Show plain JSON{"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", "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", "dateReserved": "2022-02-22T00:00:00", "dateUpdated": "2024-08-03T04:49:43.256Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"} 
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