{"id":193,"date":"2020-02-15T21:57:26","date_gmt":"2020-02-15T13:57:26","guid":{"rendered":"http:\/\/blog.73007300.xyz\/?p=193"},"modified":"2020-02-15T22:00:26","modified_gmt":"2020-02-15T14:00:26","slug":"cve-2019-17564-apache-dubbo-%e5%8f%8d%e5%ba%8f%e5%88%97%e5%8c%96%e6%bc%8f%e6%b4%9e%e5%88%a9%e7%94%a8","status":"publish","type":"post","link":"https:\/\/blog.73007300.xyz\/?p=193","title":{"rendered":"CVE-2019-17564 Apache Dubbo \u53cd\u5e8f\u5217\u5316\u6f0f\u6d1e\u5229\u7528"},"content":{"rendered":"\n<p>\u3010\u80cc\u666f\u3011<br> 2020\u5e742\u670810\u53f7\uff0cApache Dubbo\u7684\u53cd\u5e8f\u5217\u5316\u6f0f\u6d1e\uff08CVE-2019-17564\uff09\u88ab\u516c\u5e03\uff0c\u4f7f\u7528 Dubbo-Rpc-Http (2.7.3 or lower) \u548c<br> Spring-Web (5.1.9.RELEASE or lower)\u7684\u7248\u672c\u53ef\u88ab\u5229\u7528\u3002<br> Apache Dubbo |\u02c8d\u028cb\u0259\u028a| \u662f\u4e00\u6b3e\u9ad8\u6027\u80fd\u3001\u8f7b\u91cf\u7ea7\u7684\u5f00\u6e90Java RPC\u6846\u67b6\uff0c\u5b83\u63d0\u4f9b\u4e86\u4e09\u5927\u6838\u5fc3\u80fd\u529b\uff1a\u9762\u5411\u63a5\u53e3\u7684\u8fdc\u7a0b\u65b9\u6cd5\u8c03\u7528\uff0c\u667a\u80fd\u5bb9\u9519\u548c\u8d1f\u8f7d\u5747\u8861\uff0c\u4ee5\u53ca\u670d\u52a1\u81ea\u52a8\u6ce8\u518c\u548c\u53d1\u73b0\u3002<br> Dubbo\u539f\u5c5e\u4e8e\u963f\u91cc\u5df4\u5df4\u7684\u5f00\u6e90\u9879\u76ee\uff0c2018\u5e74\u963f\u91cc\u5df4\u5df4\u6350\u8d60\u7ed9 Apache \u57fa\u91d1\u4f1a\u3002<br> \u3010\u6f0f\u6d1e\u8be6\u60c5\u3011<br> \u5728\u4f7f\u7528http\u534f\u8bae\u7684Dubbo\u4e2d\uff0c\u4f1a\u8c03\u7528org.springframework.remoting.rmi.RemoteInvocationSerializingExporter \u7c7b\uff0c\u8be5\u7c7b\u4e2d readObject()\u65f6\u672a\u5bf9\u7528\u6237\u4f20\u5165\u7684post\u6570\u636e\u505a\u6821\u9a8c\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1796\" height=\"1001\" src=\"https:\/\/blog.73007300.xyz\/wp-content\/uploads\/2020\/02\/image.png\" alt=\"\" class=\"wp-image-194\"\/><\/figure>\n\n\n\n<p>\u5176\u5b9e\u662fspring\u7684\u95ee\u9898<br> \u5bfc\u81f4\u670d\u52a1\u5668\u5b58\u5728\u7279\u5b9agadgets\u7684\u60c5\u51b5\u4e0b\u53ef\u7528\u4f5cRCE\uff08\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\uff09\uff0c\u8fd9\u91cc\u5728dubbo provider\u4e0a\u7528 JDK8U20 \u5e76\u6dfb\u52a0 commons-collections4 4.0 \u590d\u73b0\u3002<br> \u514b\u9686 https:\/\/github.com\/apache\/dubbo-samples \u5230\u672c\u5730\u3002<br> \u5728eclipse\u4e2d\u5bfc\u5165\u4e00\u4e2amaven\u9879\u76ee\uff0c\u9009\u62e9 dubbo-samples\/java\/dubbo-samples-http\/ \u9879\u76ee\u3002<br> \u4fee\u6539pom.xml\u4e2ddubbo\u4e3a\u53d7\u5f71\u54cd\u7684\u7248\u672c\uff082.7.3\uff09\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1129\" height=\"271\" src=\"https:\/\/blog.73007300.xyz\/wp-content\/uploads\/2020\/02\/image-1.png\" alt=\"\" class=\"wp-image-195\"\/><\/figure>\n\n\n\n<p>1 \u5047\u8bbe\u5b58\u5728gadgets\uff0c\u53ef\u4ee5\u5229\u7528\u3002<\/p>\n\n\n\n<p>2 \u4fee\u6539\u9879\u76eeJDK\u5230JDK8U20<\/p>\n\n\n\n<p>\u5728pom.xml\u4e2d\u5f15\u5165commons-collections4\uff0c\u5728pom.xml\u4e2d\u7684\u6807\u7b7e\u4e2d\u6dfb\u52a0\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;dependency>\n\t\t    &lt;groupId>org.apache.commons&lt;\/groupId>\n\t\t    &lt;artifactId>commons-collections4&lt;\/artifactId>\n\t\t    &lt;version>4.0&lt;\/version>\n&lt;\/dependency><\/code><\/pre>\n\n\n\n<p>\u5728 org.apache.dubbo.samples.http.HttpProvider\u4e2d\u5f15\u5165commons-collections4\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import org.apache.commons.collections4.Bag;\nimport org.apache.commons.collections4.bag.HashBag;\n\nBag&lt;String> bag = new HashBag&lt;>();<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1266\" height=\"512\" src=\"https:\/\/blog.73007300.xyz\/wp-content\/uploads\/2020\/02\/image-2.png\" alt=\"\" class=\"wp-image-196\"\/><\/figure>\n\n\n\n<p>3 \u4e0b\u8f7dzookeeper\uff0c\u914d\u7f6ezookeeper\uff0c\u542f\u52a8zookeeper\u3002<\/p>\n\n\n\n<p>4 \u5148\u8fd0\u884c HttpProvider \uff0c\u6293\u5305\uff0c\u518d\u8fd0\u884c HttpConsumer\u3002\u5373\u53ef\u5f97\u5230dubbo\u4f7f\u7528http\u534f\u8bae\u7684\u62a5\u6587\u3002<\/p>\n\n\n\n<p>5 \u4f7f\u7528ysoserial\u751f\u6210payload,\u7c98\u8d34\u5230burp\u7684 payload\u91cc\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>java -jar ysoserial-0.0.6-SNAPSHOT-all.jar CommonsCollections4 \"gnome-calculator\" > CommonsCollections4_gnome-calculator.ser<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>paste from file:<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1913\" height=\"999\" src=\"https:\/\/blog.73007300.xyz\/wp-content\/uploads\/2020\/02\/image-3.png\" alt=\"\" class=\"wp-image-197\"\/><\/figure>\n\n\n\n<p>\u3010\u98ce\u9669\u8bc4\u7ea7\u3011<br> \u9ad8\u5371<br> \u3010\u5f71\u54cd\u7248\u672c\u3011<br>     Dubbo 2.7.0 to 2.7.4<br>     Dubbo 2.6.0 to 2.6.7<br>     Dubbo all 2.5.x versions<br> \u3010\u4fee\u590d\u5efa\u8bae\u3011<br> \u5c06\u9879\u76ee\u4e2d\u7684 org.apache.dubbo.dubbo \u5305\u5347\u7ea7\u5230\u6700\u65b0\uff08\u5f53\u524d\u6700\u65b0\u72482.7.5\uff09\u3002<br> \u817e\u8baf\u5fa1\u754c\u53ef\u68c0\u6d4b\u6b64\u6f0f\u6d1e\u7684\u653b\u51fb\u3002<br> \u3010\u53c2\u8003\u94fe\u63a5\u3011<\/p>\n\n\n\n<p><a rel=\"noreferrer noopener\" aria-label=\" https:\/\/qiita.com\/shimizukawasaki\/items\/39c9695d439768cfaeb5 (opens in a new tab)\" href=\"https:\/\/qiita.com\/shimizukawasaki\/items\/39c9695d439768cfaeb5\" target=\"_blank\"> https:\/\/qiita.com\/shimizukawasaki\/items\/39c9695d439768cfaeb5<\/a><br><a href=\"https:\/\/meterpreter.org\/cve-2019-17564-apache-dubbo-deserialization-vulnerability-alert\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\" (opens in a new tab)\"> https:\/\/meterpreter.org\/cve-2019-17564-apache-dubbo-deserialization-vulnerability-alert\/ <\/a><br><a href=\"https:\/\/meterpreter.org\/cve-2019-17564-apache-dubbo-deserialization-vulnerability-alert\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\" https:\/\/www.mail-archive.com\/dev@dubbo.apache.org\/msg06225.html  (opens in a new tab)\"> https:\/\/www.mail-archive.com\/dev@dubbo.apache.org\/msg06225.html <\/a><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3010\u80cc\u666f\u3011 2020\u5e742\u670810\u53f7\uff0cApache Dubbo\u7684\u53cd\u5e8f\u5217\u5316\u6f0f\u6d1e\uff08CVE-2019-17564\uff09\u88ab\u516c\u5e03\uff0c\u4f7f\u7528 Dubbo-Rpc-Http (2.7.3 or lower) \u548c Spring-Web (5.1.9.RELEASE or lower)\u7684\u7248\u672c\u53ef\u88ab\u5229\u7528\u3002 Apache Dubbo |\u02c8d\u028cb\u0259\u028a| \u662f\u4e00\u6b3e\u9ad8\u6027\u80fd\u3001\u8f7b\u91cf\u7ea7\u7684\u5f00\u6e90Java