Vulnerability-Lookup

CVE-2024-24754 (GCVE-0-2024-24754)

Vulnerability from cvelistv5 – Published: 2024-02-01 16:10 – Updated: 2025-05-15 19:51

Title

Bref Body Parsing Inconsistency in Event-Driven Functions

Summary

Bref enable serverless PHP on AWS Lambda. When Bref is used with the Event-Driven Function runtime and the handler is a `RequestHandlerInterface`, then the Lambda event is converted to a PSR7 object. During the conversion process, if the request is a MultiPart, each part is parsed and its content added in the `$files` or `$parsedBody` arrays. The conversion process produces a different output compared to the one of plain PHP when keys ending with and open square bracket ([) are used. Based on the application logic the difference in the body parsing might lead to vulnerabilities and/or undefined behaviors. This vulnerability is patched in 2.1.13.

Severity

3.7 (Low)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-05-08 15:38 UTC

CWE

CWE-436 - Interpretation Conflict

Assigner

GitHub_M mitre root

References

2 references

URL	Tags
https://github.com/brefphp/bref/security/advisori…	x_refsource_CONFIRM
https://github.com/brefphp/bref/commit/c77d9f5abf…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version	CPE status
brefphp	bref	Affected: < 2.1.13	guessed

Show details on NVD website

JSON

To clipboard

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      },
      "cveMetadata": {
        "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "assignerShortName": "GitHub_M",
        "cveId": "CVE-2024-24754",
        "datePublished": "2024-02-01T16:10:30.539Z",
        "dateReserved": "2024-01-29T20:51:26.010Z",
        "dateUpdated": "2025-05-15T19:51:37.651Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}

FKIE_CVE-2024-24754

Vulnerability from fkie_nvd - Published: 2024-02-01 16:17 - Updated: 2026-06-17 07:14

Severity

3.7 (Low) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Summary

References

URL	Tags
security-advisories@github.com	https://github.com/brefphp/bref/commit/c77d9f5abf021f29fa96b5720b7b84adbd199092	Patch
security-advisories@github.com	https://github.com/brefphp/bref/security/advisories/GHSA-82vx-mm6r-gg8w	Exploit, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	https://github.com/brefphp/bref/commit/c77d9f5abf021f29fa96b5720b7b84adbd199092	Patch
af854a3a-2127-422b-91ae-364da2661108	https://github.com/brefphp/bref/security/advisories/GHSA-82vx-mm6r-gg8w	Exploit, Vendor Advisory

Impacted products

	Vendor	Product	Version
	mnapoli	bref	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "bref",
          "vendor": "brefphp",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 2.1.13"
            }
          ]
        }
      ],
      "source": "security-advisories@github.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:mnapoli:bref:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "D8473D9F-5007-4ADC-B256-FD331BB522A0",
              "versionEndExcluding": "2.1.13",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Bref enable serverless PHP on AWS Lambda. When Bref is used with the Event-Driven Function runtime and the handler is a `RequestHandlerInterface`, then the Lambda event is converted to a PSR7 object. During the conversion process, if the request is a MultiPart, each part is parsed and its content added in the `$files` or `$parsedBody` arrays. The conversion process produces a different output compared to the one of plain PHP when keys ending with and open square bracket ([) are used. Based on the application logic the difference in the body parsing might lead to vulnerabilities and/or undefined behaviors. This vulnerability is patched in 2.1.13."
    },
    {
      "lang": "es",
      "value": "Bref habilita PHP sin servidor en AWS Lambda. Cuando se usa Bref con el tiempo de ejecuci\u00f3n de la funci\u00f3n controlada por eventos y el controlador es \"RequestHandlerInterface\", el evento Lambda se convierte en un objeto PSR7. Durante el proceso de conversi\u00f3n, si la solicitud es MultiPart, cada parte se analiza y su contenido se agrega en las matrices `$files` o `$parsedBody`. El proceso de conversi\u00f3n produce un resultado diferente en comparaci\u00f3n con el de PHP simple cuando se utilizan claves que terminan en un corchete abierto ([). Seg\u00fan la l\u00f3gica de la aplicaci\u00f3n, la diferencia en el an\u00e1lisis del cuerpo podr\u00eda generar vulnerabilidades y/o comportamientos indefinidos. Esta vulnerabilidad est\u00e1 parcheada en 2.1.13."
    }
  ],
  "id": "CVE-2024-24754",
  "lastModified": "2026-06-17T07:14:47.543",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 3.7,
          "baseSeverity": "LOW",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 1.4,
        "source": "security-advisories@github.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "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",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-24754",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-05-08T15:38:19.494452Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2024-02-01T16:17:14.877",
  "references": [
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/brefphp/bref/commit/c77d9f5abf021f29fa96b5720b7b84adbd199092"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Exploit",
        "Vendor Advisory"
      ],
      "url": "https://github.com/brefphp/bref/security/advisories/GHSA-82vx-mm6r-gg8w"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/brefphp/bref/commit/c77d9f5abf021f29fa96b5720b7b84adbd199092"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Vendor Advisory"
      ],
      "url": "https://github.com/brefphp/bref/security/advisories/GHSA-82vx-mm6r-gg8w"
    }
  ],
  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-436"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Secondary"
    }
  ]
}

