    {
      "package": {
        "ecosystem": "RubyGems",
        "name": "cgi"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0.3.0"
            },
            {
              "fixed": "0.3.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.3.0"
      ]
    },
    {
      "package": {
        "ecosystem": "RubyGems",
        "name": "cgi"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0.2.0"
            },
            {
              "fixed": "0.2.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.2.0"
      ]
    },
    {
      "package": {
        "ecosystem": "RubyGems",
        "name": "cgi"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.1.0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2021-41819"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-565"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2022-01-13T18:53:26Z",
    "nvd_published_at": "2022-01-01T06:15:00Z",
    "severity": "HIGH"
  },
  "details": "CGI::Cookie.parse in Ruby through 2.6.8 mishandles security prefixes in cookie names. This also affects the CGI gem prior to versions 0.3.1, 0.2.1, 0.1.1, and 0.1.0.1 for Ruby.",
  "id": "GHSA-4vf4-qmvg-mh7h",
  "modified": "2023-08-29T16:46:42Z",
  "published": "2022-01-21T23:22:17Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-41819"
    },
    {
      "type": "WEB",
      "url": "https://hackerone.com/reports/910552"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/ruby/cgi"
    },
    {
      "type": "WEB",
      "url": "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/cgi/CVE-2021-41819.yml"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IUXQCH6FRKANCVZO2Q7D2SQX33FP3KWN"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UTOJGS5IEFDK3UOO7IY4OTTFGHGLSWZF"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IUXQCH6FRKANCVZO2Q7D2SQX33FP3KWN"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UTOJGS5IEFDK3UOO7IY4OTTFGHGLSWZF"
    },
    {
      "type": "WEB",
      "url": "https://security.gentoo.org/glsa/202401-27"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20220121-0003"
    },
    {
      "type": "WEB",
      "url": "https://www.ruby-lang.org/en/news/2021/11/24/cookie-prefix-spoofing-in-cgi-cookie-parse-cve-2021-41819"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Cookie Prefix Spoofing in CGI::Cookie.parse"
}

cve-2021-41819

Vulnerability from cvelistv5

Published

2022-01-01 00:00

Modified

2024-08-04 03:22

Severity

Summary

CGI::Cookie.parse in Ruby through 2.6.8 mishandles security prefixes in cookie names. This also affects the CGI gem through 0.3.0 for Ruby.

References

URL	Tags
https://hackerone.com/reports/910552
https://www.ruby-lang.org/en/news/2021/11/24/cookie-prefix-spoofing-in-cgi-cookie-parse-cve-2021-41819/
https://security.netapp.com/advisory/ntap-20220121-0003/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IUXQCH6FRKANCVZO2Q7D2SQX33FP3KWN/	vendor-advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UTOJGS5IEFDK3UOO7IY4OTTFGHGLSWZF/	vendor-advisory
https://security.gentoo.org/glsa/202401-27	vendor-advisory

Impacted products

Vendor	Product
n/a	n/a

Show details on NVD website

JSON

To clipboard

{
  "containers": {
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      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T03:22:24.942Z",
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    "datePublished": "2022-01-01T00:00:00",
    "dateReserved": "2021-09-29T00:00:00",
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    "state": "PUBLISHED"
  },
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  "dataVersion": "5.1"
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The old versions of `CGI::Cookie.parse` applied URL decoding to cookie names. An attacker could exploit this vulnerability to spoof security prefixes in cookie names, which may be able to trick a vulnerable application. By this fix, `CGI::Cookie.parse` no longer decodes cookie names. Note that this is an incompatibility if cookie names that you are using include non-alphanumeric characters that are URL-encoded. This is the same issue of CVE-2020-8184. If you are using Ruby 2.7 or 3.0: * Please update the cgi gem to version 0.3.1, 0.2,1, and 0.1,1 or later. You can use `gem update cgi` to update it. If you are using bundler, please add `gem "cgi", ">= 0.3.1"`` to your `Gemfile`. * Alternatively, please update Ruby to 2.7.5 or 3.0.3. If you are using Ruby 2.6: * Please update Ruby to 2.6.9. You cannot use `gem update cgi` for Ruby 2.6 or prior.

Aliases

CVE-2021-41819

JSON

To clipboard

{
  "GSD": {
    "alias": "CVE-2021-41819",
    "description": "CGI::Cookie.parse in Ruby through 2.6.8 mishandles security prefixes in cookie names. This also affects the CGI gem through 0.3.0 for Ruby.",
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      "https://www.debian.org/security/2022/dsa-5066",
      "https://www.debian.org/security/2022/dsa-5067",
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      "https://security.archlinux.org/CVE-2021-41819",
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      "https://access.redhat.com/errata/RHSA-2022:6450",
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    ]
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      "remediation": "unknown",
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          "cwe_ids": [
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          "title": "Reliance on Cookies without Validation and Integrity Checking in a Security Decision",
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          ],
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        "descriptions": [
          {
            "lang": "en",
            "value": "CGI::Cookie.parse in Ruby through 2.6.8 mishandles security prefixes in cookie names. This also affects the CGI gem through 0.3.0 for Ruby."
          },
          {
            "lang": "es",
            "value": "CGI::Cookie.parse en Ruby versiones hasta 2.6.8, maneja inapropiadamente los prefijos de seguridad en los nombres de las cookies. Esto tambi\u00e9n afecta a CGI gem versiones hasta 0.3.0 para Ruby."
          }
        ],
        "id": "CVE-2021-41819",
        "lastModified": "2024-01-24T05:15:11.853",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "MEDIUM",
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                "authentication": "NONE",
                "availabilityImpact": "NONE",
                "baseScore": 5.0,
                "confidentialityImpact": "NONE",
                "integrityImpact": "PARTIAL",
                "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
                "version": "2.0"
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              "exploitabilityScore": 10.0,
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              "obtainAllPrivilege": false,
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              "source": "nvd@nist.gov",
              "type": "Primary",
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          ],
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                "confidentialityImpact": "NONE",
                "integrityImpact": "HIGH",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
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        "published": "2022-01-01T06:15:07.293",
        "references": [
          {
            "source": "cve@mitre.org",
            "tags": [
              "Permissions Required",
              "Third Party Advisory"
            ],
            "url": "https://hackerone.com/reports/910552"
          },
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            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IUXQCH6FRKANCVZO2Q7D2SQX33FP3KWN/"
          },
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          },
          {
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            "url": "https://security.gentoo.org/glsa/202401-27"
          },
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            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20220121-0003/"
          },
          {
            "source": "cve@mitre.org",
            "tags": [
              "Exploit",
              "Vendor Advisory"
            ],
            "url": "https://www.ruby-lang.org/en/news/2021/11/24/cookie-prefix-spoofing-in-cgi-cookie-parse-cve-2021-41819/"
          }
        ],
        "sourceIdentifier": "cve@mitre.org",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-565"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    }
  }
}

Action not permitted

ghsa-4vf4-qmvg-mh7h

Vulnerability from github

cve-2021-41819

Vulnerability from cvelistv5

gsd-2021-41819

Vulnerability from gsd

Tags