GSD-2021-29476

Vulnerability from gsd - Updated: 2023-12-13 01:23
Details
Requests is a HTTP library written in PHP. Requests mishandles deserialization in FilteredIterator. The issue has been patched and users of `Requests` 1.6.0, 1.6.1 and 1.7.0 should update to version 1.8.0.
Aliases
Aliases
CVE-2021-29476
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{
  "GSD": {
    "alias": "CVE-2021-29476",
    "description": "Requests is a HTTP library written in PHP. Requests mishandles deserialization in FilteredIterator. The issue has been patched and users of `Requests` 1.6.0, 1.6.1 and 1.7.0 should update to version 1.8.0.",
    "id": "GSD-2021-29476"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-29476"
      ],
      "details": "Requests is a HTTP library written in PHP. Requests mishandles deserialization in FilteredIterator. The issue has been patched and users of `Requests` 1.6.0, 1.6.1 and 1.7.0 should update to version 1.8.0.",
      "id": "GSD-2021-29476",
      "modified": "2023-12-13T01:23:36.407923Z",
      "schema_version": "1.4.0"
    }
  },
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        "ID": "CVE-2021-29476",
        "STATE": "PUBLIC",
        "TITLE": "Insecure Deserialization of untrusted data in rmccue/requests"
      },
      "affects": {
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            {
              "product": {
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          }
        ]
      },
      "impact": {
        "cvss": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
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      },
      "references": {
        "reference_data": [
          {
            "name": "https://github.com/WordPress/Requests/security/advisories/GHSA-52qp-jpq7-6c54",
            "refsource": "CONFIRM",
            "url": "https://github.com/WordPress/Requests/security/advisories/GHSA-52qp-jpq7-6c54"
          },
          {
            "name": "https://github.com/rmccue/Requests/pull/421",
            "refsource": "MISC",
            "url": "https://github.com/rmccue/Requests/pull/421"
          }
        ]
      },
      "source": {
        "advisory": "GHSA-52qp-jpq7-6c54",
        "discovery": "UNKNOWN"
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    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "\u003e=1.6.0,\u003c1.8.0",
          "affected_versions": "All versions starting from 1.6.0 before 1.8.0",
          "cvss_v2": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "cwe_ids": [
            "CWE-1035",
            "CWE-502",
            "CWE-937"
          ],
          "date": "2021-04-29",
          "description": "Requests is a HTTP library written in PHP. Requests mishandles deserialization in FilteredIterator. The issue has been patched and users of `Requests` 1.6.0, 1.6.1 and 1.7.0 should update to version 1.8.0.",
          "fixed_versions": [
            "1.8.0"
          ],
          "identifier": "CVE-2021-29476",
          "identifiers": [
            "GHSA-52qp-jpq7-6c54",
            "CVE-2021-29476"
          ],
          "not_impacted": "All versions before 1.6.0, all versions starting from 1.8.0",
          "package_slug": "packagist/rmccue/requests",
          "pubdate": "2021-04-29",
          "solution": "Upgrade to version 1.8.0 or above.",
          "title": "Deserialization of Untrusted Data",
          "urls": [
            "https://github.com/WordPress/Requests/security/advisories/GHSA-52qp-jpq7-6c54",
            "https://nvd.nist.gov/vuln/detail/CVE-2021-29476",
            "https://github.com/ambionics/phpggc/issues/52",
            "https://github.com/WordPress/wordpress-develop/commit/add6bedf3a53b647d0ebda2970057912d3cd79d3",
            "https://2018.zeronights.ru/wp-content/uploads/materials/9%20ZN2018%20WV%20-%20PHP%20unserialize.pdf",
            "https://blog.detectify.com/2019/07/23/improving-wordpress-plugin-security/",
            "https://cdn2.hubspot.net/hubfs/3853213/us-18-Thomas-It%27s-A-PHP-Unserialization-Vulnerability-Jim-But-Not-As-We-....pdf",
            "https://dannewitz.ninja/posts/php-unserialize-object-injection-yet-another-stars-rating-wordpress",
            "https://github.com/FriendsOfPHP/security-advisories/blob/master/rmccue/requests/CVE-2021-29476.yaml",
            "https://i.blackhat.com/us-18/Thu-August-9/us-18-Thomas-Its-A-PHP-Unserialization-Vulnerability-Jim-But-Not-As-We-Know-It.pdf",
            "https://medium.com/@knownsec404team/extend-the-attack-surface-of-php-deserialization-vulnerability-via-phar-d6455c6a1066#3c0f",
            "https://wordpress.org/news/2020/10/wordpress-5-5-2-security-and-maintenance-release/",
            "https://github.com/rmccue/Requests/pull/421",
            "https://github.com/advisories/GHSA-52qp-jpq7-6c54"
          ],
          "uuid": "92e6b081-ad8b-475b-bf07-bb07224b5eea"
        }
      ]
    },
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      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 7.5,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 6.4,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "HIGH",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
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            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
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            "version": "3.1"
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          "exploitabilityScore": 3.9,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2021-05-07T03:06Z",
      "publishedDate": "2021-04-27T21:15Z"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
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  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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