GHSA-82VX-MM6R-GG8W

Vulnerability from github – Published: 2024-02-01 22:47 – Updated: 2024-02-01 22:47

Summary

Bref vulnerable to Body Parsing Inconsistency in Event-Driven Functions

Details

Impacted Resources

bref/src/Event/Http/Psr7Bridge.php:130-168

Description

When Bref is used with the Event-Driven Function runtime and the handler is a RequestHandlerInterface, then the Lambda event is converted to a PSR7 object. During the conversion process, if the request is a MultiPart, each part is parsed and its content added in the $files or $parsedBody arrays. To do that, the following method is called with as first argument the result array ($files or $parsedBody), as second argument the part name, and as third argument the part content:

/**
 * Parse a string key like "files[id_cards][jpg][]" and do $array['files']['id_cards']['jpg'][] = $value
 */
private static function parseKeyAndInsertValueInArray(array &$array, string $key, mixed $value): void
{
    if (! str_contains($key, '[')) {
        $array[$key] = $value;

        return;
    }

    $parts = explode('[', $key); // files[id_cards][jpg][] => [ 'files',  'id_cards]', 'jpg]', ']' ]
    $pointer = &$array;

    foreach ($parts as $k => $part) {
        if ($k === 0) {
            $pointer = &$pointer[$part];

            continue;
        }

        // Skip two special cases:
        // [[ in the key produces empty string
        // [test : starts with [ but does not end with ]
        if ($part === '' || ! str_ends_with($part, ']')) {
            // Malformed key, we use it "as is"
            $array[$key] = $value;

            return;
        }

        $part = substr($part, 0, -1); // The last char is a ] => remove it to have the real key

        if ($part === '') { // [] case
            $pointer = &$pointer[];
        } else {
            $pointer = &$pointer[$part];
        }
    }

    $pointer = $value;
}

The conversion process produces a different output compared to the one of plain PHP when keys ending with and open square bracket ([) are used.

Let's take for example the following part:

------WebKitFormBoundary
Content-Disposition: form-data; name="key0[key1][key2]["

value
------WebKitFormBoundary--

In plain PHP it would be converted to Array( [key0] => Array ( [key1] => Array ( [key2] => value) ) ), while in Bref it would be converted to Array( [key0] => Array ( [key1] => Array ( [key2] => ) ) [key0[key1][key2][] => value ).

Impact

Based on the application logic the difference in the body parsing might lead to vulnerabilities and/or undefined behaviors.

PoC

Create a new Bref project.
Create an index.php file with the following content:

<?php

namespace App;

require __DIR__ . '/vendor/autoload.php';

use Nyholm\Psr7\Response;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
use Psr\Http\Server\RequestHandlerInterface;

class MyHttpHandler implements RequestHandlerInterface
{
    public function handle(ServerRequestInterface $request): ResponseInterface
    {

        return new Response(200, [], var_export($request->getParsedBody(),true));
    }
}

return new MyHttpHandler();

Use the following serverless.yml to deploy the Lambda:

service: app

provider:
    name: aws
    region: eu-central-1

plugins:
    - ./vendor/bref/bref

# Exclude files from deployment
package:
    patterns:
        - '!node_modules/**'
        - '!tests/**'

functions:
    api:
        handler: index.php
        runtime: php-83
        events:
            - httpApi: 'ANY /upload'

Replay the following request after having replaced the <HOST> placeholder with the deployed Lambda domain:

POST /upload HTTP/2
Host: <HOST>
Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryQqDeSZSSvmn2rfjb
Content-Length: 180

------WebKitFormBoundaryQqDeSZSSvmn2rfjb
Content-Disposition: form-data; name="key0[key1][key2]["

value
------WebKitFormBoundaryQqDeSZSSvmn2rfjb--

Notice how the body has been parsed.
Create a plain.php file with the following content:

<?php

var_dump($_POST);

Start a PHP server inside the project directory (e.g. php -S 127.0.0.1:8090).
Replay the following request after having replaced the <HOST> placeholder with the PHP server address:

POST /plain.php HTTP/1.1
Host: <HOST>
Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryQqDeSZSSvmn2rfjb
Content-Length: 180

------WebKitFormBoundaryQqDeSZSSvmn2rfjb
Content-Disposition: form-data; name="key0[key1][key2]["

value
------WebKitFormBoundaryQqDeSZSSvmn2rfjb--

Notice the differences in the parsing compared to what observed at step 5.

