{
    "containers": {
        "cna": {
            "affected": [
                {
                    "product": "Apache APISIX",
                    "vendor": "Apache Software Foundation",
                    "versions": [
                        {
                            "lessThanOrEqual": "2.12.1",
                            "status": "affected",
                            "version": "Apache APISIX",
                            "versionType": "custom"
                        }
                    ]
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "Thanks for Guangli Dong from www.huoxian.cn"
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In Apache APISIX before 2.13.0, when decoding JSON with duplicate keys, lua-cjson will choose the last occurred value as the result. By passing a JSON with a duplicate key, the attacker can bypass the body_schema validation in the request-validation plugin. For example, `{\"string_payload\":\"bad\",\"string_payload\":\"good\"}` can be used to hide the \"bad\" input. Systems satisfy three conditions below are affected by this attack: 1. use body_schema validation in the request-validation plugin 2. upstream application uses a special JSON library that chooses the first occurred value, like jsoniter or gojay 3. upstream application does not validate the input anymore. The fix in APISIX is to re-encode the validated JSON input back into the request body at the side of APISIX. Improper Input Validation vulnerability in __COMPONENT__ of Apache APISIX allows an attacker to __IMPACT__. This issue affects Apache APISIX Apache APISIX version 2.12.1 and prior versions."
                }
            ],
            "metrics": [
                {
                    "other": {
                        "content": {
                            "other": "low"
                        },
                        "type": "unknown"
                    }
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-20",
                            "description": "CWE-20 Improper Input Validation",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "dateUpdated": "2022-03-28T11:06:08.000Z",
                "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
                "shortName": "apache"
            },
            "references": [
                {
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://lists.apache.org/thread/03vd2j81krxmpz6xo8p1dl642flpo6fv"
                },
                {
                    "name": "[oss-security] 20220328 CVE-2022-25757: Apache APISIX: the body_schema check in request-validation plugin can be bypassed",
                    "tags": [
                        "mailing-list",
                        "x_refsource_MLIST"
                    ],
                    "url": "http://www.openwall.com/lists/oss-security/2022/03/28/2"
                }
            ],
            "source": {
                "discovery": "UNKNOWN"
            },
            "title": "Apache APISIX: the body_schema check in request-validation plugin can be bypassed",
            "workarounds": [
                {
                    "lang": "en",
                    "value": "1. upgrade APISIX to 2.13.0 if you need to use the body_schema validation in the request-validation plugin\n2. add additional validation in the application code, embrace defensive programming"
                }
            ],
            "x_generator": {
                "engine": "Vulnogram 0.0.9"
            },
            "x_legacyV4Record": {
                "CVE_data_meta": {
                    "ASSIGNER": "security@apache.org",
                    "ID": "CVE-2022-25757",
                    "STATE": "PUBLIC",
                    "TITLE": "Apache APISIX: the body_schema check in request-validation plugin can be bypassed"
                },
                "affects": {
                    "vendor": {
                        "vendor_data": [
                            {
                                "product": {
                                    "product_data": [
                                        {
                                            "product_name": "Apache APISIX",
                                            "version": {
                                                "version_data": [
                                                    {
                                                        "version_affected": "<=",
                                                        "version_name": "Apache APISIX",
                                                        "version_value": "2.12.1"
                                                    }
                                                ]
                                            }
                                        }
                                    ]
                                },
                                "vendor_name": "Apache Software Foundation"
                            }
                        ]
                    }
                },
                "credit": [
                    {
                        "lang": "eng",
                        "value": "Thanks for Guangli Dong from www.huoxian.cn"
                    }
                ],
                "data_format": "MITRE",
                "data_type": "CVE",
                "data_version": "4.0",
                "description": {
                    "description_data": [
                        {
                            "lang": "eng",
                            "value": "In Apache APISIX before 2.13.0, when decoding JSON with duplicate keys, lua-cjson will choose the last occurred value as the result. By passing a JSON with a duplicate key, the attacker can bypass the body_schema validation in the request-validation plugin. For example, `{\"string_payload\":\"bad\",\"string_payload\":\"good\"}` can be used to hide the \"bad\" input. Systems satisfy three conditions below are affected by this attack: 1. use body_schema validation in the request-validation plugin 2. upstream application uses a special JSON library that chooses the first occurred value, like jsoniter or gojay 3. upstream application does not validate the input anymore. The fix in APISIX is to re-encode the validated JSON input back into the request body at the side of APISIX. Improper Input Validation vulnerability in __COMPONENT__ of Apache APISIX allows an attacker to __IMPACT__. This issue affects Apache APISIX Apache APISIX version 2.12.1 and prior versions."
                        }
                    ]
                },
                "generator": {
                    "engine": "Vulnogram 0.0.9"
                },
                "impact": [
                    {
                        "other": "low"
                    }
                ],
                "problemtype": {
                    "problemtype_data": [
                        {
                            "description": [
                                {
                                    "lang": "eng",
                                    "value": "CWE-20 Improper Input Validation"
                                }
                            ]
                        }
                    ]
                },
                "references": {
                    "reference_data": [
                        {
                            "name": "https://lists.apache.org/thread/03vd2j81krxmpz6xo8p1dl642flpo6fv",
                            "refsource": "MISC",
                            "url": "https://lists.apache.org/thread/03vd2j81krxmpz6xo8p1dl642flpo6fv"
                        },
                        {
                            "name": "[oss-security] 20220328 CVE-2022-25757: Apache APISIX: the body_schema check in request-validation plugin can be bypassed",
                            "refsource": "MLIST",
                            "url": "http://www.openwall.com/lists/oss-security/2022/03/28/2"
                        }
                    ]
                },
                "source": {
                    "discovery": "UNKNOWN"
                },
                "work_around": [
                    {
                        "lang": "en",
                        "value": "1. upgrade APISIX to 2.13.0 if you need to use the body_schema validation in the request-validation plugin\n2. add additional validation in the application code, embrace defensive programming"
                    }
                ]
            }
        },
        "adp": [
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-03T04:49:43.256Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "tags": [
                            "x_refsource_MISC",
                            "x_transferred"
                        ],
                        "url": "https://lists.apache.org/thread/03vd2j81krxmpz6xo8p1dl642flpo6fv"
                    },
                    {
                        "name": "[oss-security] 20220328 CVE-2022-25757: Apache APISIX: the body_schema check in request-validation plugin can be bypassed",
                        "tags": [
                            "mailing-list",
                            "x_refsource_MLIST",
                            "x_transferred"
                        ],
                        "url": "http://www.openwall.com/lists/oss-security/2022/03/28/2"
                    }
                ]
            }
        ]
    },
    "cveMetadata": {
        "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
        "assignerShortName": "apache",
        "cveId": "CVE-2022-25757",
        "datePublished": "2022-03-28T07:00:16.000Z",
        "dateReserved": "2022-02-22T00:00:00.000Z",
        "dateUpdated": "2024-08-03T04:49:43.256Z",
        "state": "PUBLISHED"
    },
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1"
}