RPC\u6846\u67b6\uff0c\u5b83\u63d0\u4f9b\u4e86\u4e09\u5927\u6838\u5fc3\u80fd\u529b\uff1a\u9762\u5411\u63a5\u53e3\u7684\u8fdc\u7a0b\u65b9\u6cd5\u8c03\u7528\uff0c\u667a\u80fd\u5bb9\u9519\u548c\u8d1f\u8f7d\u5747\u8861\uff0c\u4ee5\u53ca\u670d\u52a1\u81ea\u52a8\u6ce8\u518c\u548c\u53d1\u73b0\u3002 Dubbo\u539f\u5c5e\u4e8e\u963f\u91cc\u5df4\u5df4\u7684\u5f00\u6e90\u9879\u76ee\uff0c2018\u5e74\u963f\u91cc\u5df4\u5df4\u6350\u8d60\u7ed9 Apache \u57fa\u91d1\u4f1a\u3002 \u3010\u6f0f\u6d1e\u8be6\u60c5\u3011 \u5728\u4f7f\u7528http\u534f\u8bae\u7684Dubbo\u4e2d\uff0c\u4f1a\u8c03\u7528org.springframework.remoting.rmi.RemoteInvocationSerializingExporter \u7c7b\uff0c\u8be5\u7c7b\u4e2d readObject()\u65f6\u672a\u5bf9\u7528\u6237\u4f20\u5165\u7684post\u6570\u636e\u505a\u6821\u9a8c\uff1a \u5176\u5b9e\u662fspring\u7684\u95ee\u9898 \u5bfc\u81f4\u670d\u52a1\u5668\u5b58\u5728\u7279\u5b9agadgets\u7684\u60c5\u51b5\u4e0b\u53ef\u7528\u4f5cRCE\uff08\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\uff09\uff0c\u8fd9\u91cc\u5728dubbo provider\u4e0a\u7528 JDK8U20 \u5e76\u6dfb\u52a0 commons-collections4 4.0 \u590d\u73b0\u3002 \u514b\u9686 https:\/\/github.com\/apache\/dubbo-samples \u5230\u672c\u5730\u3002 \u5728eclipse\u4e2d\u5bfc\u5165\u4e00\u4e2amaven\u9879\u76ee\uff0c\u9009\u62e9 dubbo-samples\/java\/dubbo-samples-http\/ \u9879\u76ee\u3002 \u4fee\u6539pom.xml\u4e2ddubbo\u4e3a\u53d7\u5f71\u54cd\u7684\u7248\u672c\uff082.7.3\uff09\uff1a 1 \u5047\u8bbe\u5b58\u5728gadgets\uff0c\u53ef\u4ee5\u5229\u7528\u3002 2 \u4fee\u6539\u9879\u76eeJDK\u5230JDK8U20 \u5728pom.xml\u4e2d\u5f15\u5165commons-collections4\uff0c\u5728pom.xml\u4e2d\u7684\u6807\u7b7e\u4e2d\u6dfb\u52a0\uff1a \u5728 org.apache.dubbo.samples.http.HttpProvider\u4e2d\u5f15\u5165commons-collections4\uff1a 3 \u4e0b\u8f7dzookeeper\uff0c\u914d\u7f6ezookeeper\uff0c\u542f\u52a8zookeeper\u3002 4 \u5148\u8fd0\u884c HttpProvider \uff0c\u6293\u5305\uff0c\u518d\u8fd0\u884c HttpConsumer\u3002\u5373\u53ef\u5f97\u5230dubbo\u4f7f\u7528http\u534f\u8bae\u7684\u62a5\u6587\u3002 5 \u4f7f\u7528ysoserial\u751f\u6210payload,\u7c98\u8d34\u5230burp\u7684 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"_links":{"self":[{"href":"https:\/\/blog.73007300.xyz\/index.php?rest_route=\/wp\/v2\/posts\/193"}],"collection":[{"href":"https:\/\/blog.73007300.xyz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.73007300.xyz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.73007300.xyz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.73007300.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=193"}],"version-history":[{"count":2,"href":"https:\/\/blog.73007300.xyz\/index.php?rest_route=\/wp\/v2\/posts\/193\/revisions"}],"predecessor-version":[{"id":199,"href":"https:\/\/blog.73007300.xyz\/index.php?rest_route=\/wp\/v2\/posts\/193\/revisions\/199"}],"wp:attachment":[{"href":"https:\/\/blog.73007300.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=193"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.73007300.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=193"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.73007300.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=193"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}