Suggested Remediation

Use the PHP function parse_str to parse the body parameters to mimic the plain PHP behavior.

Severity

3.7 (Low)


                  
                    CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "Packagist",
        "name": "bref/bref"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.1.13"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2024-24754"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-436"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2024-02-01T22:47:29Z",
    "nvd_published_at": "2024-02-01T16:17:14Z",
    "severity": "LOW"
  },
  "details": "## Impacted Resources\n\nbref/src/Event/Http/Psr7Bridge.php:130-168\n\n## Description\n\nWhen Bref is used with the Event-Driven Function runtime and the handler is a `RequestHandlerInterface`, then the Lambda event is converted to a PSR7 object.\nDuring the conversion process, if the request is a MultiPart, each part is parsed and its content added in the `$files` or `$parsedBody` arrays.\nTo do that, the following method is called with as first argument the result array (`$files` or `$parsedBody`), as second argument the part name, and as third argument the part content:\n\n```php\n/**\n * Parse a string key like \"files[id_cards][jpg][]\" and do $array[\u0027files\u0027][\u0027id_cards\u0027][\u0027jpg\u0027][] = $value\n */\nprivate static function parseKeyAndInsertValueInArray(array \u0026$array, string $key, mixed $value): void\n{\n    if (! str_contains($key, \u0027[\u0027)) {\n        $array[$key] = $value;\n\n        return;\n    }\n\n    $parts = explode(\u0027[\u0027, $key); // files[id_cards][jpg][] =\u003e [ \u0027files\u0027,  \u0027id_cards]\u0027, \u0027jpg]\u0027, \u0027]\u0027 ]\n    $pointer = \u0026$array;\n\n    foreach ($parts as $k =\u003e $part) {\n        if ($k === 0) {\n            $pointer = \u0026$pointer[$part];\n\n            continue;\n        }\n\n        // Skip two special cases:\n        // [[ in the key produces empty string\n        // [test : starts with [ but does not end with ]\n        if ($part === \u0027\u0027 || ! str_ends_with($part, \u0027]\u0027)) {\n            // Malformed key, we use it \"as is\"\n            $array[$key] = $value;\n\n            return;\n        }\n\n        $part = substr($part, 0, -1); // The last char is a ] =\u003e remove it to have the real key\n\n        if ($part === \u0027\u0027) { // [] case\n            $pointer = \u0026$pointer[];\n        } else {\n            $pointer = \u0026$pointer[$part];\n        }\n    }\n\n    $pointer = $value;\n}\n```\n\nThe conversion process produces a different output compared to the one of plain PHP when keys ending with and open square bracket (`[`) are used.\n\nLet\u0027s take for example the following part:\n```\n------WebKitFormBoundary\nContent-Disposition: form-data; name=\"key0[key1][key2][\"\n\nvalue\n------WebKitFormBoundary--\n```\n\nIn plain PHP it would be converted to `Array( [key0] =\u003e Array ( [key1] =\u003e Array ( [key2] =\u003e value) ) )`, while in Bref it would be converted to `Array( [key0] =\u003e Array ( [key1] =\u003e Array ( [key2] =\u003e  ) ) [key0[key1][key2][] =\u003e value )`.\n\n## Impact\n\nBased on the application logic the difference in the body parsing might lead to vulnerabilities and/or undefined behaviors.\n\n## PoC\n\n1. Create a new Bref project.\n2. Create an `index.php` file with the following content:\n```php\n\u003c?php\n\nnamespace App;\n\nrequire __DIR__ . \u0027/vendor/autoload.php\u0027;\n\nuse Nyholm\\Psr7\\Response;\nuse Psr\\Http\\Message\\ResponseInterface;\nuse Psr\\Http\\Message\\ServerRequestInterface;\nuse Psr\\Http\\Server\\RequestHandlerInterface;\n\nclass MyHttpHandler implements RequestHandlerInterface\n{\n    public function handle(ServerRequestInterface $request): ResponseInterface\n    {\n\n        return new Response(200, [], var_export($request-\u003egetParsedBody(),true));\n    }\n}\n\nreturn new MyHttpHandler();\n\n```\n3. Use the following `serverless.yml` to deploy the Lambda:\n```yaml\nservice: app\n\nprovider:\n    name: aws\n    region: eu-central-1\n\nplugins:\n    - ./vendor/bref/bref\n\n# Exclude files from deployment\npackage:\n    patterns:\n        - \u0027!node_modules/**\u0027\n        - \u0027!tests/**\u0027\n\nfunctions:\n    api:\n        handler: index.php\n        runtime: php-83\n        events:\n            - httpApi: \u0027ANY /upload\u0027\n```\n4. Replay the following request after having replaced the `\u003cHOST\u003e` placeholder with the deployed Lambda domain:\n```\nPOST /upload HTTP/2\nHost: \u003cHOST\u003e\nContent-Type: multipart/form-data; boundary=----WebKitFormBoundaryQqDeSZSSvmn2rfjb\nContent-Length: 180\n\n------WebKitFormBoundaryQqDeSZSSvmn2rfjb\nContent-Disposition: form-data; name=\"key0[key1][key2][\"\n\nvalue\n------WebKitFormBoundaryQqDeSZSSvmn2rfjb--\n```\n5. Notice how the body has been parsed.\n6. Create a `plain.php` file with the following content:\n```php\n\u003c?php\n\nvar_dump($_POST);\n```\n7. Start a PHP server inside the project directory (e.g. `php -S 127.0.0.1:8090`).\n8. Replay the following request after having replaced the `\u003cHOST\u003e` placeholder with the PHP server address:\n```\nPOST /plain.php HTTP/1.1\nHost: \u003cHOST\u003e\nContent-Type: multipart/form-data; boundary=----WebKitFormBoundaryQqDeSZSSvmn2rfjb\nContent-Length: 180\n\n------WebKitFormBoundaryQqDeSZSSvmn2rfjb\nContent-Disposition: form-data; name=\"key0[key1][key2][\"\n\nvalue\n------WebKitFormBoundaryQqDeSZSSvmn2rfjb--\n```\n9. Notice the differences in the parsing compared to what observed at step 5.\n\n## Suggested Remediation\n\nUse the PHP function [`parse_str`](https://www.php.net/manual/en/function.parse-str.php) to parse the body parameters to mimic the plain PHP behavior.",
  "id": "GHSA-82vx-mm6r-gg8w",
  "modified": "2024-02-01T22:47:29Z",
  "published": "2024-02-01T22:47:29Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/brefphp/bref/security/advisories/GHSA-82vx-mm6r-gg8w"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-24754"
    },
    {
      "type": "WEB",
      "url": "https://github.com/brefphp/bref/commit/c77d9f5abf021f29fa96b5720b7b84adbd199092"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/brefphp/bref"
    },
    {
      "type": "WEB",
      "url": "https://github.com/brefphp/bref/blob/2.1.12/src/Event/Http/Psr7Bridge.php#L130-L168"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Bref vulnerable to Body Parsing Inconsistency in Event-Driven Functions"
}

GSD-2024-24754

Vulnerability from gsd - Updated: 2024-01-30 06:03

Details

Aliases

CVE-2024-24754

JSON

To clipboard

{
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2024-24754"
      ],
      "details": "Bref enable serverless PHP on AWS Lambda. When Bref is used with the Event-Driven Function runtime and the handler is a `RequestHandlerInterface`, then the Lambda event is converted to a PSR7 object. During the conversion process, if the request is a MultiPart, each part is parsed and its content added in the `$files` or `$parsedBody` arrays. The conversion process produces a different output compared to the one of plain PHP when keys ending with and open square bracket ([) are used. Based on the application logic the difference in the body parsing might lead to vulnerabilities and/or undefined behaviors. This vulnerability is patched in 2.1.13.",
      "id": "GSD-2024-24754",
      "modified": "2024-01-30T06:03:12.521781Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "security-advisories@github.com",
        "ID": "CVE-2024-24754",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "bref",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "\u003c 2.1.13"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "brefphp"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "Bref enable serverless PHP on AWS Lambda. When Bref is used with the Event-Driven Function runtime and the handler is a `RequestHandlerInterface`, then the Lambda event is converted to a PSR7 object. During the conversion process, if the request is a MultiPart, each part is parsed and its content added in the `$files` or `$parsedBody` arrays. The conversion process produces a different output compared to the one of plain PHP when keys ending with and open square bracket ([) are used. Based on the application logic the difference in the body parsing might lead to vulnerabilities and/or undefined behaviors. This vulnerability is patched in 2.1.13."
          }
        ]
      },
      "impact": {
        "cvss": [
          {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 3.7,
            "baseSeverity": "LOW",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N",
            "version": "3.1"
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "cweId": "CWE-436",
                "lang": "eng",
                "value": "CWE-436: Interpretation Conflict"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://github.com/brefphp/bref/security/advisories/GHSA-82vx-mm6r-gg8w",
            "refsource": "MISC",
            "url": "https://github.com/brefphp/bref/security/advisories/GHSA-82vx-mm6r-gg8w"
          },
          {
            "name": "https://github.com/brefphp/bref/commit/c77d9f5abf021f29fa96b5720b7b84adbd199092",
            "refsource": "MISC",
            "url": "https://github.com/brefphp/bref/commit/c77d9f5abf021f29fa96b5720b7b84adbd199092"
          }
        ]
      },
      "source": {
        "advisory": "GHSA-82vx-mm6r-gg8w",
        "discovery": "UNKNOWN"
      }
    },
    "nvd.nist.gov": {
      "cve": {
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:a:mnapoli:bref:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "D8473D9F-5007-4ADC-B256-FD331BB522A0",
                    "versionEndExcluding": "2.1.13",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "descriptions": [
          {
            "lang": "en",
            "value": "Bref enable serverless PHP on AWS Lambda. When Bref is used with the Event-Driven Function runtime and the handler is a `RequestHandlerInterface`, then the Lambda event is converted to a PSR7 object. During the conversion process, if the request is a MultiPart, each part is parsed and its content added in the `$files` or `$parsedBody` arrays. The conversion process produces a different output compared to the one of plain PHP when keys ending with and open square bracket ([) are used. Based on the application logic the difference in the body parsing might lead to vulnerabilities and/or undefined behaviors. This vulnerability is patched in 2.1.13."
          },
          {
            "lang": "es",
            "value": "Bref habilita PHP sin servidor en AWS Lambda. Cuando se usa Bref con el tiempo de ejecuci\u00f3n de la funci\u00f3n controlada por eventos y el controlador es \"RequestHandlerInterface\", el evento Lambda se convierte en un objeto PSR7. Durante el proceso de conversi\u00f3n, si la solicitud es MultiPart, cada parte se analiza y su contenido se agrega en las matrices `$files` o `$parsedBody`. El proceso de conversi\u00f3n produce un resultado diferente en comparaci\u00f3n con el de PHP simple cuando se utilizan claves que terminan en un corchete abierto ([). Seg\u00fan la l\u00f3gica de la aplicaci\u00f3n, la diferencia en el an\u00e1lisis del cuerpo podr\u00eda generar vulnerabilidades y/o comportamientos indefinidos. Esta vulnerabilidad est\u00e1 parcheada en 2.1.13."
          }
        ],
        "id": "CVE-2024-24754",
        "lastModified": "2024-02-09T01:56:35.890",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "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",
                "version": "3.1"
              },
              "exploitabilityScore": 3.9,
              "impactScore": 5.9,
              "source": "nvd@nist.gov",
              "type": "Primary"
            },
            {
              "cvssData": {
                "attackComplexity": "HIGH",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 3.7,
                "baseSeverity": "LOW",
                "confidentialityImpact": "NONE",
                "integrityImpact": "LOW",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N",
                "version": "3.1"
              },
              "exploitabilityScore": 2.2,
              "impactScore": 1.4,
              "source": "security-advisories@github.com",
              "type": "Secondary"
            }
          ]
        },
        "published": "2024-02-01T16:17:14.877",
        "references": [
          {
            "source": "security-advisories@github.com",
            "tags": [
              "Patch"
            ],
            "url": "https://github.com/brefphp/bref/commit/c77d9f5abf021f29fa96b5720b7b84adbd199092"
          },
          {
            "source": "security-advisories@github.com",
            "tags": [
              "Exploit",
              "Vendor Advisory"
            ],
            "url": "https://github.com/brefphp/bref/security/advisories/GHSA-82vx-mm6r-gg8w"
          }
        ],
        "sourceIdentifier": "security-advisories@github.com",
        "vulnStatus": "Analyzed",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-436"
              }
            ],
            "source": "security-advisories@github.com",
            "type": "Primary"
          }
        ]
      }
    }
  }
}

Sightings

Author	Source	Type	Date	Other

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.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2024-24754 (GCVE-0-2024-24754)

FKIE_CVE-2024-24754

GHSA-82VX-MM6R-GG8W

Impacted Resources

Description

Impact

PoC

Suggested Remediation

GSD-2024-24754

Tags

Sightings

Nomenclature

Related by attack behaviour